Alaska Geobotany Center Library

Conference Proceedings

  1. 2017

    1. Epstein, H., Walker, D., Sibik, J., Chasnikova, S., Frost, G., Leibman, M., Matyshak, G. & Raynolds, M. 2017. Vegetation community and ecosystem properties along the Eurasian Arctic Transect (EAT). Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 065, p. 139) (Presentation)
    2. Goncharova, O., Matyshak, G. & Bobrik, A. 2017. Climate and soil temperature variation in the forest-tundra transition near Nadym, West Siberia, Russia. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 067, p. 139) (Presentation)
    3. Kumpula, T., Macias-Fauria, M., Skarin, A., Verdonen, M., Korpelainen, P. and Forbes, B. 2017. Drivers of landcover changes in tundra reindeer pastures of Yamal, west Siberia. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 152, p. 168) (Presentation)
    4. Kumpula, T., Verdonen, M., Korpelainen, P. & Forbes, B. 2017. Cryogenic landslide activity in early 1970s and late 1980s in central Yamal, Russia, observed from satellite image time series. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 068, p. 140) (Presentation)
    5. Kuznetsova, E. 2017. Effect of climate change and resource scarcity on road and railways infrastructure: Norwegian case study. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 116, p. 168) (Presentation)
    6. Leibman, M.O., Khomutov, A.V., Mullanurov, D., Orekhov, P., Ponomareva, O. & Gravis, A. 2017. ArcGIS interactive map for EAT database. NASA Yamal Synthesis project meeting, Prague, CZ, April 6, 2017. (Presentation)
    7. Matyshak, G., Walker, D.A., Epstein, H.E., Leibman, M.O., Moskalenko, N.G. & Orekhov, P.T. 2017. Characteristics of cryogenic soils along the latitudinal transect in the northwestern Siberia, Russia. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 066, p. 141) (Presentation)
    8. Orekhov, P., Slagoda, E. & Popov, K. 2017. Factors of spatial differentiation of cryogenic geosystems of the Bely Island arctic tundras. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 069, p. 141) (Presentation)
    9. Walker, D.A., Breen, A.L., Druckenmiller, L.A., Sibi­k, J., Hennekens, S., Daniels, F.J.A., Matveyeva, N.V., MacKenzie, W.H., Walker, M.D. & Wirth, L.M. 2017. An Arctic Vegetation Archive for circumpolar arctic vegetation classification. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract P 150, p. 137) (Poster)
    10. Walker, D.A., Kanevskiy, M., Shur, Y., Raynolds, M., Buchhorn, M. and Matyshak, G. 2017. Rapid transitions caused by infrastructure and climate, Prudhoe Bay oilfield, Alaska, USA. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 115, p. 171) (Presentation)
    11. Walker, D.A., Sibik, J., Chasnikova, S., Epstein, H.E., Ermokhina, K., Frost, G.V., Kaarlejarvi, E., Khitun, O., Khumotov, A., Kuss, P., Leibman, M.O., Matyshak, G., Moskalenko, N., Orekhov, P. & Raynolds, M.K. 2017. Vegetation of the European Arctic Transect (EAT), Yamal Peninsula and Franz Jozef Land, Russia. Presented at Arctic Science Summit Week. Prague, CZ 31 March-7 April. (Abstract O 064, p. 142) (Presentation)
  1. 2016

    1. Buchhorn, M., Prakash, A., Hampton, D. L., Cristóbal-Rosselló, J., Waigl, C. F., Stuefer, M. et al. 2016. HyLab: Alaska's in-state capability for airborne imaging spectroscopy - applications for permafrost. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 349. doi:10.2312/GFZ.LIS.2016.001 (Abstract, p. 349)
    2. Buchhorn, M., Raynolds, M.K., Walker, D.A., M. Willis, M., Wirth, L.M., Kanevskiy, M., Matyshak, G., Shur, Y., and Peirce, J. 2016. Effects of 45 years of heavy road traffic and climate change on the thermal regime of permafrost and tundra at Prudhoe Bay, Alaska. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 1203-1205. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 1203-1205) (Poster)
    3. Dvornikov, Y. and Khomutov, A. 2016. The impact of permafrost thaw and climatic fluctuations on the geochemistry of thermokarst lakes of Yamal peninsula. EGU General Assembly 2016. Vienna, Austria, April 17-22. (Geophysical Research Abstracts EGU2016-851) (Presentation)
    4. Epstein H.E. 2016. Patterns and dynamics of arctic tundra plant diversity and relations to ecosystem processes. Presented at URPP Global Change and Biodiversity Conference, Monte Veritá; Ascona, Switzerland, Aug 28-Sept 1. (Presentation)
    5. Epstein, H.E., Walker, D.A., Frost, G.V., Raynolds, M.K., and Bhatt U.S. 2016. Vegetation Biomass, NDVI, and LAI along the Eurasian Arctic Transect. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 900-901. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 900-901) (Presentation)
    6. Ermokhina, K.S., Kizyakov, A., Leibman, M. and Khomutov, A. 2016. GIS of the gas-emission crater area (Yamal peninsula, Russia). In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 986-987. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 986-987 ) (Poster)
    7. Frost, G. V., Christopherson, T. C., Liljedahl, A. K., Macander, M. J., Walker, D. A. and Wells, A. F. 2016. Regional patterns and asynchronous onset of ice-wedge degradation in Arctic Alaska. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 32. doi:10.2312/GFZ.LIS.2016.002 (Abstract, p. 32)
    8. Frost, G., Epstein, H., Walker, D. and Matyshak, G. 2016. Changes to Active-Layer Temperature after Tall Shrub Expansion in Arctic Tundra. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 410-411. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 410-411) (Poster)
    9. Heim, B., Bartsch, A., Beamish, A., Stettner, S., Buchhorn, M., Duguay, C., Hoegstroem, E., Widhalm, B., Elger, K., and Walker, D.A. 2016. User and Expert-supported Validation and Evaluation Experiments for highlatitudepermafrost landscapes: ESA DUE PERMAFROST (2009-2012) andongoing EnMAP, PAGE21, and HGF-EDA programs. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 904. doi:10.2312/GFZ.LIS.2016.003 (Abstract, p. 904)
    10. Kanevskiy, M., Shur, Y., Walker, D.A., Buchhorn, M., Jorgensen, M.T., Matyshak, M., Raynolds, M.K., Peirce, J.L. and Wirth, L.M. 2016. Evaluation of Risk of Ice-Wedge Degradation, Prudhoe Bay Oilfield, Alaska. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 999-1001. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 999-1001) (Poster)
    11. Khomutov, A., Dvornikov, Y., Leibman, M., Gubarkov, A. and Mullanurov, D. 2016. The rates of thermocirquedevelopment and driving factors of their activation on Central Yamal, Russia. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 910-911. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 910-911) (Poster)
    12. Khomutov, A., Leibman, M. Dvornikov, Y. and Khitun, O. 2016. Study of off-road vehicle trails impact on tundra landscapes by field and remote-sensing methods, Central Yamal, Russia. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 912-913. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 912-913) (Poster)
    13. Kumpula, T. and Forbes, B.C. 2016. Changing pasture land, rapid land cover changes and their impacts on Nenets reindeer herding on the Yamal Peninsula, Russia. Presented at International Arctic Science Committee ICARP III Working Group meeting on Infrastructure in the Arctic (and elsewhere) as a Social and Ecological Challenge. Vienna, Austria, January 15-16. (Presentation)
    14. Liljedahl, A.K., Boike, J., Daanen, R. P., Fedorov, A. N., Frost, G. V., Grosse, G., Hinzman, L., Iijima, Y., Jorgenson, J.C., Matveyeva, N., Necsoiu, M., Raynolds, M.K., Romanovsky, V., Schulla, J., Tape, K.D., Walker, D.A., Wilson, C.J., and Yabuki, H. 2016. Recent circum-Arctic ice-wedge degradation and its hydrological impacts. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 917. doi:10.2312/GFZ.LIS.2016.004 (Abstract, p. 917)
    15. Matyshak, G., Goncharova, O., Boric, A., Sukhova, D., Petrzhik, N. and Kireev, R. 2016. Heat line in permafrost - a large experiment of transformation of the Arctic ecosystems. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 177-178. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 177-178) (Presentation)
    16. Shur, Y., Kanevskiy, M., Walker, D.A., Jorgensen, T., Buchhorn, M., Raynolds, M.K. and Toniolo, H. 2016. Permafrost-Related Causes and Consequences of the Sagavanirktok River Delta Flooding in Spring 2015. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 1014-1016. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 1014-1016) (Presentation)
    17. Timling, I. 2016. Microcosm. Presented at Ice Alaska 2016. Fairbanks, AK, February 29-March 27. (Poster)
    18. Walker, D.A. 2016. NASA ABoVE All-scientists Presentation: A hierarchic framework for studying Arctic vegetation. Presented at NASA ABoVE All-scientists Meeting, Anchorage, AK, January 19-22. (Presentation)
    19. Walker, D.A., Epstein, H.E. Leibman, M., Khomutov, A., Moskolenko, N., Orekhov, P., Matyshak, G., Frost, G.V., Khitun, O., Chasnikova, S., Sibik, J., Kaarlejarvi, E. and Kuss, J.P. 2016. Eurasia Arctic Transect: Vegetation-environment-permafrost relationships. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 933-934. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 933-934) (Poster)
    20. Walker, D.A., Epstein, H.E., Raynolds, M.K., Buchhorn, M., Kumpula, T., Forbes, B.C., Leibman, M.O., Khomutov, A., Matyshak, G.V., Curry, T., Kofinas, G., Romanovsky, V., Shur, Y. and Kanevskiy, M.Z. 2016. Yamal LCLUC Synthesis. Presented at Science Team Meeting, Bethesda, MD, April 18-19. (Presentation)
    21. Walker, D.A., Epstein, H.E., Raynolds, M.K., Buchhorn, M., Kumpula, T., Forbes, B.C., Leibman, M.O., Khomutov, A., Matyshak, G.V., Curry, T., Kofinas, G., Romanovsky, V., Shur, Y. and Kanevskiy, M.Z. 2016. Yamal LCLUC Synthesis: Comparison of infrastructure development and consequences to social-ecological systems in the Bovanenkovo Gas Field, Russia and the Prudhoe Bay Oilfield, Alaska. Presented at Science Team Meeting, Bethesda, MD, April 18-19. (Poster)
    22. Walker, D.A., Kanevskiy, M., Shur, Y., Raynolds, M.K. and Buchhorn, M. 2016. Effects of infrastructure, climate change, and icewedge degradation, Prudhoe Bay oilfield, Alaska. Presented at AGU Fall Meeting, San Francisco, CA, December 12-16. (Abstract) (Presentation)
    23. Walker, D.A., Peirce, J.L., Kumpula, T., Liebman, M.O., Matyshak, G., Streletskiy, D., Raynolds, M.K., Shur, Y.S., Kanevskiy, M., Buchhorn, M., Kofinas, G., Ambrosius, K., Epstein, H.E., Romanovsky, V., Forbes, B.C., Khumotov, A., Khitun, O., Shiklomnanov, N., Grebenets, V., Lemay, M., Allard, M., Vincent, W., Lamoureux, S., Bell, T., Forbes, D., Fondahl, G., Kuznetsova, E., Roy, L-P, Petrov, A. and Schweitzer, P. 2016. Rapid Arctic Transitions due to Infrastructure and Climate (RATIC): An ICARP III initiative focusing on the cumulative effects of Arctic infrastructure and climate change. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 1234-1236. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 1234-1236) (Poster)
  1. 2015

    1. Bhatt, U.S., Walker, D.A., Bieniek, P., Epstein, H., Comiso, J., Pinzon, J. and Tucker, C.J. 2015. Climate variations and Alaska tundra vegetation productivity declines in spring. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC11F-1083) (Poster)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H. E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2015. Changing seasonality of tundra vegetation in relationship to climatic variables. IARC Summer School 2015. Fairbanks, AK, May 2015. (Presentation)
    3. Buchhorn, M., Raynolds, M.K., Walker, D.A., Kanevskiy, M., Matyshak, G., Shur, Y., Wirth, L.M. and Peirce, J. 2015. Effects of 45 Years of Heavy Road Traffic and Infrastructure on Permafrost and Tundra at Prudhoe Bay, Alaska. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23J-1215) (Poster)
    4. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A. and Reichle, L.M. 2015. Circumpolar dynamics of Arctic tundra vegetation in relation to temperature trends. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC13K-04) (Presentation)
    5. Forbes, B.C., Kumpula, T., Meschtyb, N., Laptander, R., Macias-Fauria, M., Zetterberg, P. and Verdonen, M. 2015. Sea Ice, Hydrocarbon Extraction, Rain-on-Snow and Tundra Reindeer Nomadism in Arctic Russia. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23D-1176) (Poster)
    6. Frost, G.V., Christpherson, T., Liljedahl, A., Macander, M.J., Walker, D.A. and Wells, A.F. 2015. Regional Patterns of Ice-Wedge Degradation Across Northern Alaska: What Does Asynchronous Timing of Onset Tell Us Regarding Triggering Mechanisms, Thresholds, and Impacts?. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract C21C-0750) (Poster)
    7. Kokaly, R.F., Graham, G.E., Hoefen, T.M., Kelly, K.D., Buchhorn, M., Johnson, M.R., Hubbard, B.E., Goldfarb, R.J. and Prakash, A. 2015. Characterizing Geology and Mineralization at High Latitudes in Alaska Using Airborne and Field-Based Imaging Spectrometer Data (CANCELLED). Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23K-1231)
    8. Liljedahl, A., Daanen, R., Fedorov, A., Grosse, G., Hinzman, L., Iijima, Y., Jorgenson, J., Matveyeva, N., Necsoiu, M., Raynolds, M.K., Romanovsky, V., Schulla, J., Tape, K., Walker, D.A., Wilson, C. and Yabuki, H. 2015. Ice wedge degradation: Why Arctic lowlands are becoming wetter and drier. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract C21C-0749) (Poster)
    9. Prakash, A., Buchhorn, M., Cristóbal, J., Kokaly, R., Graham, P., Waigl, C., Hampton, D., Werdon, M., Guldager, N. and Bertram, M. 2015. Field-Based and Airborne Hyperspectral Imaging for Applied Research in the State of Alaska. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23K-1233) (Poster)
    10. Romanovsky, V., Cable, W., Kholodov, A., Nicolsky, D., Marchenko, S., Panda, S. and Muskett, R. 2015. Detecting and Forecasting Permafrost Degradation in a Warming Climate. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract B31D-0576) (Poster)
    11. Romanovsky, V., Nicolsky, D., Marchenko, S., Cable, W. and Panda, S. 2015. Merging Field Measurements and High Resolution Modeling to Predict Possible Societal Impacts of Permafrost Degradation. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract B42C-04) (Presentation)
    12. Rousseau, D-D. (convenor) 2015. AGU-EGU Great Debate on "Sustainable Development of the Arctic". Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract U21A) (Presentation)
    13. Walker, D.A., Bhatt, U.S., Breen, A.L., Buchhorn, M., Druckenmiller, L.A., Kade, A., Murray, D.F., Peirce, J.L., Raynolds, M.K., Wirth, L.M., Daniëls, F.J.A., Bültmann, H., Alsos, I., Ehrich, D., Ims, R.A., Edwards, M.E., Epstein, H.E., Gould, W.A., Meltofte, H., Talbot, S.S., Šibík, J., Hennekens, S., Walker, M.D., Cooper, D.J., Ebersole, J.J., Elmendorf, S.C., Hollister, B.D., Webber, P.J., Iversen, C., Sloan, V., Jorgenson, M.T., Lee, M.T., Peet, R.K., MacKenzie, M.H., Schickhoff, U., Tweedie, C.E. and Villarreal, Sl 2015. A hierarchic approach to examining panArctic vegetation with a focus on the linkages between remote sensing and plot-based studies. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract B53C-0577) (Poster)
    14. Walker, D.A., Epstein, H.E., Forbes, B.C., Kofinas, G., Kumpula, T., Leibman, M.O., Romanovsky, V.E., Shur, Y., Ambrosius, K., Bhatt, U.S., Currie, T., Buchhorn, M., Kanevskiy, M.Z., Khomutov, A., Matyshak, G., Raynolds, M.K. 2015. Oral presentation at the 3rd International Conference on Arctic Research Planning (ICARP III). Presented at Yohama, Japan, April 23-30.
    15. Walker, D.A., Peirce, J.L., Kumpula, T., Liebman, M.O., Matyshak, G., Streletskiy, D., Raynolds, M.K., Shur, Y.S., Kanevskiy, M., Buchhorn, M., Kofinas, G., Ambrosius, K., Epstein, H.E., Romanovsky, V., Forbes, B.C., Khumotov, A., Khitun, O., Shiklomnanov, N., Grebenets, V., Lemay, M., Allard, M., Vincent, W., Lamoureux, S., Bell, T., Forbes, D., Fondahl, G., Kuznetsova, E., Roy, L-P, Petrov, A. and Schweitzer, P. 2015. Rapid Arctic Changes due to Infrastructure and Climate (RATIC) in the Russian North. Presented at AGU Fall Meeting, San Francisco, CA, December 14-18. (Abstract GC31B-1183) (Poster)
    16. Yu, Q., Shiklomanov N.I., Streletskiy, D.A., Engstrom R. and Epstein H.E. 2015. Detecting anthropogenic and climate change induced land cover and land use change in the vicinity of an oil/gas facility in northwestern Siberia, Russia. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC33F-04) (Presentation)
  1. 2014

    1. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2014. Inter- and intra-annual variability of NDVI and correlations to large-scale circulation patterns, sea ice, snow and cloud cover. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2014. Changing Seasonality of Tundra Vegetation and Associated Climatic Variables. Presented at AGU Fall Meeting. San Francisco, December 15 - 19. (Abstract) (Poster)
    3. Bobrik, A., Goncharova O., Matyshak G., et al. 2014. Spatial and temporal variability of CO2 efflux of frozen peatland soils at fine scale: the relationship with permafrost conditions and the composition of soil organic matter (Russia, calm site r1). Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 334) (Poster)
    4. Buchhorn, M., Kanevskiy, M., Matyshak, G., et al. 2014. Effects of 45 years of heavy road traffic on permafrost and tundra along the Spine Road at Prudhoe Bay, Alaska. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 339) (Poster)
    5. Dvornikov, Y., Bartsch A., Khomutov, A. et al. 2014. Process of Organic transport in Lakes of the Yamal Region (POLYAR). Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 330) (Poster)
    6. Epstein H.E. 2014. Biomass, NDVI, and LAI Data and Relationships Across Spatial Scales in Arctic Tundra. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Presentation)
    7. Epstein, H.E., Bhatt, U.S., Raynolds, M.K, Walker, D.A. and Reichle, L.M. 2014. Recent temporal dynamics of arctic tundra vegetation within the context of spatial biomass-temperature relationships. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Presentation)
    8. Epstein, H.E., Frost, G.V., Matyshak, G.V., Walker, D.A. and Meakem, V.M. 2014. The influences of land surface properties on soil thermal regimes in the Low Arctic of northwestern Siberia. Presented at AGU Fall Meeting. San Francisco, December 15 - 19. (Abstract) (Presentation)
    9. Ermokhina, K. 2014. Overview of the West Siberian component of the Arctic Vegetation Archive. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract 332) (Poster)
    10. Frost, G.V., Macander, M.J., Liljedahl, A., et al. 2014. Regional patterns of ice-wedge degradation since the mid-20th century across northern Alaska. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 331) (Poster)
    11. Kanevskiy, M., Shur, Y., Matyshak, G., et al. 2014. Degradation and recovery of ice wedges in relation to road infrastructure in the Prudhoe Bay Oilfield, AK. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 337) (Poster)
    12. Khitun, O., Koroleva, T., Chinenko, S., Petrovsky, V., Zverev, A., Pospelova, E. and Pospelova, I. 2014. Biodiversity research based on local flora approach in Russian Arctic. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Presentation)
    13. Khomutov, A., Leibman, M., Gubarkov, A., Dvornikov, Y., Khitun, O. and Mullanrov, D. 2014. Landslide and permafrost regimes near the Bovanenkovo gas field, Central Yamal, Russia. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Presentation)
    14. Leibman, M.O., Khitun, O.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P.T., Ponomareva, O.E., Mullanurov, D.R., Gubarkov, A.A., Ermokhina, K.A. 2014. Synthesis of permafrost research along the Eurasia arctic transect. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 332) (Poster)
    15. Leibman, M.O., Kizyakov, A.I., Plehanov, A.V., Streletskaya, I.D. and Melnikov, V.P. 2014. Deep crater in Central Yamal, West Siberia, Russia as a new permafrost feature in response to local climate fluctuations. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Presentation)
    16. Raynolds, M.K., Walker, D.A., Buchhorn, M., Wirth, L.M. 2014. Vegetation changes related to 45 years of heavy road traffic along the Spine Road at Prudhoe Bay, Alaska. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 333) (Poster)
    17. Raynolds, M.K., Walker, D.A., Epstein, H.E. and Buchhorn, M. 2014. Biomass and NDVI circumpolar relationship. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Presentation)
    18. Romanovsky, V.E., Cable, W.G., Kholodov, S.S., at al. 2014. Changes in permafrost and active-layer thickness due to climate in the Prudhoe Bay region and North Slope, AK. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 336) (Poster)
    19. Verpaelst, M., Fortier, D., Paquette, M. 2014. Mass Movement by Solifluction and Syngenetic Dynamic of Permafrost in the High Arctic, Ward Hunt Island, Canadian High Arctic. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 329) (Poster)
    20. Walker, D.A, Bhatt, U.S., Muchhorn, M., Comiso, J., Epstein, H.E., Ermokhina, K., Forbes, B., Frost, G., Heim, B., Kofinas, G., Khumotov, A., Kumpula, T., Leiman, M., Matyshak, G., Pinzon, J., Raynolds, M.K., Romanovsky, V., Tucker, C., Wirth, L. and Yu, Q. 2014. SYN-YAMAL: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia, and relevance to the circumpolar Arctic. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Presentation)
    21. Walker, D.A. 2014. Arctic Vegetation Sampling: Vegetation sampling, Biomass, NDVI, LAI, Zonal concept, Arctic Vegetation Archive. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Presentation)
    22. Walker, D.A. (ed.). 2014. CAFF Proceedings Report 11. Alaska Arctic Vegetation Archive (AVA) Workshop, Boulder, Colorado, USA, October 14-16, 2013, Akureyri, Iceland. (Website) (Proceedings)
    23. Walker, D.A., Raynolds, M.K., Kumpula, T., Shur, Y., Kanevskiy, M.Z., Leibman, M.O., Khomutov, A., Ambrosius, K., Buchhorn, M., Epstein, H.E., Forbes, B.C., Kofinas, G., Maytshak, G.V., Romanovsky, V. and Wirth, L. 2014. Rapid Arctic Transitions in Relation to Infrastructure and Climate Change: Comparison of the Permafrost and Geoecological Conditions in the Bovanenkovo Gas Field, Russia and the Prudhoe Bay Oil Field, Alaska. Presented at AGU Fall Meeting. San Francisco, December 15 - 19. (Abstract) (Poster)
  1. 2013

    1. Bhatt, U.S., Walker, D.A. Bieniek, P.A. Raynolds, M.K. Epstein, H.E. Comiso, J.C. Pinzon, J. Tucker, C.J. 2013. Links between Pan-Arctic Tundra Vegetation Change and Climate. Presented at Seminar at Geophysical Institute, University of Bergen. Bergen, Norway February 20. (Presentation)
    2. Bhatt, U.S., Walker, D.A., Bieniek, P.A., Raynolds, M.K., Epstein, H.E., Comiso, J.C., Pinzon, J., Tucker, C.J. 2013. Pan-Arctic Tundra Vegetation Change and it's Links to Climate. Presented at Dpto. Biologia Vegetal II, Univ. Complutense. Madrid, Spain February 6. (Presentation)
    3. Breen, A., Raynolds, M.K., Hennekens, S.M., Walker, D.A. 2013. Toward an Arctic Alaska Prototype for the Arctic Vegetation Archive. Presented at Arctic Vegetation Archive. Krakow, Poland . (Presentation)
    4. Bültmann, H., Daniëls, F.J.A. 2013. Greenland Data stored in Münster. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    5. Cherosov, M.M., Matveyeva, N.V., Troeva, E.I., Gogoleva, P.A., Telyatnikov, M.Y., Pestryakova, L.A. 2013. How to use the initiatives of the Russian Government in the field of science for vegetation biodiversity study in the Russian Arctic (propositions of Russian partners). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    6. Daniëls, F.J.A. 2013. Some reflections on the realization of an international pan-Arctic vegetation classification. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    7. Ermokhina, K. 2013. Yamal and Gydan vegetation datasets. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    8. Fosaa, A.M., Daniëls, F.J.A., Heiðmarsson, S., Jónsdóttir, I.S., Talbot, S.S. 2013. Boreal Tundra Vegetation of the North Atlantic and North Pacific Regions. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    9. Fosaa, A.M., Nilsen, L., Jónsdóttir, I.S. 2013. Scandinavian possibilities. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    10. Ickert-Bond, S. 2013. CAFF Flora Group Meeting Summary. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    11. Jiménez-Alfaro, B., Apostolova, I., ?arni, A., Chrytrý, M., Csiky, J., Dengler, J., Dimopoulos, P., Font, X., Golub, V., Hennekens, S.M., Jandt, U., Jansen, F., K?cki, Z., Kevey, B., Krstonosi?, D., Landucci, F., Lysenko, T., Martynenko, V., Mucina, L., Rodwell, J.S., Schaminée, J., Šibík, J., Šilc, U., Sorokin, A., Stan?i?, Z., Willner, W., Yamalov, S. 2013. Towards a European vegetation database and a parameterized overview of European vegetation. Presented at Arctic Vegetation Archive. Krakow, Poland . (Presentation)
    12. Khitun, O.V., Koroleva, T.M., Chinenko, S.V., Petrovsky, V.V., Zverev, A.A., Pospelova, E., Pospelov, I. 2013. Application of Russian Arctic local flora database concept to the issues of biodiversity conservation. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    13. Koroleva, N. 2013. The tundra zone of Kola Peninsula on the syntaxonomical 'conjunction' in the European Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    14. Kulyugina, E.E. 2013. Vegetation of the Vasyaha River Basin (Yugorsky Peninsula, Ridge Pay-Khoy) - Case study of vegetation diversity in the European sector of the Russian Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    15. Lashchinskiy, N. 2013. Spatial vegetation structure of southern tundra from three sectors of Siberian Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    16. Lee, M.T. 2013. VegBank: A permanent, open-access archive for vegetation plot data. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    17. Lárussen, K., Barry, T., Gill, M. 2013. Thoughts from CAFF regarding the AVA in relationship to the future of Arctic biodiversity monitoring. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    18. Lévesque, E., Boulanger-Lapointe, N., Henry, G.H.R., Mackenzie, W. 2013. Vegetation data available for classification of Canadian Arctic sites. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    19. MacKenzie, W. 2013. A data compilation of Canadian Arctic vegetation releve data and preliminary classification. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    20. Matveyeva, N.V., Cherosov, M.M., Telyatnikov, M.Y. 2013. The Russian Input to the Arctic Vegetation Archive. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    21. McLennan, D. 2013. CHARS and CNVC Support and Operationalization. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    22. Novakovskiy, A. 2013. Approaches to storing and analyzing geobotanical data. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    23. Pellisier, L., Stewart, L. 2013. The AVA as a source for understanding spatial distribution of Arctic biodiversity. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    24. Raynolds, M.K., Breen, A.L., Hennekens, S.M., Walker, D.A., Elven, R., Belland, R., Konstantinova, N.A., Kristinsson, H. 2013. The Pan-Arctic Species List (PASL). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    25. Razzhivin, V.Y. 2013. Vegetation Datasets for Chukotka. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    26. Schaepman-Strub, G., Iturrate, M., Furrer, R. 2013. Towards assessing biodiversity feedbacks to climate in the Arctic … and potential future applications of the AVA. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    27. Telyatnikov, M.Y., Troeva, E.I., Cherosov, M.M., Pristyazhnyuk, S.A., Gogoleva, P.A., Pestryakova, L.A. 2013. Plant communities of southern hypoarctic tundra of the Anabar River basin (North-West Yakutia). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    28. Thannheiser, D. 2013. Phytosociology of Spitsbergen. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    29. Thannheiser, D. 2013. Phytosociology of Western Canadian Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    30. Walker, D.A. 2013. International Arctic Vegetation Database. Presented at IASC Terrestrial Working Group Meeting. Krakow, Poland 13 April. (Presentation)
    31. Walker, D.A. 2013. Concluding Day. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    32. Walker, D.A. 2013. The Arctic Vegetation Archive Workshop, 14-16 April 2013, Kraków, Poland: Welcome and Agenda. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    33. Walker, D.A. 2013. Fred Daniëls key role through 21 years of History of the AVA. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    34. Walker, D.A. 2013. The Arctic Vegetation Archive (AVA). Presented at Arctic Science Summit Week. Krakow, Poland 13-19 April. (Presentation)
    35. Walker, D.A. 2013. Recovery and archiving of key Arctic Alaska vegetation map and plot data for long-term vegetation analyses: A proposal to NASA for data recovery for the Arctic-Boreal Vulnerability Experiment (Pre-ABoVE). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    36. Walker, D.A. 2013. Arctic Vegetation Archive: History and goals for the workshop. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
    37. Walker, D.A., Breen, A.L., Raynolds, M.K. and Walker, M.D. (eds.). 2013. CAFF Proceedings Report #10. Arctic Vegetation Archive (AVA) Workshop, Krakow, Poland, April 14-16, 2013, Akureyri, Iceland. (Website) (Proceedings)
    38. Walker, M.D. 2013. 21 years to common ground: An extremely short talk about a long time (in human years) and a short time (in earth years). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Presentation)
  1. 2012

    1. Bhatt, U.S., Walker, D.A., Bieniek, P.A., Raynolds, M.K., Epstein, H.E., Comiso, J.C., Pinzon, J., Tucker, C.J. 2012. Drivers of Recent Pan-Arctic Tundra Vegetation Variability and Change. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Presentation)
    2. Bieniek, P.A., Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Pinzon, J.C., Comton, J.T., Thoman, R.L., Tran, H., Molders, N., Ermold, W., Zhang, J., Steele, M. 2012. Alaska Coastal Tundra Vegetation's Links to Climate. Presented at AGU Fall Meeting, San Francisco, CA December 3-7. (Presentation)
    3. Epstein, H.E., Raynolds, M.K., Walker, D.A., Bhatt, U.S., Tucker, C.J., Pinzon, J.E., Frost, G.V., Yu, Q., Jia, G.J., Zeng, H. 2012. Recent dynamics of arctic tundra vegetation: Remote sensing, field observations, and modeling. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Presentation)
    4. Epstein, H.E., Yu, Q., Frost, G.V., Raynolds, M.K., Walker, D.A., Bhatt, U.S., Tucker, C.J., Pinzon, J.E. 2012. Climate and grazing influences on circumpolar dynamics of arctic tundra vegetation. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Presentation)
    5. Ermokhina, K. 2012. Phytoindication of Landslide Disturbances in the Central Yamal. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    6. Forbes, B.C. 2012. Summary of the Finnish contribution to the LCLUC project. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    7. Frost, G.V., Epstein, H.E., Matyshak, G., Ermokhina, K., Walker, D.A. 2012. Summary of Kharp field expedition, July 2011. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    8. Frost, G.V., Epstein, H.E., Walker, D.A. 2012. Widespread expansion of boreal shrublands in the Siberian Low Arctic since the 1960s. Presented at AGU Fall Meeting. San Francisco, CA December 3-7. (CC31A-0965, Wednesday Dec. 5, session GC31A) (Poster)
    9. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G. and Ermokhina, K. 2012. Linkages between Patterned Ground, Alder Shrubland Development, and Active Layer Temperature in the Northwest Siberian Low Arctic. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, Vol. 1, 119-124. (Conference Paper)
    10. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G., Ermokhina, K. 2012. Feedbacks between shrubland development and permafrost in the northwest Siberian Low Arctic. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Presentation)
    11. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G., Ermokhina, K. 2012. Feedbacks between shrubland development and permafrost in the northwest Siberian Low Arctic. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Presentation)
    12. Frost, G.V., Epstein, H.E., Walker, D.A., Yu, Q. 2012. Expansion and patch dynamics of alder shrublands in the Siberian Low Arctic: evidence from remote-sensing spanning the Space Age. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Poster)
    13. Heim, B., Bartsch, A., Buchhorn, M. 2012. I. SATELLITE-BASED PRODUCTS, EVALUATION - II. Up-Scaling, Calibration and Experiments-Yamal. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    14. Heim, B., Bartsch, A., Elger, K., Permafrost Team, E.D. 2012. Circum-Arctic Satellite-Based Service. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Presentation)
    15. Khomutov, A. 2012. Mapping of Active Layer Depths Using Correlation between Active Layer Depth and Vegetation Parameters on Central Yamal, Russia. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Poster)
    16. Khomutov, A., Leibman, M.O., Moskalenko, N., Orekhov, P., Mullanurov, D. 2012. Database of EAT permafrost information. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    17. Khomutov, A.V. 2012. Assessment of Landslide Geohazards in Typical Tundra of Central Yamal. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, Vol. 2, 157-162. (Conference Paper)
    18. Kumpula, T., Forbes, B.C., Stammler, F., Meschtyb, N. 2012. Remote sensing and gis analysis of anthropogenic and natural land use and land cover changes in tundra environments in Bovanenkovo gas field on Yamal Peninsula, Russia. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    19. Leibman, M.O., Gubarkov, A.A., Khitun, O.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P.T. 2012. Summary of the Russian contribution to the LCLUC project. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    20. Leibman, M.O., Khitun, O.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P.T. 2012. Active layer and permafrost boreholes along the Yamal transect. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    21. Leibman, M.O., Khomutov, A.V., Orekhov, P.T., Khitun, O.V., Epstein, H., Frost, G. and Walker, D.A. 2012. Gradient of Seasonal Thaw Depth along the Yamal Transect. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, Vol 2, 237-242. (Conference Paper)
    22. Macander, M.J., Raynolds, M.K., Frost, G.V., Winterstein, M.A. 2012. Assessment of snow regime patterns and vegetation greenness trends in northern Alaska using Landsat time-series data,1985–2011. Presented at AGU Fall Meeting, San Francisco, CA December 3-7. (GC21A-0941, Tuesday, December 4, session GC21A) (Poster)
    23. Matyshak, G.V. 2012. Soils investigations along the EAT. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    24. Moskalenko, N.G. 2012. Impact of Permafrost Degradation on Northern Taiga Ecosystems in Western Siberia. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, Vol. 2, 281-286. (Conference Paper)
    25. Orekhov, P., Leibman, M.O. 2012. General Environment and Climate of the EAT. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    26. Raynolds, M.K., Walker, D.A., Kofinas, G.P., Ambrosius, K.J. 2012. 60 Years of Landscape Change within an Arctic Oilfield, Prudhoe Bay, Alaska. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Poster)
    27. Raynolds, M.K., Walker, D.A., Kofinas, G.P., Ambrosius, K.J. 2012. Sixty years of landscape change within an Artic Oilfield, Prudhoe Bay, Alaska. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    28. Ukraintseva, N.G., Korobova, T.A. 2012. Summary of willow studies in the Bovanenkovo region. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    29. Walker, D.A. 2012. Summary of the IPY Greening of the Arctic Project. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK April 6. (Presentation)
    30. Walker, D.A. 2012. The idea of Greenland transects in the context of the IPY Greening of the Arctic project and Greenland biodiversity. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Presentation)
    31. Walker, D.A. 2012. Summary of the Greening of the Arctic Project. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Presentation)
    32. Walker, D.A., Epstein, H.E., Bhatt, U.S., Leibman, M.O., Forbes, B.C., Romanovsky, V.E., Kofinas, G., Kumpula, T., Raynolds, M.K., Frost, G.V., Yu, Q., Bieniek, P.A., Orekhov, P., Matyshak, G., Moskalenko, N., Ukraientseva, N., Khumotov, A., Ermokhina, K., Drozdov, D., Comiso, J.C., Pinzon, J., Tucker, C.J., Meschtyb, N., Stammler, F., Khitun, O.V. 2012. Greening of the Arctic Project (IPY-GOA, project ID 569). Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Poster)
    33. Walker, D.A., Epstein, H.E., Bhatt, U.S., Leibman, M.O., Forbes, B.C., Romanovsky, V.E., Kofinas, G., Kumpula, T., Raynolds, M.K., Frost, G.V., Yu, Q., Bieniek, P.A., Orekhov, P., Matyshak, G., Moskalenko, N., Ukraientseva, N., Khumotov, A., Ermokina, K., Comiso, J.C., Pinzon, J., Tucker, C.J., Meschtyb, N., Stammler, F. 2012. A hierarchical analysis of land-cover and land-use change in tundra environments: Remote sensing, ground-based observations of social and ecological factors, and models. Presented at 2012 NASA LCLUC Science Team meeting, Rockville, MD, April 3-5, 2012. (Poster)
    34. Walker, D.A., Matyshak, G., Frost, G.V., Zhurbenko, M., Afonina, O. 2012. High cover, biomass, and NDVI of biological soil crusts on Hayes Island, Franz Josef Land, Russia. Presented at Tenth International Conference on Permafrost, Salekhard, Russia June 25-29, 2012. (Poster)
    35. Walker, D.A., Raynolds, M.K. and Breen, A. 2012. Survey of Arctic relevé data and a Northern Alaska IAVD prototype. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Presentation)
    36. Walker, D.A., Raynolds, M.K., Breen, A., Daniëls, F.J.A., Talbot, S.S., Hennekens, S.M., Peet, R.K., Murray, D.F., Walker, M.D. 2012. An International Arctic Vegetation Database. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Presentation)
    37. Walker, D.A., Raynolds, M.K., Breen, A., Daniëls, F.J.A., Talbot, S.S., Hennekens, S.M., Peet, R.K., Murray, D.F., Walker, M.D. 2012. An International Arctic Vegetation Database. Presented at European Vegetation Survey 21st Workshop. Vienna, Austria May 24-27. (Presentation)
    38. Walker, D.A., Webber, P.J., Brown, J., Raynolds, M.K., Streever, W., Ambrosius, K. 2012. The evolution of the Integrated Geobotanical and Historical Change Mapping (IGHCM) approach for documenting landscape change (1949-2010), Prudhoe Bay oil field, AK, USA. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Presentation)
    39. Yermokhina, K.A. and Myalo, E.G. 2012. Phytoindicators of Landslide Disturbances in the Central Yamal. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, Vol. 2, 531-536. (Conference Paper)
    40. Yu, Q., Epstein, H.E., Walker, D.A., Forbes, B.C. 2012. Dynamics of Circum-Arctic Tundra Plant Communities in Response to Climate Warming and Grazing Pressure. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Presentation)
  1. 2011

    1. Bhatt, U.S., Walker, D.A., Raynlds, M.K, Bieniek, P., Comiso, J.C., Pinzon, J.E., and Tucker, C.J. 2011. The role of seasonality and large-scale climate drivers in recent Pan-Arctic tundra vegetation variability and change. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC51F-1075, Friday, Dec. 9, session GC51F) (Poster)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2011. Understanding Recent Arctic Tundra Vegetation Changes. Presented at World Climate Research Programme Open Science Conference. Denver, CO October 24. (Poster)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2011. Seasonal changes of the ice-ocean-atmosphere-terrestrial system on the Yamal. Presented at LCLUC Science Team Meeting. Adelphi, MD March 28-30. (Poster)
    4. Bieniek, P.A., Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2011. Impacts of Changing Seasonality on Arctic Systems and an Arctic in Rapid Transition II. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC32A-04, Wednesday, Dec. 7, session GC32A) (Presentation)
    5. Epstein, H.E., Yu, Q., Frost, G.V., Raynolds, M.K., Walker, D.A., Forbes, B.C. 2011. Effects of climate, grazing, and gas development on tundra ecosystems of the Yamal Peninsula, northwestern Siberia. Presented at LCLUC Science Team Meeting. Adelphi, MD . (Poster)
    6. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G., Ermokhina, K. 2011. Tall shrub expansion facilitated by patterned ground in the northwest Siberian Low Arctic. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC51F-1058, Friday, Dec. 9, session GC51F) (Poster)
    7. Khitun, O.V., Ermokhina, K.A., Leibman, M.O., Khomutov, A.V. 2011. Plant species indicating the depth of active layer on the Bely Island. Fourth Russian Conference on Geocryology. Moscow, Russia, June 7-9. (Presentation)
    8. Raynolds, M.K. 2011. Searching for the response of northern vegetation to climate change. Presented at Iceland Institute of Natural History. Akureyri, Iceland 6 April. (Presentation)
    9. Raynolds, M.K. 2011. Searching for the response of northern vegetation to climate change. Presented at University of Akureyri. Akureyri, Iceland 28 April. (Presentation)
    10. Stevens, D.S.P., Jorgensen, M.T., Walker, D.A., Brown, J. 2011. Permafrost Information Enhanced by New Guide Books from the Ninth International Conference on Permafrost. Presented at 2011 Association of American Geographers Annual Meeting. Seattle, WA April 12-16. (Poster)
    11. Talbot, S.S., Baldwin, K.A., Jorgensen, M.T., MacKenzie, W., Meades, W.J., Meidinger, D., Robitaille, A., Saucier, J.P., Selkowitz, D., Walker, D.A. 2011. Progress toward a circumboreal vegetation map (CBVM) emphasizing boreal North America. Presented at European Vegetation Survey 20th Workshop. Rome, Italy April 6-9.
    12. Walker, D.A. 2011. Biocomplexity of small patterned-ground features. Presented at Arctic Ecology Course. Masaryk University, Brno, Czech Republic March 8. (PPT) (PDF)
    13. Walker, D.A. 2011. Arctic vegetation along two long bioclimatic transects in North America and Russia. Presented at Fulbright Lecture, Botany Dept., Masarysk University. Brno, Czech Republic March 10. (Presentation)
    14. Walker, D.A. 2011. Greening of the Arctic: Climate change and circumpolar Arctic vegetation. Presented at Fulbright Lecture, Cesko Budovice University. Cesko Budovice, Czech Republic April 27. (Presentation)
    15. Walker, D.A. 2011. Socio-ecological effects of oil and gas development in the Arctic: Comparison of the Prudhoe Bay, Alaska and Bovanenkova, Russia regions. Presented at Earth Day, 20th Celebration of the Czech Fulbright Commission. American Center, Prague, Czech Republic April 21. (Presentation)
    16. Walker, D.A. 2011. Welcome to IASC. Presented at Understanding Biodiversity Changes and Causes - Synergies in Arctic Terrestrial Biodiversity Research and Monitoring. Sonnerupgaard Gods, Hvalsø, Denmark 12 October. (Presentation)
    17. Walker, D.A. 2011. Multi-scale monitoring of Arctic vegetation. Presented at Terrestrial Expert Monitoring Group Inaugural Workshop. Sonnerupgaard Gods, Hvalsø, Denmark 10-14 October. (Presentation)
    18. Walker, D.A., Bhatt, U.S., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Frost, G.V., Leibman, M.O., Forbes, B.C., Comiso, J.C., Tucker, C.J., Pinzon, J. 2011. Satellite and land-based observations of environment, vegetation and NDVI along two Arctic Transects: Partial results from the IPY Greening of the Arctic Project. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC51F-1072, Friday, Dec. 9, session GC51F) (Poster)
    19. Walker, D.A., Bienek, P., Bhatt, U.S., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Tucker, C.J., Pinzon, J., Liebman, M.O., Forbes, B.C., Kumpula, T. 2011. The Arctic Tundra is a maritime biome. Presented at High latitude trace gas exchanges: the role of ocean-land interactions. Nuuk, Greenland September 19-22. (Presentation)
    20. Walker, D.A., Kuss, H.P., Kopecky, M., Frost, G.V., Daniëls, F.J.A., Kade, A.N., Vonlanthen, C.M., Raynolds, M.K., Epstein, H.E. 2011. The North American and Eurasia Arctic transects: Using phytosociology and remote sensing to detect vegetation pattern and change. Presented at European Vegetation Survey 20th Workshop. Rome, Italy April 6-9. (Presentation)
    21. Walker, D.A., Raynolds, M.K., Epstein, H.E., Bhatt, U.S., Frost, G.V., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2011. Greening of the Arctic: Spatial variation of biomass and NDVI along two Arctic transects and the Circumpolar Arctic. Presented at LCLUC Science Team Meeting. Adelphi, MD March 28-30. (Poster)
    22. Yu, Q., Epstein, H., Walker, D.A., and Forbes, B.C. 2011. Modeling dynamics of circum-arctic tundra plant communities in response to climate warming and grazing pressure. AGU Fall Meeting. San Francisco, cA, December 5-9. (GC41C-0831, Friday, Dec. 9, session GC51F) (Poster)
    23. Yu, Q., Epstein, H.E., Walker, D.A. 2011. Modeling dynamics of tundra plant communities on the Yamal Peninsula. Presented at LCLUC Science Team Meeting. Adelphi, MD March 28-30. (Poster)
  1. 2010

    1. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Polyakov, I.V., Liu, Y., Gens, R., Tweedie, C.E., Webber, P.J., Steele, M., Jia, G.J. 2010. Understanding drivers of recent Arctic tundra vegetation changes. AGU Fall Meeting. San Francisco, CA, 13-17 December. (Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R., Pinzon, J., Tucker, C., Tweedie, C., Webber, P. 2010. Circumpolar Arctic tundra vegetation change is linked to sea-ice decline. Presented at State of the Arctic Meeting. Miami, Fl March 16-19. (Presentation)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J. 2010. Seasonality of the atmosphere-ocean-ice-terrestrial environment of Arctic tundra. Presented at State of the Arctic Meeting. Miami, FL March 16-19. (Poster)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Climatology and Seasonality of the ice-ocean-atmosphere-terrestrial system on the Yamal. Presented at Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    5. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Circumpolar arctic tundra vegetation change is linked to sea-ice decline. Presented at Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    6. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Climatology and variability of the ice-ocean-atmosphere-terrestrial system on the Yamal. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Poster)
    7. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Steele, M., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Circumpolar arctic tundra vegetation change is linked to sea-ice decline. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Presentation)
    8. Bieniek, P.A., Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Gens, R., Pinzon, J.E., Tucker, C.J., Steele, M., Ozimek, C. 2010. Alaska tundra vegetation trends and their links to the large-scale climate. AGU Fall Meeting. San Francisco, CA, 13-17 December. (Poster)
    9. Comiso, J.C. 2010. State of the Cryosphere in the Arctic. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    10. Drozdov, D.S., Grechichshev, S.E., Malkova, G.V., Korostelev, Y.V. 2010. Yamal Peninsula maps and GIS information. Update on ECI activities and permafrost research on the Yamal. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland 8-10 March 2010. (Presentation)
    11. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. Presented at IPY Oslo Science Conference. Oslo, Norway 8-12 Jun. (Presentation)
    12. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G., Leibman, M.O., Kaarlejärvi, E., Khomutov, A.V., Kuss, H.P., Moskalenko, N.G., Orechov, P., Matyshak, G., Forbes, B.C., Yu, Q. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 20-22 April. (Poster)
    13. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G.J., Leibman, M.O., Kaarlejärvi, E., Khomutov, A.V., Kuss, H.P., Moskalenko, N.G., Orechov, P., Matyshak, G., Forbes, B.C. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Presentation)
    14. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G.J., Leibman, M.O., Kaarlejärvi, E., Khomutov, A.V., Kuss, P., Moskalenko, N.G., Orechov, P., Matyshak, G., Forbes, B.C. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in Arctic tundra. Presented at State of the Arctic Meeting. Miami, FL 16-19 March. (Presentation)
    15. Forbes, B.C., Fauria, M.M., Zetterberg, P. 2010. Russian Arctic Warming and 'Greening' are Closely Tracked by Tundra Shrub Willows. Presented at State of the Arctic Conference. Miami, FL March 16-19. (Poster)
    16. Forbes, B.C., Fauria, M.M., Zetterberg, P., Kumpula, T. 2010. Deciduous shrub growth and the greening of the Arctic in West Siberia. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC53B-08) (Presentation)
    17. Forbes, B.C., Murray, M.S., Walker, D.A. 2010. Human dimensions of land-cover and land-use change in the Arctic with a focus on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Presentation)
    18. Forbes, B.C., Stammler, F., Kumpula, T., Meschtyb, N., Pajunen, A., Kaarlejärvi, E. 2010. High resilience in the Yamal-Nenets social-ecological System, west Siberian Arctic, Russia. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    19. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Spatio-temporal dynamics in tree and tall shrub cover near Kharp, northwest Siberia: 2009 field observations and proposed 2010 study plan. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    20. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Summary of 2009 field observations and proposed 2010 study plan for Kharp study site, northwest Siberia. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Presentation)
    21. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Spatio-temporal trends in tree and shrub cover in the circumpolar Low Arctic: Evidence from 1960s satellite photography and ground observations. Presented at State of the Arctic Meeting. Miami, FL March 16-19. (Poster)
    22. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Spatio-temporal dynamics in tree and tall shrub cover near Kharp, northwest Siberia. Presented at Land Cover, Land Use Change Spring Science Team Meeting Bethesda, MD April 20-22. (Poster)
    23. Frost, G.V., Epstein, H.E., Walker, D.A., Yu, Q., Raynolds, M.K. 2010. Spatio-temporal trends in vegetation structure and NDVI in Low Arctic northwest Siberia: evidence from the satellite record and ground observations. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC54A-03) (Presentation)
    24. Frost, G.V., Walker, D.A., Raynolds, M.K., Epstein, H.E. 2010. Ordination and gradient analysis of Yamal Peninsula releve data. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 8-10. (Poster)
    25. Gubarkov, A. 2010. Issues of Yamal Peninsula gas fields development. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    26. Heim, B., Bartsch, A., Boike, J., Hubberten, H.-W. 2010. DUE Permafrost: a spaceborne permafrost monitoring and information system. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    27. Jia, G.J., Epstein, H.E., Walker, D.A., Raynolds, M.K., Yonghong, H., Tucker, C. 2010. Satellite view of changing phenological patterns over Arctic tundra biome. Presented at State of the Arctic Meeting. Miami, FL March 16-19. (Poster)
    28. Jia, G.J., Hu, Y., Wang, H., Epstein, H.E., Walker, D.A. 2010. Greening and Seasonality: Multi-scale Approaches. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland 8-10 March 2010. (Presentation)
    29. Kaplan, J.O., Melton, J.R., Pfeiffer, M., Collins, P.M. 2010. Large-scale dynamic modeling of soil-vegetation interactions. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    30. Khitun, O., Rebristaya, O. 2010. Concrete Flora Concept as a Base for Floristic Investigations in the Russian Arctic. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    31. Khitun, O.V., Moskalenko, N.G. 2010. Summary of Yamal vegetation and flora. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    32. Khomutov, A.V., Leibman, M.O. 2010. Landscape pattern and cryogenic landsliding hazard analysis at Vaskiny Dachi, Central Yamal. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    33. Khomutov, A.V., Leibman, M.O., Epstein, H.E. 2010. Relation between active-layer depth, NDVI and LAI along the Yamal Transect. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    34. Kumpula, T., Forbes, B.C., Stammler, F. 2010. Land-use and land-cover changes in Yamal peninsula. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    35. Leibman, M.O., Gubarkov, A.A., Khumotov, A.V., Moskalenko, N.G., Orekhov, P.T., Ponomareva, O.E., Gameev, I.A. 2010. Geocryological Map of the USSR, 1:2,500,000, 1991. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    36. Maier, H.A., Walker, D.A. 2010. Ostrov Belyy (White Island), Yamal Peninsula region, Russia: Landsat ETM+ false color image, land-cover map, and NDVI map (1:200K scale). Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    37. Maier, H.A., Walker, D.A. 2010. Yamal Peninsula, Russia: Landsat TM Mosaic Image (1:1M scale), Land-Cover Maps and NDVI Maps of the LCLUC Study Areas (1:250K-1:300K scales). Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    38. Maier, H.A., Walker, D.A. 2010. Application of Global Land Survey data to land-cover mapping: Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Poster)
    39. Moskalenko, N.G. 2010. Vegetation Dynamics at the Nadym and Kharasavei sites in the West Siberia North. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    40. Orekhov, P., Leibman, M.O. 2010. Yamal Peninsula, climate, zonation, physiography, geology, permafrost. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    41. Pinzon, J.E., Tucker, C.J. 2010. GIMMS 3g NDVI set and global NDVI trends. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    42. Raynolds, M.K., Walker, D.A., Bhatt, U.S., Pinzon, J.E., Comiso, J.C. 2010. NDVI trends 1981-2008 in the circumpolar Arctic and Yamal. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Presentation)
    43. Raynolds, M.K., Walker, D.A., Verbyla, D., Munger, C.A. 2010. Changes in tundra vegetation over 25 years as measured by Landsat NDVI in the Upper Kuparuk River Basin, North Slope Alaska, 1985-2009. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC43B-0984) (Poster)
    44. Stammler, F. 2010. Humans and animals on northern Yamal: uncovering unknown patterns of movement and settlement. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    45. Streletskiy, D.A., Nelson, F.E., Shiklomanov, N.I. 2010. Spatial and temporal variability of active-layer thickness under changing climatic conditions in Northwest Siberia. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    46. Talbot, S.S., Walker, D.A. 2010. Circumboreal Vegetation Mapping (CBVM) Project: Introduction and objectives. Circumboreal Vegetation Mapping (CBVM) Workshop. Helsinki, Finland, November 3-6, 2008, 1-3. (Presentation)
    47. Ukraintseva, N.K. 2010. High Willow Shrubs in Yamal: Reasons of Their Wide Expansion and Methods of Biomass Assessment. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    48. Walker, D.A. 2010. An integrated mapping approach and suggestions for incorporating tundra into the CBVM legend. Presented at Circum-Boreal Vegetation Mapping Workshop. Helsinki, Finland March 12-14.
    49. Walker, D.A. 2010. Welcome, goals of the workshop, and overview of the project. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    50. Walker, D.A. 2010. Greening of the Arctic: Spatial and temporal (1982-2009) variation of circumpolar tundra NDVI and aboveground biomass. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC53B-01) (Presentation)
    51. Walker, D.A., Epstein, H.E., Bhatt, U.S., Leibman, M.O., Forbes, B., Romanovsky, V.E., Raynolds, M.K., Jia, G.J., Frost, G.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P., Matyshak, G., Webber, P.J., Tweedie, C.E., Gould, W.A., Mercado, J., Munger, C.A., Maier, H.A., Comiso, J., Pinzon, J.E., Tucker, C.J., Ukraintseva, N.G., Drozdov, D.S., Gubarkov, A.A., Kaarlejärvi, E., Khitun, O., Kuss, P., Yu, Q. 2010. Greening of the Arctic: A planet-to-plant analysis of Arctic vegetation change. Presented at IPY Oslo Science Conference. Oslo, Norway 8-12 June. (Presentation)
    52. Walker, D.A., Epstein, H.E., Bhatt, U.S., Maier, H.A., frost, G.V., Raynolds, M.K., Comiso, J.C., Daanen, R.P., Drozdov, D.S., Forbes, B.C., Gubarkov, A.A., Jia, G.J., Kaarlejärvi, E., Khitun, O., Khumotov, A.V., Kuss, H.P., Leibman, M.E., Matyshak, G., Moskalenko, N.G., Orekhov, P., Pinzon, J.E., Romanovsky, V.E., Tucker, C.J., Ukraientseva, N.K., Yu, Q. 2010. Greening of the Arctic: A planet-to-plant analysis of tundra vegetation change. Presented at State of the Arctic Meeting. Miami, Fl 16-19 March. (Presentation)
    53. Walker, D.A., Epstein, H.E., Maier, H.A., Frost, G.V., Raynolds, M.K., Bhatt, U.S., Comiso, J.C., Daanen, R.P., Drozdov, D.S., Forbes, B.C., Gubarkov, A.A., Jia, G.J., Kaarlejärvi, E., Khitun, O., Khomutov, A.V., Kuss, P., Leibman, M.O., Matyshak, G., Moskalenko, N.G., Orekhov, P., Pinzon, J.E., Romanovsky, V.E., Tucker, C.J., Ukraintseva, N.G., Yu, Q. 2010. The Yamal LCLUC Study: Vegetation analysis and mapping along a 900-km Arctic transect. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 20-22 April. (Poster)
    54. Walker, D.A., Epstein, H.E., Maier, H.A., Frost, G.V., Raynolds, M.K., Bhatt, U.S., Liebman, M.O., Moskalenko, N., Forbes, B.C., Romanovsky, V.E., Comiso, J.C., Daanen, R., Drozdov, D.S., Kaarlejärvi, E., Khitun, O., Khomutov, A.V., Kuss, P., Matyshak, G., Orechov, P., Pinzon, J.E., Tucker, C.J. 2010. The Yamal Transect: Vegetation Analysis and Mapping (a plant to planet approach). Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Presentation)
    55. Walker, D.A., Raynolds, M.K., Kofinas, G.P. 2010. Arctic LTER: Map Analysis. Presented at MALS Workshop. Fairbanks, AK October 8-9. (Presentation)
    56. Walker, D.A., Raynolds, M.K., Maier, H.A., Barbour, E.M., Neufeld, G.P. 2010. Circumpolar geobotanical mapping: a web-based plant-to-planet approach for vegetation-change analysis in the Arctic. Presented at Mapping and Monitoring of Nordic Vegetation and Landscapes Conference. Hveragerði, Iceland 16-18 September. (Conference Website) (Presentation)
    57. Walker, D.A., Walker, M.D., Gould, W.A., Mercado, J., Auerbach, N.A., Maier, H.A., Neufeld, G.P. 2010. Maps for monitoring changes to vegetation structure and composition: The Toolik and Imnavait Creek grid plots. Presented at Mapping and Monitoring of Nordic Vegetation and Landscapes Conference. Hveragerði, Iceland 16-18 September. (Conference Website) (Poster)
    58. Yu, Q., Epstein, H.E., Walker, D.A. 2010. Controls on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia - an integrative study using ArcVeg and multi-temporal Landsat imagery. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Presentation)
    59. Yu, Q., Epstein, H.E., Walker, D.A. 2010. Land surface dynamics on the Yamal Peninsula based on multi-temporal imagery. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Poster)
    60. Yu, Q., Epstein, H.E., Walker, D.A., Frost, G.V. 2010. Modeling dynamics of tundra plant communities on the Yamal Peninsula. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC54A-04) (Presentation)
  1. 2009

    1. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R. 2009. Greening of Arctic tundra is linked to warming summer land temperatures and sea-ice declines. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March - 2 April. (Poster)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Rudiger, G. 2009. Panarctic linkages between greening of Arctic tundra, sea ice decline, and summer land temperatures. Presented at NEESPI Workshop CITIES-2009. Krasnoyarsk, Russia July 14. (Presentation)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Steele, M., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2009. Seasonality of the air-sea-ice-land environment of Arctic tundra in Northern Eurasia and North America. Presented at Department of Atmospheric Sciences, Informal Seminar. Fairbanks, AK Nov. 18. (Presentation)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Steele, M., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2009. Seasonality of the air-sea-ice-land environment of Arctic tundra in Northern Eurasia and North America. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0701. (Poster)
    5. Epstein, H.E., Walker, D.A., Karlejaärvi, E., Kuss, P., Moskalenko, N.G., Orekhov, P.T., Gubarkov, A.A., Khomutov, A.V., Liebman, M.O., Matyshak, G.V. 2009. Biomass-NDVI-LAI patterns and relationships on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 Mar-2 Apr. (Poster)
    6. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G.J., Liebman, M.O., Kaarlejärvi, E., Khumotov, A.V., Kuss, H.P., Moskalenko, N.G., Orekhov, P., Matyshak, G., Forbes, B.C., Yu, Q. 2009. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0697. (Poster)
    7. Frost, G.V., Epstein, H.E., Jorgenson, M.T. 2009. Spatio-temporal trends in tree and tall shrub cover in the circumpolar Arctic: evidence from repeat ground photographs and 1960s satellite imagery. Presented at Land Cover, Land Use Change Spring Science Team Meeting, Bethesda, MD, March 31-April2, 2009. (Poster)
    8. Frost, G.V., Epstein, H.E., Walker, D.A. 2009. Spatio-temporal trends in tree and tall shrub cover in the Eurasian Low Arctic: evidence from 1960s and contemporary satellite imagery and ground observations. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0698. (Poster)
    9. Jia, G.J., Epstein, H.E., Walker, D.A., Hu, Y., Wang, H. 2009. Decadal changes of phenological patterns over Arctic tundra biome. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Poster)
    10. Khomutov, A.V., Leibman, M.O., Moskalenko, N.G., Epstein, H.E., Walker, D.A. 2009. Numerical characteristics of vegetation and their influence on active layer depth. Presented at International Workshop on the results of IPY. Sochi, Krasnodar Krai, Russia 28 September - 1 October. (Presentation)
    11. Leibman, M.O., Khomutov, A.V. 2009. Environmental controls of the thaw depth and rate of thaw under climate fluctuations. Association of American Geographers Annual Meeting. Las Vegas, NV, March 22-27. (Abstract) (Presentation)
    12. Leibman, M.O., Ukraintseva, N.K. 2009. Mechanisms and geoecological consequences of cryogenic landslides in the area of marine sedimentation. European Geosciences Union General Assembly 2009. Vienna, Austria, April 19-24, 11:EGU2009-3980. (Abstract) (Presentation)
    13. Raynolds, M.K., Walker, D.A., Verbyla, D., Huetmann, F. 2009. Modeling the distribution of circumpolar arctic vegetation. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, Maryland 31 March-2 April. (Poster)
    14. Walker, D.A. 2009. The integrated mapping approach used in mapping the Arctic tundra biome. Presented at North American CBVM Workshop. Great Lakes Forestry Centre, Sault Ste Marie, Ontario, Canada December 1-2. (Presentation)
    15. Walker, D.A., Bhatt, U.S., Epstein, H.E., Raynolds, M.K., Frost, G.V., Liebman, M.O., Khumotov, A.V., Jia, G.J., Forbes, B.C., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Webber, P.J., Tweedie, C.E. 2009. Circumpolar Arctic greening: Relationships to summer sea-ice concentrations, land temperatures and disturbance regimes. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC43B-08. (Presentation)
    16. Walker, D.A., Leibman, M.O., Epstein, H.E., Forbes, B.C., Bhatt, U.S., Raynolds, M.K., Comiso, J.C., Gubarkov, A.A., Khomutov, A.V., Jia, G.J., Kaarlejärvi, E., Kaplan, J.O., Kumpula, T., Kuss, P., Matyshak, G., Moskalenko, N.G., Orekhov, P., Ukraientseva, N.K., Yu, Q. 2009. Vegetation greenness on the Yamal Peninsula, Russia: Disturbance-climate-change interactions. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Poster)
    17. Walker, D.A., Walker, M.D., Auerbach, N.A., Maier, H.A., Neufeld, G.P. 2009. Toolik Grid Plots: Baseline canopy height and species composition in 1990. Presented at Mapping and Monitoring of Nordic Vegetation and Landscapes. Hveragerdi, Iceland 16-18 September. (Poster)
    18. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Simulating soil organic nitrogen and grazing effects on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Poster)
    19. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Evaluating Environmental Controls on Arctic Tundra Vegetation Dynamics on Yamal Peninsula, Russia. Presented at EnviroDay. University of Virginia, VA January 12. (Poster)
    20. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Simulating soil organic nitrogen and grazing effects on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0693. (Presentation)
  1. 2008

    1. Anon. 2008. Agenda and Abstracts. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M., Comiso, J. 2008. Examining relationships between sea ice and Arctic vegetation on the Pan-Arctic, regional and site scales. European Geosciences Union General Assembly. Vienna, Austria, 13 -18 April, 10:EGU2008-A-11271. (Abstract) (Presentation)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2008. Circumpolar and regional analysis of the relationship between sea-ice variability, summer land-surface temperatures, Arctic tundra greenness and large-scale climate drivers. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD 28 April - 2 May . (Poster)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2008. Pan-Arctic climate dynamics in relationship to sea ice, land-surface temperatures and NDVI: focus Yamal region & comparison with North America. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    5. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2008. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change Problems on the Yamal Peninsula, Russia: Circumpolar and regional analysis of the relationship between sea-ice variability, summer land-surface temperatures, Arctic t. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May 2. (NASA CCE website) (Poster)
    6. Comiso, J.C. 2008. Decadal Changes in the Arctic Sea Ice Cover and Surface Temperature with especial focus on Yamal, Alaska and the Canadian Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    7. Daanen, R., Romanovsky, V., Walker, D., LaDouceur, M. 2008. High resolution, surface and subsurface survey of a non-sorted circle system. Ninth International Conference on Permafrost. Fairbanks, AK, June 29 - July 3, 1:321-326. (Session 1P-9-62) (Poster)
    8. Drozdov, D.S. 2008. Mapping and remote sensing of natural and technogenic geosystems in West Siberia. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    9. Epstein, H.E. 2008. Field and Modeling Analyses of Tundra Vegetation Communities Along Latitudinal Temperature Gradients. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    10. Epstein, H.E., Walker, D.A., Kuss, P., Karlejaärvi, E. 2008. (1)LAI, NDVI, and vegetation biomass for Low Arctic sites in the Yamal region of Russia (2)An overview of modeling vegetation and ecosytem dynamics in arctic tundra. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia 28-30 January. (Presentation)
    11. Epstein, H.E., Walker, D.A., Kuss, P., Karlejaärvi, E., Matyshak, G. 2008. Ecosystem Properties along a Latitudinal Gradient of the Yamal Region, Russia. European Geosciences Union General Assembly. Vienna, Austria, 13 - 18 April, 10:EGU2008-A-04406. (Abstract) (Poster)
    12. Epstein, H.E., Walker, D.A., Kuss, P., Karlejaärvi, E., Matyshak, G.V. 2008. Ecosystem Properties along a Latitudinal Gradient of the Yamal Region, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop, Adelphi, MD, April 28-May2, 2008. (Abstract) (Poster)
    13. Forbes, B.C., Stammler, F., Pajunen, A., Karlejaärvi, E. 2008. Cumulative Effects of Industrial Development, Reindeer Herding, and Climate Change on the Yamal Peninsula, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May2. (Poster)
    14. Forbes, B.C., colleagues, w.m.d. 2008. Effects of petroleum development on reindeer herding in Northwest Siberia: Combining scientific and traditional knowledge. Presented at Yamal Land Cover and Land Use Workshop. Moscow, Russia January 28-30. (Presentation)
    15. Gubarkov, A.A. 2008. Overview of gas and oil development on the Yamal Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia 28-30 January. (Presentation)
    16. Jia, G.J., Epstein, H.E., Walker, D.A., Wang, H. 2008. Decadal changes of phenological patterns over arctic tundra biome. AGU Fall Meeting. San Francisco, CA, Dec. 15-19, 89:C21C-0559. (Poster)
    17. Jia, G.J., Wang, H., Epstein, H.E., Walker, D.A. 2008. Greening of Arctic: Knowledge and Uncertainties. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    18. Kaplan, J.O., Lischke, H., Melton, J.R. 2008. Dynamic Modeling of Global Arctic and Subarctic Vegetation. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    19. Khomutov, A.V., Leibman, M.O. 2008. Landscape structure in natural and disturbed conditions of Yamal Peninsula, field results and local GIS. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    20. Kumpula, T. 2008. Remote sensing of land-use/land-cover change in the Bovanenkovo gas field on the Yamal Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia 28-30 January. (Presentation)
    21. Kumpula, T., Forbes, B.C., Stammler, F. 2008. Landscape Change in the Russian Arctic: Ecological Implications of the Petroleum Industry to the Nenets Reindeer Herding in Yamal Peninsula. Presented at 20th Annual Meeting and Arctic Forum. Washington, D.C. 13 - 15 May 2008. (Poster)
    22. Kuss, P., Karlejaärvi, E., Moskalenko, N., Epsein, H., Walker, D. 2008. Plant communities at Nadym, Laborovaya, and Vaskiny Dachi. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia 28-30 January. (Presentation)
    23. Leibman, M.O. 2008. Welcome. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30, 2008. (Presentation)
    24. Leibman, M.O., Epstein, H.E., Khomutov, A.V., Moskalenko, N.G., Walker, D.A. 2008. Relation of active layer depth to vegetation on the central Yamal Peninsula, Russia. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, Extended Abstracts 2:177-178. (Session 2P-4-43) (Poster)
    25. Leibman, M.O., Malkova , G., Khomutov, A., Gubarkov , A. 2008. Overview of Yamal Peninsula with focus on Laborovaya and Vaskiny Dachi: Climate, zonation, physiography, geology, permafrost. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    26. Matyshak, G.V. 2008. Soils at Nadym and Yamal area. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28. (Presentation)
    27. Melnikov, V.P., Drozdov, D.S., Malkova, G.V. 2008. Permafrost: contemporary state, stability and dynamics. Technogenic influence. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    28. Moskalenko, N.G. 2008. Overview of vegetation dynamics, disturbance and recovery studies in Nadym and Yamal areas. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    29. Munger, C.A., Walker, D.A., Maier, H.A., Hamilton, T.D. 2008. Spatial analysis of glacial geology, surficial geomorphology, and vegetation in the Toolik Lake region: Relevance to past and future land-cover changes. Presented at Ninth International Conference on Permafrost. Fairbanks, AK June 29 - July 3, 2:1255-1260. (Presentation)
    30. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2008. Modeling observed differential frost heave within non-sorted circles in Alaska. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, 2:1281-1286. (Session 3P-6-54) (Poster)
    31. Orekhov, P.T. 2008. Lake ecosystems in different landscapes in the Nadym region. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    32. Peterson, R.A. 2008. Numerical modeling of differential frost heave. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, 2:1399-1404. (Presentation)
    33. Ponomareva, O.E. 2008. Overview of Nadym Region: Climate, Zonation, Physiography, Geology, Permafrost. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    34. Raynolds, M.K., D.A. Walker, and J.C. Comiso 2008. Spatial patterns of land surface temperature and NDVI and their relation to vegetation distribution on the Yamal Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28-30. (Presentation)
    35. Raynolds, M.K., Walker, D.A. 2008. Circumpolar relationships between permafrost characteristics, NDVI, and arctic vegetation types. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, 2:1469-1474. (Presentation)
    36. Raynolds, M.K., Walker, D.A., Comiso, J.C. 2008. Spatial Patterns of Land Surface Temperature and NDVI on the Yamal Peninsula, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May 2. (Poster)
    37. Raynolds, M.K., Walker, D.A., Comiso, J.C. 2008. Circumpolar AVHRR Surface Temperature and its Relationship to Bioclimate Zones and NDVI. Presented at Komarov Botanical Institute. St. Petersburg, Russia February 5. (Presentation)
    38. Romanovsky, V., Kholodov, A., Marchenko, S. 2008. Pan-Arctic permafrost thermal conditions: Where does the Yamal Peninsula fit?. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    39. Romanovsky, V.E., Marchenko, S.S., Daanen, R., Sergeev, D.O., Walker, D.A. 2008. Soil climate and frost heave along the permafrost/ecological North American Arctic transect. Ninth International Conference on Permafrost. Fairbanks, AK, June 28-July3, 2:1519-1524. (Presentation)
    40. Stammler, F. 2008. A century of nomadic land use. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    41. Walker, D.A. 2008. Arctic sea ice, Arctic vegetation change and lessons from 2007. Presented at Arctic Observation Integration Workshop. Palisades, NY March 17-20. (Presentation)
    42. Walker, D.A. 2008. North American Arctic Transect. Presented at 20th Annual Meeting and Arctic Forum. Washington, D.C. May 13-15 . (Poster)
    43. Walker, D.A. 2008. Overview of the Yamal LCLUC Project and Objectives of the Meeting. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    44. Walker, D.A. 2008. Greening of the Arctic: An IPY Initiative. Does the loss of sea ice affect the tundra and those who depend on it?. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK November 21. (Presentation)
    45. Walker, D.A. 2008. Biocomplexity of Arctic Patterned Ground: A tale of cracking, heaving, and smothering!. Presented at Dynamics of Complex Systems: Common Threads Workshop. Fairbanks, AK 6 August. (Presentation)
    46. Walker, D.A. 2008. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May 2. (Presentation)
    47. Walker, D.A. 2008. Monitoring spatial and temporal changes in Arctic vegetation. Presented at CBMP Partnership Workshop. Washington, D.C. March 6-7. (Presentation)
    48. Walker, D.A., Barbour, E.M., Maier, H.A. 2008. A Web-based Arctic Geobotanical Atlas and a New Hierarchy of Maps of the Toolik Lake Region, Alaska. Ninth International Conference on Permafrost. Fairbanks, AK, June 29 - July 3, 2:1893-1898. (Presentation)
    49. Walker, D.A., Bhatt, U.S., Epstein, H.E. 2008. Greening of the Arctic: an IPY Initiative. AGU Fall Meeting. San Francisco, CA, December 12-15, 89:1. (U23F-05 INVITED) (Presentation)
    50. Walker, D.A., Bhatt, U.S., Romanovsky, V.E., Kofinas, G.P., Raynolds, M.K., Epstein, H.E., Yu, Q., Forbes, B.C., Stammler, F., Karlejaärvi, E., Leibman, M., Moskalenko, N., Gubarkov, A., Khomutov, A., Kumpula, T., Comiso, J.C., Kuss, J.P., Jia, G.J., Kaplan, J.O., Matyshak, G. 2008. Cumulative effects of resource development, reindeer herding, and climate change on the Yamal Peninsula. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD 28 April - 2 May. (Presentation)
    51. Walker, D.A., Bhatt, U.S., Romanovsky, V.E., Kofinas, G.P., Raynolds, M.K., Epstein, H.E., Yu, Q., Forbes, B.C., Stammler, F., Karlejäarvi, E., Leibman, M., Moskalenko, N., Gubarkov, A., Khomutov, A., Kumpula, T., Comiso, J.C., Kuss, J.P., Jia, G.J., Kaplan, J.O., Matyshak, G. 2008. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia. European Geosciences Union General Assembly. Vienna, Austria, April 13-18, 10:EGU2008-A-05697. (EGU2008-A-05697) (Presentation)
    52. Walker, D.A., Epstein, H.E., Karlejaärvi, E., Kuss, J.P., Leibman, M.O., Matyshak, G.V., Moskalenko, N.G., Romanovsky, V.E. 2008. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia: 2007 field studies along the bioclimate gradient. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop, Adelphi, MD, April 28-May 2, 2008. (Poster)
    53. Walker, D.A., Epstein, H.E., Karlejaärvi, E., Kuss, P., Leibman, M.O., Moskalenko, N.G., Matyshak, G.V. 2008. 2007 Expedition to Yamal Peninsula Region, Russia. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28-30. (Presentation)
    54. Walker, D.A., Forbes, B.C., Stammler, F., Kumpula, T., Gubarkov, A., Karlejäarvi, E., Bhat, t.U., Raynolds, M., Romanovsky, V., Kuss, P., Leibman, M., Moskalenko, N., Khomutov, A., Epstein, H., Yu, Q., Jia, J., Comiso, J., Kaplan, J. 2008. Cumulative impacts analysis on the Yamal Peninsula, Russia: A blueprint for a comparative study in Northern Alaska?. Presented at 20th Annual Meeting and Arctic Forum. Washington, D.C. 13-15 May . (Poster)
    55. Walker, D.A., Leibman, M.O., Forbes, B.C., Epstein, H.E. 2008. Cumulative effects of rapid climate and land-use changes on the Yamal Peninsula, Russia. AGU Fall Meeting. San Francisco, CA, December 15-19, 89:GC52A-07. (GC52A-07) (Presentation)
    56. Walker, D.A., Murray, M. 2008. Linked Response to Rapid Climate Change and Land-Use Change in the Arctic. Presented at Human Dimensions of the Arctic. San Francisco, CA December 18. (Presentation)
    57. Yu, Q., Epstein , H. 2008. Modeling Arctic Tundra Vegetation Dynamics in North America and the Yamal Region of Russia. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28-30. (Presentation)
    58. Yu, Q., Epstein, H.E. 2008. Evaluating arctic tundra system resilience to grazing disturbances: a modeling approach. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, Maryland April 28-May 2. (Poster)
    59. Yu, Q., Epstein, H.E. 2008. Evaluating Arctic tundra system resilience to grazing disturbances: A modeling approach. European Geosciences Union General Assembly 2008. Vienna, Austria, 13 - 18 April, 10:EGU2008-A-12154. (EGU2008-A-12154) (Poster)
  1. 2007

    1. Alcaraz, D., Chuvieco, E., Epstein, H. 2007. Temporal trends in post-fire regeneration patterns of boreal forests using 1km AVHRR NDVI. Presented at AGU Fall Meeting, San Francisco, CA, December 10-14, 2007. (B11D-0777) (Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2007. Influence of Regional Sea Ice Variability on Arctic Tundra. Presented at Seventh International Conference on Global Change: Connection to the Arctic. Fairbanks, Alaska, February 19-20, 2007, 76-78. (Online Proceedings) (Poster)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2007. The relationship between sea ice variability and arctic tundra on the pan-Arctic, regional, and site scales. Presented at AGU Fall Meeting, San Francisco, CA, December 10-14, 2007. (U42C-0612) (Poster)
    4. Jia, G.J., Epstein, H.E., Walker, D.A. 2007. Trends of Vegetation Greenness in the Arctic from 1982-2005. Presented at AGU Fall Meeting, San Francisco, CA, December 10-14, 2007. (Abstract B21A-0041) (Poster)
    5. Kuss, K. and Walker, D.A. 2007. Project for interlinked Flora Arctica and Arctic Vegetation databases. Proceedings of the Fourth International Conservation of Arctic Flora and Fauna (CAFF) Flora Group Workshop, Tórshavn, Faroe Islands, May 15-18, 2007. Akureyri, Iceland, , 63-65. (Poster)
    6. Ping, C.L., Kimble, J., Michaelson, G.J., Walker, D.A. 2007. Cryogenesis and Carbon Stores in Arctic Tundra Soils, Alaska. Presented at Arctic Science Conference. Anchorage, AK September 24-26. (Presentation)
    7. Raynolds, M.K. 2007. The relationship between permafrost characteristics and the distribution of arctic vegetation types. Presented at Arctic Science Conference, Arctic AAAS Division Meeting, Anchorage, AK, September 24-26, 2007. (Poster)
    8. Raynolds, M.K. 2007. Arctic vegetation: its distribution and characteristics. Presented at GLOBE. Fairbanks, AK March 23.
    9. Raynolds, M.K. 2007. Searching for the effects of climate change on arctic vegetation. Presented at Science Cafe Fairbanks, AK May 29. (Presentation)
    10. Walker, D.A. 2007. The Circumpolar Arctic Vegetation Map and the Arctic Geobotanical Atlas. Presented at Fourth International CAFF Flora Group Workshop. Faroe Islands, Denmark May 15-17 . (Presentation)
    11. Walker, D.A. 2007. A Circum-Boreal Vegetation Map Inititiative: The U.S. Perspective. Presented at Fourth International CAFF Flora Group Workshop. Faroe Islands, Denmark May 15-17. (Presentation)
    12. Walker, D.A. 2007. Interactions of climate, sea-ice, land-temperatures carbon, and humans in the Arctic: an overview. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 4 - 6. (Presentation)
    13. Walker, D.A. 2007. A Hierarchic Geobotanical Atlas. Presented at 41st Alaska Surveying and Mapping Conference. Fairbanks, AK 19-23 March. (Presentation)
    14. Walker, D.A., Maier, H.A., Barbour, E.M., Balser, A.W., Grimes, J.P., Heinrichs, T.A., Nolan, M., Prokein, P., Pylant, C.L., Raynolds, M.K., Rogan, L.M., Sharpton, V.L., Stahlke, D.L., Vockeroth, S.G. 2007. Legacy IPY Hierarchic GIS Database for the Arctic Observatory at Toolik Lake. Presented at 41st Alaska Surveying and Mapping Conference. Westmark Hotel, Fairbanks, AK 19-23 March. (Poster)
  1. 2006

    1. Barbour, E.M., Walker, D.A., Maier, H.A., Balser, A.W., Grimes, J.P., Heinrichs, T.A., Nolan, M., Prokein, P., Pylant, C.L., Raynolds, M.K., Rogan, L.M., Sharpton, V.L., Stahlke, D.L., Vockeroth, S.G. 2006. Arctic Geobotanical Atlas. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Poster)
    2. Cook, B.I., Bonan, G.B., Levis, S., Epstein, H.E., Smith, T.M. 2006. Amplification of climate model response to snow cover fraction parameterization through dynamic vegetation. AGU Fall Meeting, San Francisco, CA, December 11-15, 87:C21C-1181. (C21C-1181) (Presentation)
    3. Daanen, R.P., Misra, D., Epstein, H.E., Walker, D.A. 2006. Modeling hydrology-vegetation interactions in non-sorted-circle ecosystems. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C44A-07. (C44A-07)
    4. Daanen, R.P., Peterson, R., Misra, D., Nicolsky, D., Epstein, H.E., Walker, D.A. 2006. Modeling self organization of non-sorted circles. Presented at European Geosciences Union General Assembly. Vienna, Austria April 2-7. (Poster)
    5. Epstein, H.E. 2006. Greening of the Arctic: Assessing tundra dynamics with remote sensing and modeling. Presented at Earth System Science Partnership Open Science Conference. Beijing, China November 9-12. (Presentation)
    6. Epstein, H.E., Kelley, A.M., Walker, D.A., Jia, G.J., Raynolds, M.K. 2006. Regional-scale vegetation dynamics in patterned-ground ecosystems of arctic tundra. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C51A-0396. (C51A-0396) (Presentation)
    7. Epstein, H.E., Walker, D.A., Jia, G.J., Kelley, A.M., Raynolds, M.K. 2006. Climate, plant biomass, and NDVI relationships along the full arctic bioclimate gradient. Presented at Arctic Forum. Washington, DC May 12. (Poster)
    8. Forbes, B. 2006. Effects of petroleum development on reindeer herding in Northwest Siberia: Combining scientific and traditional knowledge. Presented at Earth System Science Partnership. Beijing, China November 9-12. (Presentation)
    9. Gould, W.A., González, G., Walker, D.A. 2006. Integrating research and education in a study of biocomplexity in arctic tundra ecosystems: costs, results, and benefits to the research agenda. AGU Fall Meeting. San Francisco, CA, December 11-15, C44A-08. (C44A-08)
    10. Jia, G.J., Epstein, H.E., Walker, D.A. 2006. Decadal changes of vegetation greenness in the Canadian Arctic. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C51A-0383. (C51A-0383) (Presentation)
    11. Kelley, A.M., Epstein, H.E., Walker, D.A., Ping, C. 2006. Soil nitrogen transformations associated with small patterned-ground features along the complete arctic bioclimatic gradient. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C51A-0395. (C51A-0395) (Presentation)
    12. Kuss, P., Kade, A.N., Vonlanthen, C.M., Raynolds, M.K., Matveyeva, N.V., Daniels, F.J.A., Walker, D.A. 2006. Vegetation differentiation of arctic patterned-ground ecosystems. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C44A-05. (C44A-05)
    13. Maier, H.A., Walker, D.A., Barbour, E.M., Balser, A.W., Grimes, J.P., Heinrichs, T.A., Nolan, M., Prokein, P., Pylant, C.L., Raynolds, M.K., Rogan, L.M., Sharpton, V.L., Stahlke, D.L., Vockeroth, S.G. 2006. Arctic Geobotanical Atlas. Presented at 26th Annual ESRI International User Conference. San Diego, CA August 7-12. (Poster)
    14. Michaelson, G.J., Ping, C.L., Epstein, H.E., Kimbel, J.M., Romanovsky, V.E., Tarnocai, C.T., Walker, D.A. 2006. Soil Properties and Patterned Ground Across the North American Arctic Transect. AGU Fall Meeting. San Francisco, CA, December 11-15, C51A-0397. (C51A-0397)
    15. Munger, C.A., Walker, D.A., Raynolds, M.K., Kade, A.N., Vonlanthen, C.M., Kuss, P., Daanen, R.P. 2006. The North American Arctic Transect: baseline vegetation and active layer maps for the IPY. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C51A-0382. (C51A-0382)
    16. Nickolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A., Daanen, R.P., Overduin, P.P. 2006. Modeling reaction of non-sorted circles to changes in climate and vegetation cover. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Poster)
    17. Raynolds, M.K., Comiso, J.C., Walker, D.A. 2006. Comparison of arctic tundra bioclimate subzones and AVHRR surface temperature, and relationship to NDVI. Presented at 9th Bi-Annual Circumpolar Remote Sensing Symposium. Seward, Alaska May 16-19. (Presentation)
    18. Raynolds, M.K., Walker, D.A. 2006. Satellite land surface temperatures and tundra vegetation. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4.
    19. Raynolds, M.K., Walker, D.A., Kade, A.N., Vonlanthen, C.M., Vockeroth, S.G., Munger, C.A., Kuss, H.P. 2006. Aboveground Phytomass of Vegetation Communities Along an Arctic Climate Gradient. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C51A-0385. (C51A-0385) (Proceedings)
    20. Romanovsky, V., Marchenko, S., Brown, J. 2006. Thermal State of Permafrost (TSP): The US Contribution to the International Network of Permafrost Observatories. Presented at NEESPI Focus Center Workshop. Fairbanks, AK April 6-8. (Presentation)
    21. Romanovsky, V., Marchenko, S., Duguay, C.R., Walsh, J. 2006. Permafrost dynamics within the Northern Eurasia region and related impacts on surface and sub-surface hydrology. Presented at NEESPI Focus Center Workshop. Fairbanks, AK April 6-8. (Presentation)
    22. Romanovsky, V.E., Marchenko, S.S., Daanen, R., Nikolsky, D., Sergeev, D.O., Walker, D.A. 2006. Soil climate and frost heave along the permafrost/ecological North American Arctic Transect. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C44A-06. (C44A-06) (Presentation)
    23. Romanovsky, V.E., Marchenko, S.S., Grosse, G., Duguay, C.R., Zheleznyak, M.N., Sergeev, D.O. 2006. Monitoring and Modeling of the Northern Eurasia Permafrost Dynamics. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:52. (GC21B-04 INVITED)
    24. Walker, D., Daanen, R., Epstein, H.E., Gould, W., Gonzalez, G., Kade, A., Kelley, A., Krantz, W., Kuss, J.P., Michaelson, G., Munger, C., Nickolsky, D., Peterson, R., Ping, C., Raynolds, M.K., Romanovsky, V., Tarnocai, C., Vonlanthen, C. 2006. Biocomplexity of Arctic Patterned Ground: A tale of cracking, heaving, and smothering. AGU Fall Meeting. San Francisco, CA, December 14, 87:C44A-04. (C44A-04) (Presentation)
    25. Walker, D.A. 2006. Application of space-based technologies and models to address landcover/land-use change problems on the Yamal Peninsula, Russia. Presented at NEESPI-CLAC meeting. Fairbanks, AK April 6-8. (Presentation)
    26. Walker, D.A. 2006. Greening of the Arctic: an IPY initiative. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Presentation)
    27. Walker, D.A. 2006. Complexity in natural biological ecosystems: Interactions of physical and biological processes in the formation of small patterned-ground features across the Arctic climate gradient. Presented at Dynamics of Complex Systems: Common Threads Workshop. Fairbanks, AK July 5-7. (Presentation)
    28. Walker, D.A., Bhatt, U.S., Comiso, J.C., Epstein, H.E., Forbes, B.C., Jia, J., Kaplan, J.O., Kofinas, G.P., Leibman, M.O., Maier, H.A., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E. 2006. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change Problems on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Meeting. College Park, MD October 10-12. (Poster)
    29. Walker, D.A., Daanen, R., Kade, A.N., Michaelson, G.J., Nicolsky, D.J., Peterson, R., Ping, C.L., Munger, C.A., Raynolds, M.K., Romanovsky, V.E., Vonlanthen, C.M., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B., Tarnocai, C.T. 2006. Interactions of physical and biological processes in the formation of small patterned-ground features across the arctic climate gradient. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Presentation)
    30. Walker, D.A., Epstein, H.E., Jia, G.J., Bhatt, U.S., Romanovsky, V.E., Comiso, J.C., Kaplan, J.O., Markon, C.J., Leibman, M.E., Moskalenko, N.G., Forbes, B.C., Kofinas, G.P., Tarnocai, C., Ping, C.L., Michaelson, G., Gould, W.A., Maier, H.A., Barbour, E.M., Raynolds, M.K., Munger, C.A., Nolan, M., Prokein, P., Heinrichs, T.A., Grimes, J.P., Sharpton, V.L., Balser, A.W., Kuss, H.P. 2006. Greening of the Arctic: An IPY Initiative. Presented at Arctic Forum. Washington, D.C. 25-26 May. (Poster)
  1. 2005

    1. Daanen, R., Misra, D., Epstein, H.E. 2005. Modeling the Hydrology and the Effect of Climate Warming on the Non-Sorted Circle Ecosystem in the Arctic Tundra. AGU Fall Meeting, San Francisco, CA, December 5-9. (H53C-0477) (Poster)
    2. Epstein, H.E., D.A. Walker, G.J. Jia, Kelley, A.M. 2005. Climate, plant biomass, NDVI, and LAI relationships along the full arctic bioclimate gradient. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:B33E-1092. (B33E-1092) (Presentation)
    3. Jia, G.J., Epstein, H.E., Walker, D.A. 2005. Uneven response of arctic tundra to recent environmental changes. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:B33E-1091. (B33E-1091) (Presentation)
    4. Kade, A., D.A. Walker, Romanovsky, V.E. 2005. The N-factor along a climate gradient in patterned-ground ecosystems. Presented at 2nd European Conference on Permafrost. Potsdam, Germany June 12 - 16. (Presentation)
    5. Kade, A., Walker, D.A., Romanovsky, V.E. 2005. The effect of vegetation, soil organic layer and snow on the modified N-factor in patterned-ground ecosystems. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C21C-1135. (C21C-1135) (Presentation)
    6. Kelley, A.M., Epstein, H.E., Walker, D.A. 2005. Soil nitrogen cycling associated with small patterned ground features along a high-latitude temperature gradient in northern Alaska. AGU Fall Meeting, San Francisco, CA, December 5-9, B51A-0193. (B51A-0193) (Presentation)
    7. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2005. Modeling non-sorted circles along low Arctic climate gradient, Dalton Highway, Alaska. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C31A-1107. (C31A-07) (Poster)
    8. Ping, C.-L., G.J. Michaelson, Y. Shur, C. Tarnocai, Walker, D.A. 2005. Nonsorted circles and soil formation in Arctic Canada. Presented at 2nd European Conference on Permafrost. Potsdam, Germany 12-16 June.
    9. Ping, C.-L., Kimble, J.M., Michaelson, G.J., Tarnocai, C., Walker, D.A. 2005. Carbon stores and their distribution in different arctic ecosystems. Presented at 1st Climate and Cryosphere International Science Conference. Beijing, China April 11 - 15. (Presentation)
    10. Ping, C.-L., Michaelson, G.J., Tarnocai, C., Walker, D.A. 2005. Cryogenic features of tundra soils along a bioclimate gradient in arctic Alaska and Canada. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C24A-05. (C24A-05) (Presentation)
    11. Raynolds, M.K., Walker, D.A., Kade, A.N., Munger, C.A. 2005. Small-scale patterned ground in the Arctic: Maps of vegetation and thaw depth on a north-south transect. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C24A. (C24A-06) (Presentation)
    12. Shur, Y., Ping, C.L., Walker, D.A. 2005. Comprehensive model of frost boils and earth hummocks formation. Presented at 2nd European Conference on Permafrost. Potsdam, Germany 12-16 June. (Presentation)
    13. Tarnocai, C., Walker, D. 2005. Turf hummocks along a climatic gradient in Arctic Canada: characteristics and development. Presented at 2nd European Conference on Permafrost. Potsdam, Germany June 12-16.
    14. Walker, D.A. 2005. Biocomplexity of frost-heave features. Presented at University of Alaska Anchorage Complex Systems Group. Anchorage, Alaska March 21. (Presentation)
    15. Walker, D.A. 2005. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia. Presented at NEESPI Briefing for IGBP Leadership. San Francisco, CA December 4. (Presentation)
    16. Walker, D.A. 2005. Recent changes to arctic tundra vegetation. Presented at NOAA State of the Arctic Workshop. Woods Hole, MA October 24-26. (Presentation)
    17. Walker, D.A. 2005. Polygenetic origin of small patterned-ground features. Presented at Biocomplexity of Frost Boils Modeling Workshop. Fairbanks, AK March 14-16. (Presentation)
    18. Walker, D.A. 2005. Biocomplexity of small patterned-ground features: A North American Arctic Transect. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK October 28. (Presentation)
    19. Walker, D.A., Daanen, R.P., Epstein, H.E., Gonzalez, G., Gould, W.A., Kade, A.N., Kelley, A.M., Krantz, W.B., Michaelson, G.J., Munger, C.A., Nickolsky, D.J., Peterson, R.A., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Shur, Y.L., Tarnocai, C.T., Tipenko, G.S., Timling, I., Vonlanthen, C.M. 2005. The North American Arctic Transect: Patterned ground ecosystems across the full arctic bioclimate gradient. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C24A-03. (C24A-03) (Presentation)
    20. Walker, D.A., Epstein, H.E., Jia, G.J., Bhatt, U.S., Romanovsky, V., Comiso, J., Kaplan, J., Markon, C.J., Leibman, M.E., Moskalenko, N.G., Forbes, B., Kofinas, G.P., Tarnocai, C.T., Ping, C.L., Maier, H.A., Nolan, M., Prokein, P., Heinrichs, T.A., Grimes, J.P., Raynolds, M.K., Munger, C.A., Sharpton, V.L., Balser, A.W. 2005. Greening of the Arctic: an IPY initiative. Presented at ICARP II. Copenhagen, Denmark November 10-12. (Poster)
    21. Walker, D.A., Kade, A.N., Michaelson, G.J., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B. 2005. Biocomplexity of small periglacial patterned-ground forms: Polygenetic formation of surface forms along the Arctic bioclimate gradient. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, VA March 21 - 23.
    22. Walker, D.A., Raynolds, M.K., Maier, H.A. 2005. Circumpolar Arctic Vegetation Map: application for a plant-community-level map. Presented at Arctic Network Terrestrial Scoping Workshop. Fairbanks, AK April 26 - 28. (Presentation)
  1. 2004

    1. Chappell, G.G., Brody, B., Webb, P., Chord, J., Romanovsky, V., Tipenko, G. 2004. Virtual Reality Visualization of Permafrost Dynamics Along a Transect Through Northern Alaska. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:C43B-0231. (C43B-0231) (Presentation)
    2. Gould, W.A., Walker, D.A., Raynolds, M.K., Daniels, F.J.A., Elvebakk, A., Matveyeva, N. 2004. Variation in plant community composition along topographic and climatic gradients in the Canadian Arctic: results of the CAVM Canadian transect. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
    3. Hinzman, L.D., Bettez, N., Bolton, W.R., Chapin, F.S., III, Dyurgerov, M.B., Fastie, C.L., Griffith, B., Hollister, R.D., Hope, A., Huntington, H.P., Jensen, A.M., Jia, G.J., Jorgensen, T., Kane, D.L., Klein, D.R., Kofinas, G.P., Lynch, A.H., Lloyd, A.H., Nolan, M., Oechel, W.C., Osterkamp, T.E., Racine, C.H., Romanovsky, V.E., Stone, R.S., Stow, D.A., Sturm, M., Tweedie, C.E., Vourlitis, G.L., Walker, M.D., Walker, D.A., Webber, P.J., Welker, J.M., Yoshikawa, K. 2004. Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:GC51A-1052. (GC51A-1052) (Presentation)
    4. Kade, A., D.A. Walker, Raynolds, M.K. 2004. Classification and ordination of frost-boil ecosystems along a climate gradient in the Low Arctic, Alaska. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
    5. Kuss, P. 2004. Cassiope tetragona - Dryas integrifolia Non-acidic Snowbed Communities Along the Thompson River, Banks Island, Canada. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6. (Poster)
    6. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2004. A coupled thermo-mechanical model of differential frost heave. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:C13B-0282. (C13B-0282) (Presentation)
    7. Raynolds, M.K., Walker, D.A. 2004. The Circumpolar Arctic Vegetation Map: Analysis of distribution and NDVI of vegetation types. Presented at 8th Circumpolar Symposium on Remote Sensing of Polar Environments. Chamonix, France June 8 - 12.
    8. Raynolds, M.K., Walker, D.A., Maier, H.A. 2004. Plant-community-level mapping of Alaska based on the Circumpolar Arctic Vegetation Map. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2 - 6.
    9. Tipenko, G.S., Marchenko, S., Romanovsky, V.E., Groshev, V., Sazonova, T. 2004. Spatially Distributed Model of Permafrost Dynamics in Alaska. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:C12A-02. (C12A-02) (Presentation)
    10. Walker, D.A. 2004. Greening of the Arctic: A transect to monitor terrestrial change across the full Arctic bioclimate gradient. Presented at IPY Workshop. Fairbanks, AK November 29. (Presentation)
    11. Walker, D.A., Epstein, H.E., Kuss, P., Michaelson, G., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Tarnocai, C.T. 2004. Interactions of multiple factors for patterned-ground features across the Arctic bioclimate gradient. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:F424. (C12A-07) (Presentation)
    12. Walker, D.A., Raynolds, M.K., Maier, H.A., Team, C. 2004. A Vegetation Map of the Arctic Tundra Biome (1:1,750,000 scale): Overview, methods, legend and analysis. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
  1. 2003

    1. Epstein, H.E., Calef, M., Jia, G.J., Chapin, F.S., III, Walker, D.A., Walker, M.D., Starfield, A. 2003. Dynamics of Vegetation and Soils in Arctic Tundra Ecosystems. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    2. Gonzalez, G. 2003. Biocomplexity of Frost boil Ecosystems: Educational Component. Presented at Toolik Field Station, AK June 30 - July 15. (PDF)
    3. Gould, W.A., Gonzalez, G., Walker, D.A. 2003. Integrating research and education in a study of Arctic frost-boil ecosystems. AGU Fall Meeting, San Francisco, CA, December 8 - 12, 84:ED21B-1218. (ED21B-1218) (Presentation)
    4. Gould, W.A., Gonzalez, G., Walker, D.A. 2003. Biocomplexity of Frost-boil Ecosystems: Integrating science and education. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, Virginia 14 - 17 September. (Poster)
    5. Gould, W.A., Quijano, A., Gonzalez, G., Walker, D.A. 2003. Variation in frost-boil morphology and associated vegetation characteristics along a climatic gradient. AGU Fall Meeting, San Francisco, CA, December 8-12, 84:B31C-0311. (B31C-0311)
    6. Kade, A. and D.A. Walker 2003. Experimental Alteration of Vegetation Canopy and the Effects on Cryoturbation Regime. Presented at 54th Arctic Science Conference. Fairbanks, AK 22 - 24 September. (Poster)
    7. Kade, A.N., Walker, D.A. 2003. Experimental Alteration of Plant Canopy and the Effects on Cryoturbation Regime. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    8. Kade, A.N., Walker, D.A. 2003. Manipulation of vegetation canopy and the effects on cryoturbation regime in Alaskan Arctic tundra. Presented at 54th Arctic Science Conference. Fairbanks, AK 22-24 September. (Poster)
    9. Kelley, A.M., Epstein, H.E. 2003. Plant Community and Nitrogen Cycling in Arctic Frost-Boil Ecosystems. Presented at Toolik Field Station, AK June 30 - July 15. (PDF)
    10. Krantz, W.B. 2003. Geophysical Self-Organization as an Indicator of Global Climate Change. Presented at Toolik Field Station, AK June 30 - July 15. (PDF)
    11. Michaelson, G.J., Ping, C.L., Walker, D.A. 2003. Biogeochemistry of Soils Associated with Cryptogamic Crusts on Frost Boils. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    12. Munger, C.A., Walker, D.A. 2003. Vegetation of the upper Kuparuk River region in relationship to glacial geology and surficial geomorphology. Presented at 54th Arctic Science Conference. Fairbanks, AK 22-24 September. (Poster)
    13. Nicolsky, D.J., Tipenko, G.S., Romanovsky, V.E. 2003. Developing a numerical model of frost boils dynamics. AGU Fall Meeting, San Francisco, CA, December 8-12, 84:C21B-0813. (C21B-0813)
    14. Peterson, R.A., Walker, D.A., Romanovsky, V.E., Knudson, J.A., Raynolds, M.K., Krantz, W.B. 2003. A differential frost heave model: cryoturbation-vegetation interactions. Proceedings of the Eighth International Conference on Permafrost. Lisse, 21-25 July, 2:885-890. (Complete set of PDFs) (Presentation)
    15. Ping, C.-L., Michaelson, G.J., Overduin, P.P., Stiles, C.A. 2003. Morphogenesis of frost boils in the Galbraith Lake area, arctic Alaska. Eighth International Conference on Permafrost Extended Abstracts. Zurich, Switzerland, July 21 - 25, 2:897-900. (Poster)
    16. Ping, C.L., Michaelson, G.J., Kimbel, J.M., Shur, Y.L., Walker, D.A. 2003. Morphogenesis of Soils Associated with Frost Boils. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    17. Raynolds, M.K., Burian, J.C., Walker, D.A., Maier, H.A. 2003. Relationship between plant biomass and arctic tundra bioclimate subzones based on the Circumpolar Arctic Vegetation Map. Presented at 54th Arctic Science Conference. Fairbanks, AK 22 - 24 September. (Poster)
    18. Romanovsky, V. 2003. Permafrost, Active Layer, Soil Temperature and Moisture, Frost Heave and other Things. Presented at Toolik Field Station, AK June 30. (PDF)
    19. Shur, Y.L., Ping, C.L. 2003. The Driving Force of Frost Boils and Hummocks Formation. AGU Fall Meeting, San Francisco, CA, December 8-12, 84:C21B-0823. (C21B-0823) (Presentation)
    20. Tarnocai, C. 2003. Banks Island Photos. Presented at Toolik Field Station, AK June 30. (PDF)
    21. Tarnocai, C.T. 2003. Geology and Soils. Presented at Toolik Field Station, AK June 30. (PDF)
    22. Walker, D.A. 2003. Biocomplexity of frost-boil ecosystems: 2003 Expedition to Banks Island. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK 2003. (Presentation)
    23. Walker, D.A., Balser, A.W., Maier, H.A., Sharpton, V.L. 2003. Towards a Web-based Arctic Geographic Information System: A hierarchic GIS geobotanical atlas for the Toolik Lake-Kuparuk River region. Presented at SEARCH. unknown . (Presentation)
    24. Walker, D.A., Kade, A.N., Michaelson, G., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., González, G., Krantz, W.B., Tarnocai, C.T. 2003. Biocomplexity of frost boil ecosystems: 2003 expedition to Banks Island and Prince Patrick Island, Canada. Presented at 54th Arctic Science Conference. Fairbanks, Alaska 22 - 24 September. (Presentation)
    25. Walker, D.A., Kade, A.N., Michaelson, G.J., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B., Tarnocai, C.T. 2003. Biocomplexity of Frost-Boil Ecosystems: Models for self-organization across the Arctic Bioclimate Gradient. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, VA 14 - 17 September.
    26. Walker, D.A., Raynolds, M.A., Moskalenko, N.G., Team, C. 2003. A physiognomic-based circumpolar Arctic Vegetation map. Eighth International Conference on Permafrost Extended Abstracts. Zurich, Switzerland, July 21 - 25, 177-178. (Poster)
    27. Walker, D.A., Raynolds, M.K., Maier, H.A. 2003. The Circumpolar Arctic Vegetation Map: A tool for analysis of change in permafrost regions. AGU Fall Meeting, San Francisco, CA, December 8 - 12, 84:C11E-05. (C11E-05) (Presentation)
  1. 2002

    1. Cushing, E.E., Walker, D.A., Kade, A.N., Kelley, A.M. 2002. Differences in vegetation and thaw depths of frost boils and interboils of acidic and non-acidic tundra. Presented at 53rd Alaska Science Conference of the American Association for the Advancement of Science Arctic Division, Fairbanks, AK, September 18-21, 2002. (Poster)
    2. Kade, A.N., Walker, D.A. 2002. Vegetation and Cryoturbation Interactions in Alaskan Arctic Tundra. Presented at 53rd Alaska Science Conference of the American Association for the Advancement of Science Arctic Division. Fairbanks, AK September 18-21. (Poster)
    3. Kade, A.N., Walker, D.A. 2002. Experimental investigation of vegetation and cryoturbation interactions in Alaskan arctic tundra. Presented at 53rd Arctic Science Conference. Fairbanks, AK 18-21 September. (Poster)
    4. Knudson, J.A., Walker, D.A., Epstein, H.E., Jia, G.J., Raynolds, M.K., Copass, C.D., Edwards, E.J., Hollingsworth, J., Kiesz, L., Moody, A., Wirth, D. 2002. Synthesis of the Effects of the Climate Gradient and Substrate on Vegetation in the Alaskan Arctic at the ATLAS Sites: 1998-2001. Presented at ARCSS All-Hands Workshop. Seattle, WA February 20. (Poster)
    5. Michaelson, G.J., Ping, C.L., Walker, D.A. 2002. Biogeochemistry of Soils Associated with Cryptogamic Crusts on Frost Boils. AGU Fall Meeting, San Francisco, CA, December 6-10, 83:F260. (B12A-0778)
    6. Ping, C.-L., Michaelson, G.J., Kimble, J., Shur, Y.L., Walker, D.A. 2002. Morphogenesis of soils associated with frost boils. AGU Fall Meeting, San Francisco, CA, December 6-10, 83:F259. (B12A-0775) (Proceedings)
    7. Raynolds, M.K., Ananjeva, G.V., Drozdov, D.S., Daniëls, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Korostelev, Y.V., Maier, H.A., Markon, C.J., Moskalenko, N., Talbot, S.S., Walker, D.A. 2002. Second Draft of the Circumpolar Arctic Vegetation Map. Presented at ARCSS All-Hands Workshop. Seattle, WA February 20. (Presentation)
    8. Raynolds, M.K., Walker, D.A. 2002. Draft of the Circumpolar Arctic Vegetation Map. Presented at 53rd Arctic Science Conference. Fairbanks, AK September 18-21. (Presentation)
    9. Walker, D.A. 2002. Active-layer-vegetation interactions: The Circumpolar Arctic Vegetation Map and a network of active layer monitoring sites as part of the Biocomplexity in the Environment initiative. Presented at Circumpolar Active Layer Monitoring (CALM) Workshop. Lewes, Delaware November 11 - 15. (Presentation)
    10. Walker, D.A., Epstein, H.E., Gould, W.A., Krantz, W.B., Tipenko, G., Ping, C.L., Romanovsky, V., Walker, M.D. 2002. Biocomplexity of Frost-boil Ecosystems. Presented at Artic Forum. Washington, D. C. May 16-17. (Presentation)
    11. Walker, D.A., Epstein, H.E., Gould, W.A., Krantz, W.B., Tipenko, G., Ping, C.L., Romanovsky, V., Walker, M.D. 2002. Biocomplexity of Frost-boil Ecosystems. Presented at 53rd Arctic Science Conference. Fairbanks, AK September 18-21. (Presentation)
    12. Walker, D.A., Jia, G.J., Epstein, H.E., Shiklomanov, N.I., Nelson, F.E., Hinzman, L.D., Romanovsky, V.E. 2002. Vegetation-soil-active layer relationships along a low-arctic bioclimate gradient, Alaska. AGU Fall Meeting, San Francisco, CA, December 6-10, 83:B72D-02. (B72D-02) (Presentation)
    13. Walker, D.A., Knudson, J.A. 2002. Biocomplexity of frost boil ecosystems. Presented at 53rd Arctic Science Conference. Fairbanks, AK September 18-21. (Presentation)
    14. Walker, D.A., Raynolds, M.K., Maier, H.A., Murray, D.F., Markon, C.J., Talbot, S.S., Gould, W.A., Bliss, L.C., Edlund, S.A., Zoltai, S.C., Daniels, F.J.A., Wilhelm, M., Bay, C., Einarsson, E., Gundjonsson, G., Moskalenko, N.G., Ananjeva, G.V., Drozdov, D.S., Konchenko, L.A., Korostelev, Y.V., Melnikov, E., Ponomareva, O.E., Katenin, A.E., Kholod, S.S., Matveyeva, N.V., Safranova, I.N., Shelkunova, R., Yurtsev, B.A., Polezhaev, A.N., Elvebakk, A., Johansen, B.E., Trahan, N.G., Charron, T.M. 2002. Draft of the Circumpolar Arctic Vegetation Map. Presented at 53rd Alaska Science Conference of the American Association for the Advancement of Science Arctic Division. Fairbanks, AK September 18-21. (Presentation)
    15. Walker, D.A., V.E. Romanovsky, Krantz, W.B. 2002. Cryoturbation-ecosystem interactions: Field observations and experiments to validate a new model of frost-boil formation and its relevance to climate change. Presented at IARC/CIFAR PI Final Results Meeting. Boulder, CO October 20 - 22. (Presentation)
    16. Walker, D.A., V.E. Romanovsky, W.B. Krantz, C.L. Ping, R.A. Peterson, M.K. Raynolds, H.E. Epstein, G.J. Jia, Wirth, D.C. 2002. Biocomplexity of frost boil ecosystems on the Arctic Slope, Alaska. Presented at 14th Annual Meeting and Arctic Forum. Arlington, VA May 16 - 17. (Presentation)
  1. 2001

    1. Gould, W.A., Raynolds, M.K., Walker, D.A. 2001. Vegetation Characteristics Derived from an Integrated Vegetation Complex Map for the Canadian Arctic. Arctic GIS Workshop. Seattle, WA, 22-24 January. (Abstract) (Poster)
    2. Gould, W.A., Raynolds, M.K., Walker, D.A., Edlund, S.A. 2001. Canadian Arctic vegetation and ecosystem properties. Presented at Fourth International Circumpolar Arctic Vegetation Mapping Workshop. Moscow, Russia April 10-13. (Presentation)
    3. Jia, G.J., Epstein, H.E., Walker, D.A., Burian, J.C., Maier, H.A., Raynolds, M.K., Riedel, S.M. 2001. Patterns of NDVI in Arctic Tundra from Local to Circumpolar Scales. Presented at LAII All Hands Meeting. Salt Lake City, UT 14-17 November. (Poster)
    4. Knudson, J.A., Hollingsworth, J., Maier, H.A., Raynolds, M.K., Walker, D.A. 2001. A framework for a web-based GIS for a circumpolar arctic geobotanical atlas. Presented at Arctic GIS Workshop. Seattle, WA 22-24 Jan. (Poster)
    5. Raynolds, M.K., Ananjeva, G.V., Drozdov, D.S., Daniels, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Korostelev, Y.V., Maier, H.A., Markon, C.J., Moskalenko, N.G., Talbot, S.S., Walker, D.A., Wilhelm, M. 2001. First draft of the Circumpolar Arctic Vegetation Map. Presented at LAII All Hands Meeting. Salt Lake City, UT 14-17 November .
    6. Raynolds, M.K., Walker, D.A., Gould, W.A., Markon, C.J. 2001. Synthesis of Alaska and Canada. Presented at Fourth International Circumpolar Arctic Vegetation Mapping Workshop. Moscow, Russia April 10-13. (Presentation)
    7. Walker, D.A. 2001. Circumpolar Arctic Vegetation Map: Plan for Synthesis. Presented at unknown. unknown . (Presentation)
    8. Walker, D.A. 2001. Welcome, history, progress, and future of the CAVM. Presented at Fourth International Circumpolar Arctic Vegetation Mapping Workshop. Moscow, Russia April 10-13. (Presentation)
    9. Walker, D.A., Burian, J.C., Epstein, H.E., Gould, W.A., Jia, G.J., Maier, H.A., Raynolds, M.K. 2001. Controls on Arctic NDVI Patterns: a Zonal Analysis. AGU Fall Meeting. San Francisco, CA, December 10-14, 82:B22C-0176. (B22C-0176) (Presentation)
  1. 2000

    1. Borner, A.P., Walker, M.D. 2000. Effects of snowpack on thaw depth and growth of Salix pulchra at the Toolik Snowfence Experiment and a natural snowbed. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    2. Copass, C., Beringer, J., McGuire, A.D., Chapin, F.S., III, Walker, D.A. 2000. Characterization of Vegetation Biomass and Structure Along a Gradient from Tundra to Forest at Treeline in Council, Alaska. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B72B-09. (B72B-09) (Poster)
    3. George, S., Hay, B., Knudson, J., Maier, H.A., Nance, K., Raynolds, M.K., Walker, D.A. 2000. The University of Alaska Fairbanks: A member of an Arctic GIS community. Presented at Arctic GIS Workshop. Seattle, WA January 22 - 24. (Presentation)
    4. Gould, W.A., D.A. Walker, Raynolds, M.K. 2000. Canadian transect and mapping for the Circumpolar Arctic Vegetation Map. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    5. Gould, W.A., Raynolds, M.K., Walker, D.A. 2000. Vegetation Characteristics Derived from an Integrated Vegetation Complex Map for the Canadian Arctic. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B72B-13. (B72B-13)
    6. Gould, W.A., Raynolds, M.K., Walker, D.A., Maier, H.A., Edlund, S.A., Zoltai, S.C. 2000. Canadian arctic vegetation: An integrated vegetation complex map for the Circumpolar Arctic Vegetation Mapping project. Presented at 6th Circumpolar Symposium on Remote Sensing of Polar Environments. Yellowknife, NWT, Canada 12-14 May. (Poster)
    7. Jia, G.J., Epstein, H.E., Walker, D.A. 2000. Spatial and intraseasonal characteristics of AVHRR-NDVI for the arctic tundra in northern Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA 23-26 February. (Poster)
    8. Moody, A., Edwards, E.J., Walker, D.A., Epstein, H.E., Jia, G.J., Ping, C.L., Michaelson, G.J., Hinzman, L.D. 2000. A western Alaska transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids at Barrow, Atqasuk, Oumalik, and Ivotuk, Alaska, 1999. Presented at ARCSS LAII Science Workshop. Seattle, WA 23-26 February. (Poster)
    9. Muller, S.V., D.A. Walker, Moody., A. 2000. Accuracy assessment of a MSS-derived landcover map of Northern Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    10. Ping, C.L., Michaelson, G.J., Dai, X., Everett, L., Kimble, J.M., Walker, D.A. 2000. Characteristics of Soils Associated With ATLAS Sites in Western Alaska. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B72B-15. (B72B-15)
    11. Riedel, S.M., Epstein, H.E., Walker, D.A. 2000. Biotic controls on spectral reflectance indices of tundra vegetation. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B71D-11. (B71D-11)
    12. Riedel, S.M., Epstein, H.E., Walker, D.A., Richardson, D.L., Calef, M.P. 2000. Seasonal variations in NDVI, LAI, and biomass on four tundra vegetation types at Ivotuk, Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    13. Walker, D.A., Epstein, H.E., Jia, J.G., Edwards, E.J., Moody, A. 2000. Climate, Vegetation, Soil, and Spectral Reflectance Patterns Across Zonal Vegetation Boundaries in Arctic Alaska. AGU Fall meeting, San Francisco, CA, December 15-19, 81:F223. (B71F-08) (Presentation)
    14. Walker, D.A., Gould, W.A., Maier, H.A., Raynolds, M.K., Board., C.E. 2000. An AVHRR-image-based Circumpolar Arctic Vegetation Map: A hierarchical approach using image intepretation and integrated mapping methods. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    15. Walker, D.A., Gould, W.A., Maier, H.A., Raynolds, M.K., Muller, S.V. 2000. The Circumpolar Arctic Vegetation Map: Environmental controls, AVHRR-derived base maps, and integrated mapping procedures. Presented at 6th Circumpolar Symposium on Remote Sensing of Polar Environments. Yellowknife, NWT, Canada 12-14 May. (Presentation)
    16. Walker, D.A., V.E. Romanovsky, W.B. Krantz, al., e. 2000. Cryoturbation-ecosystem interactions: project overview and first field season results. Presented at IARC/CIFAR Principal Investigators Meeting. Fairbanks, AK October 23 - 25. (Poster)
  1. 1999

    1. Walker, D.A., Anderson, J.A., Lillie, A.C. 1999. A western Alaska transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids at Barrow, Atqasuk, and Ivotuk, Alaska, 1998. Presented at ARCSS LAII Science Workshop. Seattle, WA March 11-13. (Poster)
  1. 1998

    1. Walker, D.A. 1998. Welcome, History, and Goals of the 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Presented at 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Anchorage, AK June 3-7. (Presentation)
    2. Walker, D.A. 1998. An Integrated Vegetation Map for Northern Alaska: A Prototype for Circumpolar Arctic Vegetation Mapping. Presented at 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Anchorage, AK June 3-7. (Presentation)
    3. Walker, D.A. 1998. An integrated vegetation mapping approach for the Circumpolar Arctic Vegetation Map. Presented at 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Anchorage, AK June 3-7. (Presentation)
    4. Walker, D.A., J.G. Bockheim, F.S. Chapin, W. Eugster, F.E. Nelson, Ping, C.L. 1998. Calcium-rich tundra and its importance to wildlife: Past, present, and future. Presented at 49th Annual Arctic Science Conference. Fairbanks, AK October 25 - 28. (Poster)
    5. Walker, D.A., Walker, M.D., Welker, J.M., Arft, A.M., Bardsley, T., Brooks, P.D., Fahnestock, J.T., Jones, M.H., Losleben, M., Parsons, A.N., Seastedt, T.R., Turner, P.L. 1998. Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra: An integrated ecosytem approach. Presented at International Conference on Snow Hydrology: The integration of physical, chemical, and biological systems. Brownsville, VT 6-9 October. (Presentation)
  1. 1997

    1. Gould, W.A., Walker, M.D., Walker, D.A., Edmands, T., Dornfield, M.A., Auerbach, N.A., Nettleton, T.K., Muller, S.V. 1997. Decade-scale changes in vegetation in the Brooks Range, Southern Alaska Foothills, Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA 27-29 March. (Poster)
    2. Muller, S.V., D.A. Walker, N.A. Auerbach, J. Bockheim, S. Guyer, F. Nelson, Sherba, D. 1997. Accuracy assessment of a landcover map of the Kuparuk River basin, Alaska. Presented at ARCSS-LAII Science Workshop. Seattle, WA March 27 - 29. (Poster)
    3. Walker, D.A. 1997. A Circumpolar Arctic Vegetation Map: Statement of purpose, plan for action and an early application to Northern Alaska. Presented at 40th International Association for Vegetation Science. Ceske Budejowice, Czech Republic 18-23 August.
    4. Walker, D.A. 1997. Moist nonacidic tundra: possible causes and significance to Beringian paleoenvironments. Presented at Beringian Paleoenvironments Workshop. Florissant, CO September 20 - 23. (Presentation)
    5. Walker, D.A. 1997. Climatic, topographic, and substrate controls over distribution of arctic vegetation. Presented at Extrapolation of Arctic and Boreal Processes that Feedback to Climate Workshop. Santa Barbara, CA April 6 - 9. (Presentation)
    6. Walker, D.A. 1997. Mapping of northern Alaska: methodology, legend, results, problems. Presented at CAVM-North American Workshop. Anchorage, AK January 14 - 16. (Presentation)
    7. Walker, D.A., Auerbach, J.G., Bockheim, F.S., Chapin III, W. Eugster, J. McFadden, G.J. Michaelson, F.E. Nelson, C.L. Ping, W.S. Reeburg, S. Regli, Shiklomanov., N.I. 1997. Moist nonacidic tundra: relevance to arctic land-atmosphere fluxes, wildlife, and human dimensions of arctic systems. Presented at ARCSS-LAII Science Workshop. Seattle, WA March 27 - 29. (Presentation)
    8. Walker, D.A., M. D. Walker, A.M. Arft, J.M. Welker, M.H. Jones, J.T. Fahnstock, P.D. Brooks, T.R. Seastedt, A.N. Parsons, Turner, T.L. 1997. Long-term snow-fence experiments to examine effects of altered climate in arctic and alpine tundra. Presented at Western Snow Conference and Eastern Snow Conference. Banff, Alberta May 4 - 8. (Poster)
    9. Walker, D.A., N.A. Auerbach, Kohn, M.J. 1997. A circumpolar arctic vegetation map: statement of purpose, plan for international collaboration, and a prototype map for northern Alaska. Presented at ARCSS-LAII Science Workshop. Seattle, WA March 27 - 29. (Poster)
  1. 1996

    1. Auerbach, N.A., Walker, D.A. 1996. Modern Vegetation Patterns at Barrow and Barter Island: Relevance to Disturbance and Recovery, and Paleoenvironmental Studies. Presented at 26th Annual Arctic Workshop. Boulder, CO March 14 - 16. (Poster)
    2. Auerbach, N.A., Walker, D.A. 1996. An electronic hierarchic geobotanical atlas for arctic system science. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway, and Anchorage, AK, 19-24 May 1996/14-16 January 1997, Occasional Paper No. 52:26-27. (Purchase proceedings) (Presentation)
    3. Brown, J., F.E. Nelson, D.A. Walker, Marion., G.M. 1996. A Circumpolar Active Layer Monitoring (CALM) Program. Presented at Arctic System Science Flux Study Workshop. Seattle, WA February 22 - 24. (Poster)
    4. Murray, D.F., Walker, D.A. 1996. ''Tundra'' and the ''Arctic''. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway and Anchorage, AK, 19-24 May 1996/14-16 January 1997, 52:14-15. (Purchase proceedings) (Presentation)
    5. Walker, D.A. 1996. Method for making an integrated vegetation map of northern Alaska (1:4,000,000 scale). Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway and Anchorage, AK, 19-24 May 1996/14-16 January 1997, 52:54-61. (Purchase proceedings) (Presentation)
    6. Walker, D.A. 1996. Progress since the first CAVM workshop and goals of the second. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway, and Anchorage, AK, 19-24 May 1996/14-16 January 1997, Occasional Paper No. 52:1-6. (Purchase proceedings) (Presentation)
    7. Walker, D.A., Auerbach, N.A., Lestak, L.R., Muller, S.V., Walker, M.D. 1996. A hierarchic GIS for studies of process, pattern, and scale in arctic ecosystems: the Arctic System Science Flux Study, Kuparuk River Basin, Alaska. Presented at ESRI ARC/INFO Users' Conference. Palm Springs, CA May 20-24. (Poster)
    8. Walker, D.A., M. D. Walker, N.A. Auerbach, L.R. Lestak, Muller., S. 1996. A Landsat-derived landcover map of the Kuparuk River Basin, Alaska: a component of hierarchic GIS for the study of arctic land-atmosphere interactions. Presented at Arctic System Science Flux Study Workshop. Seattle, WA February 22 - 24. (Poster)
    9. Walker, D.A., N.A. Auerbach, J.G. Bockheim, C.-L. Ping, G. Michaelson, F.E. Nelson, N.I. Shiklomanov, G.R. Mueller, F.S. Chapin III, W. Eugster, J. McFadden, K.R. Everett, L. Everett, K. Hinkel, L. Miller, W.S. Reeburgh 1996. Studies of process, pattern and scale in arctic ecosystems. AGU Fall Meeting, San Francisco, CA, December 13-16. (Presentation)
    10. Walker, D.A., Walker, M.D., Auerbach, N.A., Lestak, L.R., Muller, S.V. 1996. A Hierarchic GIS for Studies of Process, Pattern and Scale for the Kuparuk River Basin: a contribution to the Arctic System Science (ARCSS) Flux Study. Presented at 26th Annual Arctic Workshop. Boulder, CO 14-16 March. (Poster)
    11. Walker, D.A., and S.S. Talbot 1996. Progress toward circumpolar arctic vegetation mapping. Presented at Alaska Surveying and Mapping Conference. Anchorage, Alaska February 5 - 9.
  1. 1995

    1. Brown, J., F.E. Nelson, Walker, D.A. 1995. Circumarctic active layer monitoring (CALM): an international contribution to ITEX. Presented at 6th International Tundra Experiment (ITEX) Workshop. Ottawa, Canada April 7 - 11. (Presentation)
    2. Walker, D.A. 1995. A review of disturbance and recovery of Arctic Alaska vegetation related to oil-field development. Presented at Disturbance and Recovery of Arctic Terrestrial Ecosystems workshop. Rovaniemi, Finland September 24 - 30. (Presentation)
    3. Walker, D.A., M. D. Walker, N.A. Auerbach, L.R. Lestak, B.E. Lewis, D.S. Schimel, Shippert, M.M. 1995. A hierarchic GIS for studies of process, pattern and scale in arctic ecosytems. Presented at ARCSS-LAII Science Workshop. Orcas Island, Washington March 1 - 5. (Presentation)
    4. Walker, D.A., M. Walker, N. Auerbach, L. Lestak, B. Lewis, Rose, K. 1995. A vegetation map of the upper Kuparuk River region, Alaska: a component of a hierarchic GIS for studies of arctic land-atmosphere interactions. Presented at Tenth Annual ESRI European User Conference. Palm Springs, CA May 22 - 26.
    5. Walker, D.A., N. Auerbach, M. Walker, J. Brown, K. Everett, L. Hinzman, F. Nelson, Moskolenko, N. 1995. Monitoring change in arctic terrestrial ecosystems at multiple scales. Workshop to define research priorities for Russian Arctic land-shelf systems. Columbus, OH, January 10-12, 118-120. (Presentation)
  1. 1994

    1. Brooks, P., Williams, M.W., Walker, D.A., Schmidt, S.K. 1994. Nitrous oxide and carbon dioxide flux from snow covered soils: responses to changes in precipitation and temperature. AGU Fall Meeting, San Francisco, December 5-9. (Poster)
    2. Everett, K.R., Brown, J., Walker, D.A., Webber, P.J. 1994. Long-term natural recovery of development related disturbances in northern Alaska. The industrial development of the North and problem of recultivation. Syktyvkar, USSR, July 8-14.
    3. Shippert, M.M., Walker, D.A., Auerbach, N.A. 1994. Biomass and leaf-area index maps derived from SPOT images for the Toolik Lake and Imnavait Creek area, Alaska. Presented at Third Circumpolar Symposium on Remote Sensing of Arctic Environments. Fairbanks, AK 16-20 May. (Presentation)
    4. Suding, P.W., Krantz, W.B., Walker, D.A., Lewis, B.E. 1994. Field Study of the Effect of Increased Snow Depth on Frost Penetration. Presented at 70th Annual Meeting of the Southwestern and Rocky Mountain Division of the American Association for the Advancement of Science. Durango, Colorado May 22 - 26. (Presentation)
    5. Walker, D.A. 1994. Background and goals of the Circumpolar Arctic Vegetation Mapping Workshop. Presented at Circumpolar Arctic Vegetation Mapping Workshop. Komarov Botanical Institute, St. Petersburg, Russia March 21-25. (Presentation)
    6. Walker, D.A. 1994. A hierarchic geographic information system for northern Alaska: insights toward a circumpolar arctic vegetation map. Presented at Circumpolar Arctic Vegetation Mapping Workshop. Komarov Botanical Institute, St. Petersburg, Russia March 21-25. (Presentation)
    7. Walker, D.A., Auerbach, N.A., Lewis, B.E., Shippert, M.M. 1994. Remote sensing of acid and nonacid tundra regions in northern Alaska and relevance to arctic landscape succession. Presented at Third Circumpolar Symposium on Remote Sensing of Arctic Environments. Fairbanks, Alaska May 16-20. (Presentation)
    8. Walker, D.A., M. D. Walker, L.R. Lestak, K.R. Everett, Webber, P.J. 1994. Application of geographic information systems to the problem of cumulative impacts in the Prudhoe Bay Oil Field, Alaska. The industrial development of the North and problem of recultivation. Syktyvkar, USSR, July 8-14, 1991, 151. (Full proceedings) (Presentation)
    9. Walker, M.D., Walker, D.A., Auerbach, N.A. 1994. Classification and gradient analysis of upland tussock tundra vegetation, Southern Arctic Foothills, Alaska. Presented at 1994 Annual Meeting of the Ecological Society of America. Knoxville, TN August 7-11. (Presentation)
  1. 1993

    1. Duguay, C.R., Walker, D.A. 1993. Environmental modeling and monitoring at the Niwot LTER site: an overview of recent research activities using GIS. Second International Conference/Workshop on Integrating Geographic Information Systems and Environmental Modeling. Breckenridge, CO, September. (Presentation)
    2. Price, E.T., Krantz, W.B., Walker, D.A. 1993. Thermal characteristics and frost penetration rate of alpine soils with diffrential snow cover. Presented at Southwestern and Rocky Mountain Division, AAAS 69th annual meeting. Albuquerque, NM May 23 - 27.
    3. Walker, D.A. 1993. Long-term research in the alpine: overview of the Long-Term Ecological Resarch (LTER) project and the International Tundra Experiment (ITEX). Presented at Wildlife Institute of India. Dehradun, India October 21. (Presentation)
    4. Walker, D.A. 1993. Hierarchic geographic information systems: applications to alpine research, disturbance studies, and climate change. Presented at Wildlife Institute of India. Dehradun, India October 21. (Presentation)
    5. Walker, D.A., Krantz, W.B., Lewis, B.L., Price, E.T., Tabler, R.T. 1993. Hierarchic studies of snow-ecosystem interactions: a 100-year snowpack-alteration experiment. Proceedings of the 50th Eastern Snow Conference 61st Western Snow Conference. Quebec City, Quebec, June 8-10, 407-414. (Online Proceedings) (Presentation)
    6. Walker, D.A., W.B. Krantz, B.E. Lewis, E.T. Price, R.D. Tabler, M. D. Walker, Wessman, C.A. 1993. Multi-scale studies of snow-vegetation interactions in the alpine zone. Presented at International Workshop on Snow Ecology. Quebec City, Canada June 3 - 7. (Presentation)
  1. 1992

    1. Walker, D.A. 1992. Hierarchical geographic information systems for the Arctic. Presented at International workshop on classification of circumpolar arctic vegetation. Boulder, CO March 5 - 9. (Presentation)
    2. Walker, D.A., M. D. Walker, N.A. Auerbach, Lestak, L.R. 1992. A Hierarchical GIS for modeling tundra ecosystem processes. Presented at 12th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    3. Walker, M.D., Walker, D.A. 1992. Classification and gradient analysis of the Brooks Range Foothills, Alaska. Presented at International workshop on classification of circumpolar arctic vegetation. Boulder, CO March 5 - 9. (Presentation)
  1. 1991

    1. Auerbach, N.A., M. D. Walker, Walker, D.A., Randolph, S. 1991. Effects of road dust disturbance in arctic tundra. Presented at 11th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    2. Auerbach, N.A., Walker, M.D., Walker, D.A. 1991. Road dust disturbance in arctic tundra soils and vegetation, Alaska, USA. Presented at 21st Arctic Workshop, Alaska Quaternary Center. Fairbanks, AK . (Poster)
    3. Auerbach, N.A., Walker, M.D., Walker, D.A. 1991. Road dust disturbance in arctic tundra soils and vegetation, Alaska, USA. Presented at 42nd Annual Arctic Science Conference. Fairbanks, AK May 14-15. (Presentation)
    4. Walker, D.A., N.D. Lederer, L.R. Lestak, E. Binnian, Nordstrand, E.A. 1991. Prudhoe Bay Oil Field, Arco Base Camp, Geobotany and Cumulative Impacts. Presented at 11th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    5. Walker, D.A., N.D. Lederer, Lestak, L.R. 1991. Niwot Ridge/Green Lakes Valley LTER Site. Presented at 11th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    6. Walker, D.A., Walker, M.D. 1991. Hierarchical GIS for analyzing ecosystem processes and climate change in the Alaskan Arctic. Presented at 21st Arctic Workshop, Mesoscale Modeling. Fairbanks, AK May 16 - 18. (Presentation)
    7. Walker, D.A., Walker, M.D., Auerbach, N.A., Lestak, L.R. 1991. A Hierarchical GIS for modeling tundra ecosystem processes. Presented at First International Conference/ Workshop on Integrating Geographic Information Systems and Environmental Modeling. Boulder, CO 15-19 September. (Poster)
    8. Walker, M.D., Walker, D.A. 1991. Toward a circumpolar vegetation classification system. Presented at 42nd Annual Arctic Science Conference. Fairbanks, AK May 14 - 15. (Presentation)
  1. 1990

    1. Auerbach, N.A., Walker, M.D., Walker, D.A., Lestak, L.R. 1990. Cumulative impact of road dust on arctic tundra: interactions among species composition, dust chemistry, and soil pH. Presented at 19th Annual Arctic Workshop. Boulder, CO March 8 - 10.
    2. Walker, D.A. 1990. Loess ecosystems in northern Alaska. Presented at 75th Annual Ecological Society of America Meeting. Snowbird, UT July 29 - August 2. (Presentation)
    3. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at 19th Annual Arctic Workshop. Boulder, CO March 8 - 10. (Poster)
    4. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at Faculty Symposium on Global Change. Boulder, CO 13-14 September. (Poster)
    5. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at International ESRI User's Conference. Palm Springs, CA 14-18 May. (Poster)
    6. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at Long-Term Ecological Research Program All Scientist Meeting. Estes Park, CO 26-29 September. (Poster)
  1. 1989

    1. Walker, D.A. 1989. Loess ecosystems of northern Alaska. Presented at Ecosystem Center, Marine Biological Laboratory. Woods Hole, MA May 17. (Presentation)
    2. Walker, D.A. 1989. A hierarchical approach to analyzing landscape change. Presented at LTER GIS training session. Boulder, CO September 23. (Presentation)
    3. Walker, D.A. 1989. A hierarchical GIS approach to examine natural and anthropogenic disturbance in the Alaskan Arctic. Presented at Arctic Division of AAAS. Fairbanks, AK September. (Presentation)
    4. Walker, D.A., J.C. Halfpenny, L.D. Lederer, M. D. Walker, L. Ayers, Wessman, C.A. 1989. A hierarchical GIS to examine long-term snow-biosystem interactions in the Colorado alpine. Presented at 1989 ESRI Users Conference. Palm Springs, CA May 22 - 26. (Third place in the Analytical Division of the Poster Competition) (Poster)
    5. Walker, D.A., L.M. Ayers, N.Caine, J.C. Halfpenny, N.D. Lederer, M. D. Walker, Wessman, C.A. 1989. GIS methods for detecting long-term change in the Colorado alpine. Presented at Fourth Annual Landscape Ecology Symposium. Fort Collins, CO March 15 - 18. (Presentation)
    6. Walker, D.A., L.M. Ayers, N.Caine, J.C. Halfpenny, N.D. Lederer, M. D. Walker, Wessman, C.A. 1989. Cumulative impacts in northern Alaska. Presented at Sigma Xi. University of Colorado February 7. (Presentation)
    7. Wessman, C.A., Ayers, L., Walker, D.A. 1989. Remotely sensed pattern to system process in the Front Range. Presented at Program review for the Cooperative Institute for Research in Environmental Sciences. Boulder, CO June 8. (Poster)
    8. Wessman, C.A., Walker, D.A., Walker, M.D. 1989. Remotely sensed pattern to process in the Front Range alpine. Presented at Fourth Annual Landscape Ecology Symposium. Fort Collins, CO 15-18 March. (Presentation)
  1. 1988

    1. Walker, D.A., Benson, C.S., Evans, B.M. 1988. Application of GIS to spatial analysis of terrain-snow-vegetation interactions. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    2. Walker, D.A., Lederer, N.D., Walker, M.D., Nordstrand, E.A., Binnian, E., Evans, B.M., Peterson, G.W., Benson, C.S. 1988. An R4D geographic information system. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    3. Walker, D.A., Walker, M.D., Lederer, N.D. 1988. Terrain and vegetation classification of the DOE R4D Imnavait Creek site. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    4. Walker, M.D., Walker, D.A., Acevedo, W. 1988. Comparison of community and regional ordinations in the northern Brooks Range foothills. Presented at Third Annual Landscape Ecology Symposium; Observations across Scales: Function and Management of Landscapes. Albuquerque, NM 16-19 March. (Presentation)
    5. Walker, M.D., Walker, D.A., Acevedo, W. 1988. Vegetation and environmental interactions at two scales on the North Slope of Alaska. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
  1. 1987

    1. Evans, B.M., Walker, D.A., Benson, C., Peterson, G., Webber, P.J., Day, R.L., Nordstrand, E. 1987. Use of a multilayered digital database to determine interrelationships between landform geometry, vegetation and climate in an arctic foothills landscape. Presented at American Institute of Biological Sciences and Ecological Society of America. Columbus, OH 10-13 August. (Presentation)
    2. Walker, M.D., Walker, D.A. 1987. Importance of landscape focal points in maintaining regional diversity: a case study of the northern Alaskan pingos. Presented at Second Annual Symposium, Regional Association, International Association for Landscape Ecology. Charlotte, NC March 9 - 11. (Presentation)
  1. 1986

    1. Slaughter, C.W., Johnson, L.A., Racine, C.H., Walker, D.A., Abele, G. 1986. Environmental response to off-road vehicle (ORV) use in permafrost affected landscapes. Presented at Seventh Conference of the Comité Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Rejkavik, Iceland September 7 - 13. (Poster)
    2. Walker, D.A. 1986. Cumulative impacts in the wetlands of northern Alaska. Presented at NASA-Ames. Palo Alto, CA April 15. (Presentation)
    3. Walker, D.A. 1986. Use of GIS Technology for examining cumulative impacts in the Prudhoe Bay Oilfield. Presented at North Slope Borough. Barrow, AK August 22. (Presentation)
    4. Walker, D.A. 1986. Vegetation and Ecology of Northern Alaska. Presented at Denver Museum of Natural History. Denver, CO 1986. (Presentation)
    5. Walker, D.A. 1986. An automated mapping approach for geobotanical maps of the DOE R4D research site near Toolik Lake, Alaska. Presented at 15th Annual Arctic Workshop. Boulder, CO April 24-26. (Poster)
    6. Walker, D.A. 1986. Roadside vegetation changes due to dust. Dalton Highway and Prudhoe Bay Spine Road, Alaska. Presented at Seventh Conference of the Comite Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Reykjavik, Iceland September 7-13. (Poster)
    7. Walker, M.D., Walker, D.A. 1986. Soil and vegetation succession on pingos, central arctic coastal plain, Alaska. Presented at Seventh Conference of the Comite Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Rejkavik, Iceland September 7-13. (Poster)
    8. Webber, P.J., Walker, D.A. 1986. Cumulative impacts and the spread of disturbance in permafrost dominated lands. Presented at Seventh Conference of the Comité Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Reykjavik, Iceland 7-13 September. (Presentation)
  1. 1984

    1. Walker, D.A., Walker, M.D., Everett, K.R., Webber, P.J. 1984. The puzzling pingos of Prudhoe Bay. Presented at 13th Annual Arctic Workshop. Boulder, CO March 15-17. (Poster)
  1. 1983

    1. Klinger, L.F., Walker, D.A., Webber, P.J. 1983. The effects of gravel roads on Alaskan Arctic Coastal Plain tundra. Fourth International Conference on Permafrost. Fairbanks, AK, 17-22 July, 628-633. (Poster)
    2. Walker, D.A. 1983. A hierarchical tundra vegetation classification especially designed for mapping in northern Alaska. Fourth International Conference on Permafrost. Fairbanks, AK, 17-22 July, 1332-1337. (PDF of all presentations) (Presentation)
  1. 1982

    1. Klinger, L.F., Walker, D.A., Webber, P.J. 1982. The effects of a gravel road on arctic coastal plain tundra. Presented at 11th Annual Arctic Workshop. Boulder, CO March 11 - 13. (Poster)
    2. Simmons, C.L., Walker, D.A., Webber, P.J. 1982. Sensitivity of selected plant communities to seawater spills, Prudhoe Bay, Alaska. Presented at 11th Annual Arctic Workshop. Boulder, CO March 11 - 13. (Poster)
    3. Walker, D.A., Acevedo, W., Webber, P.J. 1982. A LANDSAT classification and vegetation map of the northern portion of the Arctic National Wildlife Refuge, Alaska. Presented at 11th Annual Arctic Workshop. Boulder, CO March 11-13. (Poster)
  1. 1981

    1. Simmons, C.L., Walker, D.A., Webber, P.J., Everett, K.R. 1981. Sea-water tolerances of selected tundra plants of Prudhoe Bay, Alaska. Presented at 10th Annual Arctic Workshop. Boulder, CO March 12-14. (Poster)
    2. Walker, D.A., Webber, P.J., Everett, K.R., Brown, J. 1981. Geobotanical mapping of the Prudhoe Bay region, Alaska. Presented at 19th Annual Arctic Workshop. Boulder, CO 12-14 March. (Poster)
  1. 1979

    1. Walker, D.A., Webber, P.J. 1979. Salix lanata ssp. richardsonii as a climatic indicator in Northern Alaska. Presented at Arctic Workshop. Boulder, CO 4-5 May. (Poster)
  1. 1978

    1. Everett, K.R., Webber, P.J., Walker, D.A., Parkinson, R.J., Brown, J. 1978. A geoecological mapping scheme for Alaskan coastal tundra. Proceedings of the Third International Conference on Permafrost. Edmonton, Alberta, Canada, 10-13 July, 359-365. (Proceedings)
  1. 1976

    1. Webber, P.J., Walker, D.A., Komárková, V. 1976. Large scale mapping of Alaskan tundra vegetation. Presented at 27th Alaska Science Conference. Fairbanks, AK 4-7 August. (Presentation)

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