Related Publications

  1. 2019

    1. Kumpula, T., Raynolds, M.K. & Walker, D.A. 2019. Mapping of Cumulative Impacts of Oil and Gas Development in Arctic Alaska and the Yamal Peninsula. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    2. Raynolds, M.K., Walker, D.A. & Raster CAVM Team 2019. Russia portion of the new Raster Circumpolar Arctic Vegetation Map (CAVM). Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    3. Raynolds, M.K., Walker, D.A., Balser, A., Bay, C., Campbell, M., Cherosov, M.M., Daniëls, F.J.A., Eidesen, P.B., Ermokhina, K.A., Frost, G.V., et al. 2019. A raster version of the Circumpolar Arctic Vegetation Map (CAVM). Remote Sensing of Environment, 232:111297. doi:10.1016/j.rse.2019.111297
    4. Walker, D.A. (ed.) 2019. CAFF Proceeding Series Report September 2019. Arctic Vegetation Archive and Arctic Vegetation Classification: Proceedings and abstracts from two workshops 2017 and 2019. Akureyri, Iceland. (CAFF site) (Proceedings)
    5. Walker, D.A. and Peirce, J.L. 2019. RATIC / T-MOSAiC Connections and Opportunities. Workshop Report to the IASC Secretariat, 2 September. (PDF)
    6. Walker, D.A., Epstein, H.E., Sibik, J., Bhatt, U., Romanovsky, V., Breen, A.L., Chasnikova, S., Daanen, R., Druckenmiller, L.A. & (...) Timling, I. 2019. Vegetation along the 1700-km Yamal Peninsula-Franz Josef Land Eurasia Arctic Transect. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    7. Walker, D.A., Epstein, H.E., Sibik, J., Bhatt, U., Romanovsky, V.E., Breen, A.L., et al. 2019. Vegetation on mesic loamy and sandy soils along a 1700-km maritime Eurasia Arctic Transect. Applied Vegetation Science, 2019; 22:150-167. doi:1111/avsc.12401 (PDF)
    8. Walker, D.A., Peirce, J.L., Kumpula, T., Romanovsky, V., Schweitzer, P. & Vincent, W. 2019. RATIC-TMOSAiC connections and opportunities. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Presentation)
    9. Walker, D.A., Raynolds, M.K., Breen, A.L., Druckenmiller, L.A., Sibik, J., Epstein, H.E., Byatt, U.S. & Shaepman-Strub, G. 2019. Circumpolar Arctic vegetation classification, mapping, and transects: a framework for Arctic change monitoring and analysis. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)

  1. 2018

    1. Babkina, E.A., Leibman, M.O. and Khomutov, A.V. 2018. Active layer dynamics on Central Yamal, Russia due to climatic fluctuations. In: P. Deline, X. Bodin and L. Ravanel (eds.), 5th European Conference on Permafrost - Book of Abstracts, 23 June-1 July, Chamonix, France. Edytem, pp. 551-552. (Proceedings)
    2. Frost, G.V., Epstein H.E., Walker, D.A., Matyshak G., & Ermokhina, K. 2018. Seasonal and Long-Term Changes to Active-Layer Temperatures after Tall Shrubland Expansion and Succession in Arctic Tundra. Ecosystems, 21:507-520. doi:10.1007/s10021-017-0165-5
    3. Raynolds, M.K., and Walker, D.A. 2018. A raster-based circumpolar arctic vegetation map. Presented at 48th Annual International Arctic Workshop, Boulder, CO, April 5-6. (Abstract, p. 45)
    4. Walker, D.A, Epstein, H.E., Bhatt, U.S., Romanavsky, V., Raynolds, M.K., Leibman, M.O., Kumpula, T., Kofinas, G., Matyshak, G., Ermokhina, K. and Yu, Q. 2018. Yamal LCLUC Synthesis: 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 circump...Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK. (Grant NNX14AD90G) (PDF)
    5. Walker, D.A. 2018. Vegetation of the European Arctic Transect (EAT) Yamal Peninsula and Franz Jozef Land, Russia. Presented at Arctic Biomass Workshop, Longyearbyn, Svalbard, 9-12 October.
    6. Walker, D.A., Daniëls, F.J.A., Matveyeva, N.V., Sibik, J., Walker, M.D., Breen, A.L., Druckenmiller, L.A., Raynolds, M.K. & (...) Wirth, L.M. 2018. Circumpolar Arctic Vegetation Classification. Phytocoenologia, 48:181-201. doi:10.1127/phyto/2017/0192(Open Access) (PDF)
    7. Walker, D.A., Kanevskiy, M., Shur, Y., Raynolds, M., Peirce, J.L., Buchhorn, M., Ermokhina, K. and Druckenmiller, L.A. 2018. Snow, thaw, temperature, and permafrost borehole data from the Colleen and Airport sites, Prudhoe Bay, and photos of Quintillion fiber optic cable impacts, North Slope, Alaska. Alaska Geobotany Center Publication AGC 18-01. University of Alaska Fairbanks, Fairbanks, AK, 74 pp. doi:10.18739/A28K74X6T (PDF)
    8. Walker, D.A., Shur, Y., Kanevskiy, M., Raynolds, M., Kofinas, G., Romanovsky, V., et al. 2018. Cumulative effects of oilfield infrastructure and climate change in the Prudhoe Bay Oilfield, Alaska, illustrate the need for an international strategy to address rapid arctic transitions due to infrastructure and climate. Frontiers in Ecology and the Environment, submitted.

  1. 2017

    1. Bhatt, U.S. 2017. Arctic observations from the point of view of a data user. Presented at Finnish Meteorological Institute Arctic Science Networking Workshop, 30 August, Helsinki, Finland.
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K. and Epstein, H.E., 2017. Humidification of the Arctic. Effects of more open ocean water on land temperatures and tundra productivity along continental and maritime bioclimate transects (Invited). Presented at AGU Fall Meeting, 11-15 December, New Orleans, LA. (Abstract B41A-1923) (Poster)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Bieniek, P.A., Comiso, C., Pinzon, J.E. and Tucker, C.J. 2017. Humidification of the Arctic: Effects of changing sea-ice on summer land temperatures, continentality and NDVI along transects in Eurasia and North America. Presented at Svalbard Biomass Workshop, 9-12 October, Longyearbyen, Norway.
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E. and Tucker, C.J. 2017. Climate Drivers of Tundra Vegetation Greening/Browning in the Arctic. Presented at IARC Salon, April 13, Fairbanks, Alaska.
    5. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E. and Tucker, C.J. 2017. Possible causes of arctic tundra vegetation productivity declines (Invited). Presented at AGU Fall Meeting, 11-15 December, New Orleans, LA. (Abstract B43J-01)
    6. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E. and Tucker, C.J. 2017. On understanding the climate drivers of tundra vegetation greening/browning in the Arctic. Presented at Chapman Chair Symposium, September 3, Fairbanks, Alaska.
    7. 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. 2017. Changing seasonality of Pan-Arctic tundra vegetation in relation to climatic variables. Environmental Research Letters, 12:055003. doi:1088/1748-9326/aa6b0b
    8. Bratsch, S.N., Epstein, H.E., Buchhorn, M., Walker, D.A. and Landes, H.A. 2017. Relationships between hyperspectral data and components of vegetation biomass in Low Arctic tundra communities at Ivotuk, Alaska. Environmental Research Letters, 12:025003.
    9. Breen, A., Sibik, J., Druckenmiller, L., Daniels, F., Hennekens, S., Walker, M., et al. 2017. Status of the Circumpolar Alaska Vegetation Archive and the regional arctic Alaska prototype. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 038, p. 129)
    10. 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)
    11. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A., Forbes, B.C., Horstkotte, T., Macias-Fauria, M., Martin, A., Phoenix, G., Bjerke, J., Tømmervik, Hl, Fauchald, P., Vickers, H., Myneni, R. and Dickerson, C. 2017. Tundra Greenness. In: Arctic Report Card 2017. (Website)
    12. Ermokhina, K. 2017. Russian arctic datasets of releves meeting requirements for classification of vegetation using Braun-Blanquet approach. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract P 142, p. 134) (Poster)
    13. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G. and Ermokhina, K. 2017. Seasonal and long-term changes to active-layer temperatures after tall shrubland expansion and succession in arctic tundra. Ecosystems, 16, 1296. doi:1007/s10021-017-0165-5
    14. 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)
    15. Kanevskiy, M., Shur, Y., Jorgensen, T., Brown, D.R.N., Moskalenko, N., Brown, J., Walker, D.A., Raynolds, M.K. & Buchhorn, M. 2017. Degradation and stabilization of ice wedges: Implications for assessing risk of thermokarst in northern Alaska. Geomorphology, 297:20-42. doi:10.1016/j.geomorph.2017.09.001
    16. 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)
    17. 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)
    18. 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)
    19. Mård, J., Box, J.E., Brown, R., Mack, M., Mernild, S.H., Walker, D. and Walsh, J. 2017. Cross-cutting scientific issues. In: AMAP (Ed.), Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2017. Oslo, Norway: Arctic Monitoring and Assessment Programme (AMAP), pp. 231-256. (Website)
    20. 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)
    21. Romanovsky, V., Isaksen, K., Drozdov, D., Anisimov, O., Instanes, A., Leibman, M., et al. 2017. Changing permafrost and its impacts. In: AMAP (Ed.), Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2018. Oslo, Norway: Arctic Monitoring and Assessment Programme (AMAP), pp. 65-102. (Website)
    22. Romanovsky, V., Nicolsky, D., Cable, W., Kholodov, A., Farquharson, L., Panda, S., et al. 2017. Measured and modeled changes in permafrost along North American Arctic Transect. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 100, p. 141)
    23. Romanovsky, V.E., Smith, S.L., Shiklomanov, N.I., Streletskiy, D.A., Isaksen, K., Kholodov, A.L., Christiansen, H.H., Drozdov, D.S., Malkova, G.V. and Marchenko, S.S. 2017. [The Arctic] Terrestrial Permafrost [in State of the Climate in 2016]. Bulletin of the American Meteorological Society, 98:S147-S151. (Website)
    24. Walker, D.A, Epstein, H.E., Leibman, M.O., Kumpula, T., Bhatt, U.S., Romanavsky, V., Kofinas, G., Khomutov, A.V., Matyshak, G., Raynolds, M.K., Ermokhina, K. and Curry, T. 2017. Yamal LCLUC Synthesis: 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 circump...Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK. (Grant NNX14AD90G) (PDF)
    25. Walker, D.A. 2017. Sustainable Arctic Infrastructure Forum (SAIF): An IASC Cross-cutting Workshop, Prague, CZ, 3 April. Workshop Report to the IASC Secretariat, 26 April. (PDF)
    26. Walker, D.A. 2017. Arctic transects as a concept: examples from Russia & North America: what do transects offer that normal one-site studies do not?. Presented at SVAL-GREEN Workshop, 22-24 May, Longyearbyn, Svalbard.
    27. Walker, D.A. 2017. Cumulative effects of arctic oil development: planning for a sustainable future. Presented at Kuukpik UAF Workshop, UAF, Fairbanks, AK, June 5.
    28. Walker, D.A. 2017. Vegetation of the European Arctic Transect (EAT) Yamal Peninsula and Franz Jozef Land, Russia. Presented at Slovak Academy of Sciences, Institute of Botany, Bratislava, Slovak Republic, 12 April.
    29. 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)
    30. 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)
    31. Yu, Q., Epstein, H., Engstrom, R. and Walker, D. 2017. Circumpolar arctic tundra biomass and productivity dynamics in response to projected climate change and herbivory. Global Change Biology, 23:3895–3907. doi:1111/gcb.13632

  1. 2016

    1. Bratsch, S.N., Epstein, H.E., Buchhorn, M. and Walker, D.A. 2016. Differentiating among Four Arctic Tundra Plant Communities at Ivotuk, Alaska Using Field Spectroscopy. Remote Sensing, 8(1):51. doi:10.3390/rs8010051
    2. 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)
    3. 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)
    4. 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)
    5. 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)
    6. 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)
    7. 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)
    8. Frost, G.V., Epstein, H.E., Walker, D.A. and Matyshak, G. 2016. Changes to active-layer temperature after tall shrub expansion in arctic tundra. Ecosystems, in prep.
    9. Grosse, G., Goetz, S., McGuire, A., Romanovsky, V. and Schuur, E. 2016. Review and synthesis: Changing permafrost in a warming world and feedbacks to the earth system. Environmental Research Letters, 11(4):040201. doi:10.1088/1748-9326/11/4/040201
    10. 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 high latitude permafrost landscapes. 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)
    11. Kanevskiy, M., Shur, Y., Strauss, J., Jorgenson, M.T., Fortier, D., Stephani, E. and Vasiliev, A. 2016. Patterns and rates of riverbank erosion involving ice-rich permafrost (yedoma) in northern Alaska. Geomorphology, 253:370-384. doi:10.1016/j.geomorph.2015.10.023
    12. 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)
    13. Khomutov, A., Dvornikov, Y., Gubarkov, A. and Mullanurov, D. 2016. Activation of thermal denudation under recent climatic fluctuations, Central Yamal, Russia. Geophysical Research Abstracts. EGU General Assembly 2016.
    14. Khomutov, A., Dvornikov, Y., Leibman, M., Gubarkov, A. and Mullanurov, D. 2016. The rates of thermocirque development 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)
    15. 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)
    16. 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)
    17. Leibman, M., Kizyakov, A., Khomutov, A., Dvornikov Y., Streletskaya I. and Gubarkov, A. 2016. Gas-emission crater in Central Yamal, West Siberia, Russia, a new permafrost feature. Geophysical Research Abstracts. EGU General Assembly 2016.
    18. Liljedahl A.K., Boike, J., Daanen, R.P., Fedorov, A.N., Frost, G.V., Grosse, G., Hinzman, L.D., Iijma, Y., Jorgenson, J.C., Matveyeva, N., Necsoiu, M., Raynolds, M.K., Romanovsky, V.E., Jörg Schulla, Tape, K.D., Walker, D.A., Wilson, C.J., Yabuki, H. and Zona, D. 2016. Pan-Arctic ice-wedge degradation in warming permafrost and its influence on tundra hydrology. Nature Geoscience, 9:312-318. doi:10.1038/NGEO2674
    19. 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)
    20. 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)
    21. Raynolds, M.K. and Walker, D.A. 2016. Increased wetness confounds Landsat-derived NDVI trends in the central Alaska North Slope region, 1985–2011. Environmental Research Letters, 11:085004. doi:10.1088/1748-9326/11/8/085004
    22. Raynolds, M.K., and Walker, D.A. 2016. A raster version of the Circumpolar Arctic Vegetation Map (CAVM. Presented at 14th International Circumpolar Remote Sensing Symposium, Homer, AK, September 12-16. (Abstract, p. 95)
    23. 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)
    24. Walker, D.A, Epstein, H.E., Kofinas, G., Kumpula, T. and Leibman, M.O. 2016. Yamal LCLUC Synthesis: 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 circump...Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 25 pp. (PDF)
    25. 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)
    26. 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)
    27. 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)
    28. Walker, D.A., Kanevskiy, M., Shur, Y.L., Raynolds, M.K., Buchhorn, M. and Wirth, L.M. 2016. Road effects at airport study site, Prudhoe Bay, Alaska, Summer 2015. Alaska Geobotany Center Publication AGC 16-01. University of Alaska Fairbanks, Fairbanks, AK, 74 pp. doi:10.18739/A2VM42Z20 (PDF)
    29. 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. Bieniek, P.A, Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Pinzon, J.E., Tucker, C.J., Thoman, R.L. & (...) Ermold, W. 2015. Climate drivers linked to changing seasonality of Alaska coastal tundra vegetation productivity. Earth Interactions, 19:1-29. doi:1175/EI-D-15-0013.1
    4. Buchhorn, M., Curry, T., Kanevskiy, M., Raynolds, M.K., Shur, Y. and Walker, D.A. 2015. Landscape,  permafrost, and social change in the Prudhoe Bay region, Alaska: Snapshots from the NSF-ArcSEES project. Institute of Arctic Biology (IAB) Life Sciences Seminar Series. University of Alaska Fairbanks, Fairbanks, AK,, January 23. (Presentation)
    5. De Cáceres, M., Chytrý, M., Agrillo, E., Attorre, F., Botta-Dukát, Z., Capelo, J., Czúcz, B., Dengler, J., Ewald, J., Faber-Langendoen, D., Feoli, E., Franklin, S.B., Gavilán, R., Gillet, F., Jansen, F., Jiménez-Alfaro, B., Krestov, P., Landucci, F., Lengyel, A., Loidi, J., Mucina, L., Peet, R.K., Roberts, D.W., Role?ek, J., Schaminée, J.H.J., Schmidtlein, S., Theurillat, J.-P., Tichý, L., Walker, D.A., Wildi, O., Willner, W., Wiser, S.K. 2015. A comparative framework for broad-scale plot-based vegetation classification. Applied Vegetation Science, 18:543-560. doi:10.1111/avsc.12179
    6. Dvornikov, Yu. A., Khomutov, A. V., Mullanurov, D. R., Ermokhina, K. A., Gubarkov, A. A., Leibman, M. O. 2015. GIS- and field data based modeling of snow water equivalent in shrub tundra. Fennia, 193:2.
    7. 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)
    8. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A., Bieniek, P.A., Tucker, C.J., Pinzon, J., Myers-Smith, I.H., Forbes, B.C., Macias-Fauria, M., Boelman, N.T. and Sweet, S.K. 2015. Tundra Greenness. In: Arctic Report Card 2015. (Website)
    9. Epstein, H.E., Frost, G.V., Walker, D.A. and R. Kwok, R. 2015. [The Arctic] Declassified high-resolution visible imagery for observing the Arctic [in "State of the Climate in 2014"]. Bulletin of the American Meteorological Society, 96:S142-S143. doi:10.1175/2013BAMSStateoftheClimate.1
    10. 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)
    11. Jorgenson, T., Kanevskiy, M.Z., Shur, Y., Moskalenko, N.G., Brown, D.R.N., Wickland, K., Striegl, R. and Koch, J. 2015. Ground ice dynamics and ecological feedbacks control ice-wedge degradation and stabilization. Journal of Geophysical Research: Earth Surface, 120(11):2280-2297. doi:1002/2015JF003602
    12. Khitun, O., Ermokhina, K., Czernyadjeva, I., Leibman, M.O. and Khomutov, A. 2015. Floristic complexes on landslides of different age in Central Yamal, West Siberian Low Arctic, Russia. Fennia, 193:31–52.
    13. Kizyakov, A.I., Sonyushkin, A., Leibman, M.O., Zimin, M.V. and Khomutov, A.V. 2015. Geomorphological conditions of the gas-emission crater and its dynamics in Central Yamal. The Earth Cryosphere (Kriosfera Zemli), in press (In Russian).
    14. Koven, C. D., Schuur, E. A. G., Schädel, C., Bohn, T., Burke, E.J., Chen, G., Chen, X., Ciais, P., Grosse, G., Harden, J. W., Hayes, D. J., Hugelius, G., Jafarov, E. E., Krinner, G., Kuhry, P., Lawrence, D. M., MacDougall, A. H., Marchenko, S. S., McGuire, A. D., Natali, S. M., Nicolsky, D. J., Olefeldt, D., Peng, S., Romanovsky, V. E., Schaefer, K. M., Strauss, J., Treat, C. and Turetsky, M. 2015. A simplified, data-constrained approach to estimate the permafrost carbon-climate feedback. Philosophical Transactions of the Royal Society A, 373:20140423. doi:10.1098/rsta.2014.0423
    15. Matyshak, G.V., Goncharova, O.Y., Walker, D.A., Epstein, H.E., Moskalenko, N.G., and Shur, Y. 2015. Contrasting soil thermal regimes in the forest-tundra transition near Nadym, West Siberia, Russia. Permafrost and Periglacial Processes, 10.1002/ppp.1882.
    16. Muskett, R., Romanovsky, V., Cable, W. and Kholodov, A. 2015. Active-layer soil moisture content regional variations in Alaska and Russia by ground-based and satellite-based methods, 2002 through 2014. International Journal of Geosciences, 6(1):12-41. doi:10.4236/ijg.2015.61002
    17. Myers-Smith, I.H., Elmendorf, S., Beck, P., Wilmking, M., Hallinger, M., Blok, D., Tape, K.D., Rayback, S.A., Macias-Fauria, M., Forbes, B.C., Speed, J.D.M., Boulanger-Lapointe, N., Rixen, C., Levesque, E., Schmidt, N.M., Baittinger, C., Trant, A., Dawes, M., Lantz, T., Weijers, S., Jørgensen, R.H., Buchwal, A., Buras, A., Naito, A., Ravolainen, V., Schaepman-Strub, G., Wheeler, J., Wipf, S., Hik, D., Guay, K and Vellend, M. 2015. Climate sensitivity of shrub growth across the tundra biome. Nature Climate Change, 5:887–891. doi:10.1038/NCLIMATE2697
    18. Noetzli, J., Christiansen, H. H., Romanovsky, V.E., Shiklomanov, N.I., Smith, S.L., Vieira, G. and Zhao, L. 2015. [Global Climate] Cryosphere, permafrost thermal state [in “State of the Climate in 2014”]. Bulletin of the American Meteorological Society, 96(7):S17-S18. doi:10.1175/2015BAMSStateoftheClimate.1
    19. Romanovsky, V. E., Smith, S.L., Christiansen, H.H., Shiklomanov, N.I., Streletskiy, D.A., Drozdov, D.S., Malkova, G.V., Oberman, N.G., Kholodov, A. L. and Marchenko, S.S. 2015. [The Arctic] Terrestrial Permafrost [in "State of the Climate in 2014"]. Bulletin of the American Meteorological Society, 96(7):S139-S141. doi:10.1175/2015BAMSStateoftheClimate.1
    20. 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)
    21. 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)
    22. Skarin, A., Kumpula,T., Macias-Fauria, M. and Forbes, B.C. 2015. Reindeer use of Yamal tundra measured with pellet group counts: Understanding reindeer effects on willow growth and recruitment in a landslide area. 14th Arctic Ungulate Conference, Røros, August 16-21.
    23. Walker, D.A. and J.L. Peirce (eds.) 2015. Rapid Arctic Transitions due to Infrastructure and Climate (RATIC): A contribution to ICARP III. Alaska Geobotany Center Publication AGC 15-02. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    24. 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)
    25. Walker, D.A., Buchhorn, M., Kanevskiy, M., Matyshak, G.V., Raynolds, M.K., Shur, Y.L. and Wirth, L.M. 2015. Infrastructure-Thermokarst-Soil-Vegetation Interactions at Lake Colleen Site A, Prudhoe Bay, Alaska. Alaska Geobotany Center Publication AGC 15-01. University of Alaska Fairbanks, Fairbanks, AK, 92 pp. doi:10.18739/A2M61BQ8M (PDF)
    26. 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.
    27. Walker, D.A., Epstein, H.E., Kumpula, T. and Liebman, M.O. 2015. Yamal LCLUC Synthesis: 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. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 45 pp. (PDF)
    28. 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)
    29. Yu, Q., Epstein, H. E., Engstrom, R., Shiklomanov, N. and Strelestskiy, D. 2015. Land cover and land use changes in the oil and gas regions of Northwestern Siberia under changing climatic conditions. Environmental Research Letters, 10(12):124020. doi:10.1088/1748-9326/10/12/124020
    30. 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. Bhatt, U.S., Walker, D.A., Walsh, J.E., Carmack, E.C., Frey, K.E., Meier, W.N., Moore, S.E., Parmentier, F.W., Post, E., Romanovsky, V.E. and Simpson, W.R. 2014. Implications of Arctic Sea Ice Decline for the Earth System. Annual Review of Environment and Resources, 39:57-89. doi:10.1146/annurev-environ-122012-094357 (Supplemental Materials) (PDF)
    4. 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)
    5. Buchhorn, M. 2014. Ground-based hyperspectral and spectro-directional reflectance characterization of Arctic tundra vegetation communities: field spectroscopy and field spectro-goniometry of Siberian and Alaskan tundra in preparation of the EnMAP satellite mission. Doctoral Thesis. Potsdam Universität, Potsdam, Germany. (Available online) (PDF)
    6. 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)
    7. 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)
    8. 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)
    9. 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)
    10. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A., Bieniek, P.A., Tucker C.J., Pinzon, J., Zeng, H., Jia, G.J., Guay, K.C. and Goetz, S.J. 2014. Tundra Greenness. In: Arctic Report Card 2014. (Website)
    11. 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)
    12. 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)
    13. Frost, G. V., Epstein, H. E. and Walker, D. A. 2014. Regional and landscape-scale variability of Landsat-observed vegetation dynamics in northwest Siberian tundra. Environmental Research Letters, 9(2) 025004. doi:1088/1748-9326/9/2/025004
    14. 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)
    15. 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)
    16. 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)
    17. 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)
    18. 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)
    19. 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)
    20. Raynolds, M. K., Walker, D. A., Ambrosius, K. J., Brown, J., Everett, K. R., Kanevskiy, M., et al. 2014. Cumulative geoecological effects of 62 years of infrastructure and climate change in ice-rich permafrost landscapes, Prudhoe Bay Oilfield, Alaska. Global Change Biology, 20(4):1211-1224. doi:10.1111/gcb.12500
    21. 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)
    22. 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)
    23. 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)
    24. Timling, I., Walker, D. A., Nusbaum, C., Lennon, N. J. and Taylor, D. L. 2014. Rich and cold: Diversity, distribution and drivers of fungal communities in patterned-ground ecosystems of the North American Arctic. Molecular Ecology, 23: 3258–3272. doi:1111/mec.12743
    25. 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)
    26. 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)
    27. 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)
    28. Walker, D.A., Raynolds, M.K., Buchhorn, M., Peirce, J.L. (eds.) 2014. Landscape and Permafrost Changes in the Prudhoe Bay Oilfield, Alaska. Alaska Geobotany Center Publication AGC 14-01. University of Alaska Fairbanks, Fairbanks, AK. doi:10.18739/A24X54H5D (PDF)
    29. 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., Walker, D., Raynolds, M., Bieniek, P., Epstein, H., Comiso, J., et al. 2013. Recent Declines in Warming and Vegetation Greening Trends over Pan-Arctic Tundra. Remote Sensing, 5(9):4229-4254. doi:10.3390/rs5094229
    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. Links between Pan-Arctic Tundra Vegetation Change and Climate. Presented at Seminar at Geophysical Institute, University of Bergen. Bergen, Norway February 20. (Presentation)
    3. Epstein, H.E., Myers-Smith, I., & Walker, D.A. 2013. Recent dynamics of arctic and sub-arctic vegetation. Environmental Research Letters, 8(1), 015040. doi:10.1088/1748-9326/8/1/015040
    4. Frost, G. V., Epstein, H. E., Walker, D. A., Matyshak, G., & Ermokhina, K. 2013. Patterned-ground facilitates shrub expansion in Low Arctic tundra. Environmental Research Letters, 8(1), 015035. doi:10.1088/1748-9326/8/1/015035
    5. Parmentier, F., Christensen, T.R., Sørensen, L.L., Rysgaard, S., McGuire, D., Miller, P.A. and Walker, D.A. 2013. The impact of lower sea-ice extent on Arctic greenhouse-gas exchange. Nature Climate Change, 3(3):195-202. doi:10.1038/nclimate1784
    6. Walker, D.A. 2013. Yamal LCLUC Synthesis: 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 Arct. Proposal to the National Aeronautics and Space Administration. (PDF)
    7. Walker, D.A., Bhatt, U.S., Buchhorn, M., Epstein, H.E., Forbes, B.C., Heim, B., Liebman, M.O., Raynolds, M.K., Frost, G.V. and Yu, Q. 2013. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 34 pp. (PDF)

  1. 2012

    1. Anscombe, N. 2012. Arctic ground measurements confirm satellite data. Environmental Research Web. (Environmental Research Web)
    2. 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)
    3. 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)
    4. 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)
    5. 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)
    6. Frost, G.V. Epstein, H.E. Walker, D.A. Matyshak, G.V. Ermokhina, K.A. 2012. The 2011 Expedition to Kharp, Southern Yamal Peninsula Region, Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 83 pp. (PDF)
    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, 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. Heim, B., Buchhorn, M., Hubberton, H.-W. 2012. Yamal 2011 Expedition. Alfred Wegener Institute for Polar and Marine Research (AWI) Publication, 14 pp. (PDF)
    16. 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)
    17. 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)
    18. 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, 2:157-162. (Conference Paper)
    19. Kumpula, T., Forbes, B.C., Stammler, F., Meschtyb, N. 2012. Dynamics of a Coupled System: Multi-Resolution Remote Sensing in Assessing Social-Ecological Responses during 25 Years of Gas Field Development in Arctic Russia. Remote Sensing: Human-Induced Global Change, 4(4):1046-1068. doi:10.3390/rs4041046 (PDF)
    20. 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)
    21. 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)
    22. 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)
    23. Macias-Fauria, M., Forbes, B.C., Zetterberg, P. and Kumpula, T. 2012. Eurasian Arctic greening reveals teleconnections and the potential for novel ecosystems. Nature Climate Change. doi:10.1038/nclimate1558
    24. 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)
    25. 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, 2: 281-286. (Conference Paper)
    26. 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)
    27. Raynolds, M.K., Walker, D.A., Epstein, H.E., Pinzon, J.E., Tucker, C.J. 2012. A new estimate of tundra-biome phytomass from trans-Arctic field data and AVHRR NDVI. Remote Sensing Letters, 3:403-411. doi:10.1080/01431161.2011.609188 (PDF)
    28. 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)
    29. 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)
    30. Strauss, J., Ulrich, M., Buchhorn, M. 2012. Expeditions to permafrost 2012 : "Alaskan North Slope/Itkillik", "Thermokarst in Central Yakutia", "EyeSight-NAAT-Alaska". Reports on Polar and Marine Research, 65 pp. doi:net/10013/epic.40371 (PDF)
    31. Topp, R., Conner, L. 2012. The Changing Arctic. (mp4) mp4
    32. 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)
    33. 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)
    34. Walker, D.A., Bhatt, U.S., Epstein, H.E., Bieniek, P.A., Comiso, J.C., Frost, G.V., Pinzon, J., Raynolds, M.K., Tucker, C.J. 2012. [The Arctic] Changing Arctic tundra vegetation biomass and greenness [in "State of the Climate in 2011"]. Bulletin of the American Meteorological Society, 93(7):S138-139. doi:10.1175/2012BAMSStateoftheClimate.1 (PDF)
    35. 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)
    36. 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)
    37. 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)
    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, 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., 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)
    3. 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)
    4. 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)
    5. Goetz, S.J., Epstein, H.E., Alcaraz, J.D., Beck, P.S.A., Bhatt, U.S., Bunn, A., Comiso, J.C., Jia, G.J., Kaplan, J.O., Lilschke, H., Lloyd, A., Walker, D.A., Yu, Q. 2011. Recent changes in Arctic vegetation: Satellite observations and simulation model predictions. In: G. Gutman and A. Reissell (eds.), Eurasian Arctic Land Cover and Land Use in a Changing Climate, pp. 9-36. Springer: New York, NY. (PDF)
    6. 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)
    7. Kumpula, T., Pajunen, A., Kaarlejärvi, E., Forbes, B.C., Stammler, F. 2011. Land use and land cover change in Arctic Russia: Ecological and social implications of industrial development. Global Environ. Change. doi:10.1016/j.gloenvcha.2010.12.010 (PDF)
    8. Leibman, M.O., Moskalenko, N.G., Orekov, P.T., Khomutov, A.V., Walker, D.A., Epstein, H.E. 2011. Interaction of cryogenic and biotic components in cryolithozone of the West Siberia along the Yamal transect. In: Polar cryosphere and hydrosphere of the Land.
    9. Walker, D.A, Bhatt, U.S, Epstein, H.E., Forbes, B.C., Liebman, M.O., Raynolds, M.K., Frost, G.V. and Yu, Q. 2011. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 21 pp. (PDF)
    10. 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)
    11. 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)
    12. Walker, D.A. 2011. Vulnerability, Impacts and Adaptations of Arctic Social-Ecological Systems. Proposal to the National Aeronautics and Space Administration. (PDF)
    13. Walker, D.A., Bhatt, U.S., Callaghan, T.V., Comiso, J.C., Epstein, H.E., Forbes, B.C., Gill, M., Gould, W.A., Henry, G.H.R., Jia, G.J., Kokelj, S.V., Lantz, T.C., Oberbauer, S.F., Pinzon, J.E., Raynolds, M.K., Shaver, G.R., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2011. [The Arctic] Land: Vegetation [in "State of the Climate in 2010"]. Bulletin of the American Meteorological Society, 92:S150-S152. doi:10.1175/1520-0477-92.6.S1 (Website)
    14. Walker, D.A., Bhatt, U.S., Callaghan, T.V., Comiso, J.C., Epstein, H.E., Forbes, B.C., Gill, M., Gould, W.A., Henry, G.H.R., Jia, G.J., Kokelj, S.V., Lantz, T.C., Oberbauer, S.F., Pinzon, J.E., Raynolds, M.K., Shaver, G.R., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2011. Vegetation. In: J. Richter-Menge, M.O. Jeffries and J.E. Overland (eds.), Arctic Report Card 2011. NOAA Arctic Research Program. (Website) (PDF)
    15. 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)
    16. 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)
    17. Walker, D.A., Carlson, S., Frost, G.V., Matyshak, G.V., Leibman, M.E., Orechov, P., Khomutov, A.V., Khitun, O., Zhurbenko, M.P., Afonina, O., Barbour, E.M. 2011. 2010 Expedition to Krenkel Station, Hayes Island, Franz Josef Land Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    18. Walker, D.A., Forbes, B.C., Leibman, M.O., Epstein, H.E., Bhatt, U.S., Comiso, J.C., Drozdov, D.S., Gubarkov, A.A., Jia, G.J., Karlejaärvi, E., Kaplan, J.O., Khumutov, V., Kofinas, G.P., Kumpula, T., Kuss, P., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E., Stammler, F. and Yu, Q. 2011. Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia. In: G. Gutman and A. Reissel (eds.), Eurasian Arctic Land Cover and Land Use in a Changing Climate, pp. 206-236. Springer: New York, NY. doi:10.1007/978-90-481-9118-5_9 (PDF)
    19. Walker, D.A., Kuss, H.P., Epstein, H.E., Kade, A.N., Vonlanthen, C., Raynolds, M.K., Daniëls, F.J.A. 2011. Vegetation of zonal patterned-ground ecosystems along the North American Arctic Transect. Applied Vegetation Science, 14:440-463. (PDF)
    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)
    24. Yu, Q., Epstein, H.E., Walker, D.A., Frost, G.V., Forbes, B. 2011. Modeling dynamics of tundra plant communities on the Yamal Peninsula, Russia, in response to climate change and grazing pressure. Environmental Research Letters, 6(4). doi:10.1088/1748-9326/6/4/045505 (PDF)

  1. 2010

    1. Alcaraz, J.D., Cabello, J., Epstein, H.E., Jia, G.J. 2010. Trends in the surface vegetation dynamics of the tundra and taiga network of protected areas in Eurasia as observed by satellite sensors. (in prep).
    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., 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)
    3. 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)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R., Pinzon, J.E., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2010. Circumpolar Arctic tundra vegetation change is linked to sea-ice decline. Earth Interactions, 14:(8):1-20. (PDF)
    5. 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)
    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 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)
    7. 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)
    8. 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)
    9. 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)
    10. 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)
    11. 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)
    12. 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)
    13. 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)
    14. 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)
    15. 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)
    16. 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)
    17. 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)
    18. Forbes, B.C., Fauria, M.M., Zetterberg, P. 2010. Russian Arctic warming and 'greening' are closely tracked by tundra shrub willows. Global Change Biology, 1542-1554. (PDF)
    19. 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)
    20. 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)
    21. 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)
    22. 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)
    23. 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)
    24. 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)
    25. 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)
    26. 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)
    27. 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)
    28. 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)
    29. 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)
    30. 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)
    31. 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)
    32. 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)
    33. 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)
    34. 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)
    35. 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)
    36. 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)
    37. 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)
    38. Kumpula, T., Forbes, B.C., Stammler, F. 2010. Remote sensing and local knowledge of hydrocarbon exploitation: the case of Bovanenkovo, Yamal Peninsula, West Siberia, Russia. Arctic, 63:(2):165-178.
    39. 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)
    40. 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)
    41. 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)
    42. 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)
    43. 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)
    44. 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)
    45. 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)
    46. 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)
    47. 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)
    48. 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)
    49. 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)
    50. 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)
    51. 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)
    52. 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)
    53. Walker, D.A., Bhatt, U.S., Comiso, J.C., Epstein, H.E., Gould, W.A., Henry, G.H.R., Jia, G.J., Kokelj, S.V., Lantz, T.C., Mercado-Diaz, J.A., Pinzon, J.E., Raynolds, M.K., Shaver, G.R., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2010. [The Arctic] Land: Vegetation [in "State of the Climate in 2009"]. Bulletin of the American Meteorological Society, 91(7):S115-S116. doi:10.1175/BAMS-91-7-StateoftheClimate (Website) (PDF)
    54. Walker, D.A., Bhatt, U.S., Epstein, H.E., Forbes, B.C., Liebman, M.O. 2010. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 16 pp. (PDF)
    55. 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)
    56. 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)
    57. 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)
    58. 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)
    59. 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)
    60. 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)
    61. 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. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0701. (Poster)
    4. 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)
    5. 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)
    6. Forbes, B.C., Stammler, F., Kumpula, T., Meschtyb, N., Pajunen, A., Kaarlejärvi, E. 2009. High resilience in the Yamal-Nenets social-ecological system, West Siberian Arctic, Russia. Proc. Natl. Acad. Sci., 106:(52):22041-22048. (PDF)
    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. Groisman, P.Y., Clark, E.A., Kattsov, V.M., Lettenmaier, D.P., Sokolik, I.N., Aizen, V.B., Cartus, O., Chen, J., Conard, S., Katzenberger, J., Krankina, O., Kukkonen, J., Machida, T., Maksyutov, S., Ojima, D., Qi, J., Romanovsky, V.E., Santoro, M., Schmullius, C.C., Shiklomanov, A.I., Shimoyama, K., Shugart, H.H., Shuman, J.K., Sofiev, M.A., Sukhinin, A.I., Vorosmarty, C., Walker, D.A., Wood, E.F. 2009. The Northern Eurasia Earth Science Partnership: An example of Science Applied to Societal Needs. Bulletin of the American Meteorological Society, 90:671-688. doi:10.1175/2008BAMS2556.1 (PDF)
    10. Jia, G.J., Epstein, H.E., Walker, D.A. 2009. Vegetation greening in the Canadian Arctic related to decadal warming. Journal of Environmental Monitoring, 11:2231-2238. doi:10.1039/B911677J (Purchase PDF)
    11. 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)
    12. 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)
    13. 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)
    14. 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)
    15. Ravilious, K. 2009. Siberia's Arctic landscape is getting greener. Environmental Research Web. (Environmental Research Web)
    16. Raynolds, M.K. 2009. A geobotanical analysis of circumpolar arctic vegetation, climate, and substrate. Ph.D. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 260 pp.
    17. Raynolds, M.K., Walker, D.A. 2009. Effects of deglaciation on circumpolar distribution of arctic vegetation. Canadian Journal of Remote Sensing, 35:(2):118-129. (Permanent link) (PDF)
    18. 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)
    19. 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)
    20. Walker, D.A., Bhatt, U.S., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J. 2009. [The Arctic] Land: Vegetation [in "State of the Climate in 2008"]. Bulletin of the American Meteorological Society, 90(8):S104-S105. doi:10.1175/BAMS-90-8-StateoftheClimate (Website) (PDF)
    21. Walker, D.A., Bhatt, U.S., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Pinzon, J.E., Tucker, C.J. 2009. Vegetation. In: J. Richter-Menge, M.O. Jeffries and J.E. Overland (eds.), Arctic Report Card 2008. NOAA Arctic Research Program. (Website) (PDF)
    22. Walker, D.A., Epstein, H.E., Leibman, M.E., Moskalenko, N.G., Kuss, J.P., Matyshak, G.V., Kaarlejärvi, E., Barbour, E.M. 2009. Data Report of the 2007 and 2008 Yamal Expeditions: Nadym, Laborovaya, Vaskiny Dachi, and Kharasavey. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 133 pp. (PDF)
    23. Walker, D.A., Leibman, M.O., Epstein, H.E., Forbes, B.C., Bhatt, U.S., Raynolds, M.K., Comiso, J., Gubarkov, A.A., Khomutov, A.V., Jia, G.J., Kaarlejärvi, E., Kaplan, J.O., Kumpula, T., Kuss, H.P., Matyshak, G., Moskalenko, N.G., Orechov, P., Romanovsky, V.E., Ukraientseva, N.K., Yu, Q. 2009. Spatial and temporal patterns of greenness on the Yamal Peninsula, Russia: interactions of ecological and social factors affecting the Arctic normalized difference vegetation index. Environmental Research Letters, 4:16. doi:10.1088/1748-9326/4/4/045004 (PDF)
    24. 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)
    25. Walker, D.A., Orekhov, P., Frost, G.V., Matyshak, G., Epstein, H.E., Leibman, M.O., Khitun, O., Khomotov, A., Daanen, R., Gobroski, K., Maier, H.A. 2009. The 2009 Yamal Expedition to Ostrov Belyy and Kharp, Yamal Region, Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 63 pp. (PDF)
    26. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Simulating soil organic nitrogen and grazing effects on arctic vegetation dynamics on the Yamal Peninsula, Russia. Environmental Research Letters, 4(4). doi:10.1088/1748-9326/4/4/045027 (PDF)
    27. 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)
    28. 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)
    29. 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. Comiso, J.C., Nishio, F. 2008. Trends in the sea ice cover using enhanced and compatible AMSR-E,SSM/I, and SMMR data. Journal of Geophysical Research, 113:C02S07. doi:10.1029/2007JC004257 (PDF)
    8. Comiso, J.C., Parkinson, C.L., Gersten, R., Stock, L. 2008. Accelerated decline in the Arctic sea ice cover. Geophysical Research Letters, 35:L01703. doi:10.1029/2007GL031972 (Abstract) (PDF)
    9. Cook, B., Bonan, G., Levis, S., Epstein, H. 2008. Rapid vegetation responses and feedbacks amplify climate model response to snow cover changes. Climate Dynamics, 30(4):391-406. doi:10.1007/s00382-007-0296-z (PDF)
    10. Cook, B.I., Bonan, G.B., Levis, S., Epstein, H.E. 2008. The thermoinsulation effect of snow cover within a climate model. Climate Dynamics, 31(1):107-124. doi:10.1007/s00382-007-0341-y (PDF)
    11. 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)
    12. 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)
    13. 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)
    14. 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)
    15. 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)
    16. Epstein, H.E., Walker, D.A., Raynolds, M.K., Jia, G.J., Kelley, A.M. 2008. Phytomass patterns across a temperature gradient of the North American arctic tundra. Journal of Geophysical Research - Biogeosciences, 113:1-11. (Permanent link) (PDF)
    17. 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)
    18. 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)
    19. 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)
    20. 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)
    21. 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)
    22. 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)
    23. 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)
    24. 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)
    25. 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)
    26. Leibman, M.O. 2008. Welcome. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30, 2008. (Presentation)
    27. 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)
    28. 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)
    29. Matyshak, G.V. 2008. Soils at Nadym and Yamal area. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28. (Presentation)
    30. 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)
    31. 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)
    32. 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)
    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., Comiso, J.C., Walker, D.A., Verbyla, D. 2008. Relationship between satellite-derived land surface temperatures, arctic vegetation types, and NDVI. Remote Sensing of Environment, 112(4):1884-1894. doi:10.1016/j.rse.2007.09.008 (PDF)
    35. 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)
    36. 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)
    37. 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)
    38. 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)
    39. Raynolds, M.K., Walker, D.A., Munger, C.A., Vonlanthen, C.M., Kade, A.N. 2008. A map analysis of patterned-ground along a North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:1-18. doi:10.1029/2007JG000512 (Abstract) (PDF)
    40. 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)
    41. Stammler, F. 2008. A century of nomadic land use. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Presentation)
    42. Vonlanthen, C.M., Walker, D.A., Raynolds, M.K., Kade, A., Kuss, H.P., Daniëls, F.J.A., Matveyeva, N.V. 2008. Patterned-ground plant communities along a bioclimate gradient in the High Arctic, Canada. Phytocoenologia, 38:23-63. doi:10.1127/0340-269X/2008/0038-0023 (Abstract) (PDF)
    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. 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)
    45. Walker, D.A. 2008. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change problems on the Yamal Peninsula, Russia. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 20 pp. (PDF)
    46. Walker, D.A., Bhatt, U., Romanovsky, V., Kofinas, G. 2008. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. Proposal to the National Aeronautics and Space Administration. (PDF)
    47. 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)
    48. 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)
    49. 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)
    50. 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)
    51. Walker, D.A., Epstein, H.E., Leibman, M.E., Moskalenko, N.G., Kuss, H.P., Matyshak, G.V., Kaarlejärvi, E., Forbes, B.C., Barbour, E.M. 2008. Data Report of the 2007 Yamal Expedition to Nadym, Laborovaya, and Vaskiny Dachi, Yamal Peninsula Region, Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    52. Walker, D.A., Epstein, H.E., Romanovsky, V.E., Ping, C.L., Michaelson, G.J., Daanen, R.P., Shur, Y., Peterson, R.A., Krantz, W.B., Raynolds, M.K., Gould, W.A., Gonzalez, G., Nicolsky, D.J., Vonlanthen, C.M., Kade, A.N., Kuss, P., Kelley, A.M., Munger, C.A., Tarnocai, C.T., Matveyeva, N.V., Daniëls, F.J.A. 2008. Arctic patterned-ground ecosystems: A synthesis of field studies and models along a North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:G03S01. doi:10.1029/2007JG000504 (PDF)
    53. 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)
    54. 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)
    55. 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)
    56. 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)
    57. 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. Epstein, H.E., Yu, Q., Kaplan, J.O., Lischke, H. 2007. Simulating future changes in arctic and subarctic vegetation. Computing in Science and Engineering, 9(4):12-23. doi:10.1109/MCSE.2007.84 (PDF)
    5. 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)
    6. Munger, C.A. 2007. Spatial and temporal patterns of vegetation, terrain, and greenness in the Toolik Lake and Upper Kuparuk River region. M.S. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 69 pp. (PDF)
    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. 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)
    9. Walker, D.A. 2007. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change problems on the Yamal Peninsula, Russia. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 15 pp. (PDF)
    10. van Bogaert, R., Walker, D.A., Jia, G.J., Grau, O., Hallinger, M., De Dapper, M., Jonasson, C. and Callaghan, T.V. 2007. Recent changes in vegetation. In: J. Richter-Menge, M.O. Jeffries and J.E. Overland (eds.), Arctic Report Card 2007. NOAA Arctic Research Program. (Website) (PDF)

  1. 2006

    1. 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)
    2. 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)
    3. 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)
    4. 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)
    5. 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.
    6. Raynolds, M.K., Walker, D.A., Maier, H.A. 2006. NDVI patterns and phytomass distribution in the circumpolar Arctic. Remote Sensing of Environment, 102:271-281. doi:10.1016/j.rse.2006.02.016 (PDF)
    7. Richter-Menge, J., Overland, J., Proshutinsky, A., Romanovsky, V., Bengtsson, L., Brigham, L., Dyurgerov, M., Gascard, J.C., Gerland, S., Graversen, R., Hass, C., Karcher, M., Kuhry, P., Maslanik, J., Melling, H., Maslowski, W., Morison, J., Perovich, D., Przybylak, R., Rachold, V., Rigor, I., Shiklomanov, A., Stroeve, J., Walker, D., Walsh, J. 2006. State of the Arctic Report. NOAA/OAR/PMEL. Seattle, WA. NOAA OAR Special Report(2952). 36 . (State of the Arctic) (PDF)
    8. 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)
    9. 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)
    10. 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)
    11. 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)
    12. 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)
    13. 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. Proposal to the National Aeronautics and Space Administration. (PDF)
    14. 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)
    15. 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)

  1. 2005

    1. Raynolds, M.K., Walker, D.A., Maier, H.A. 2005. Plant community-level mapping of arctic Alaska based on the Circumpolar Arctic Vegetation Map. Phytocoenologia, 35:821-848. doi:10.1127/0340-269X/2005/0035-0821 (Abstract) (PDF)
    2. 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)

  1. 2003

    1. CAVM Team 2003. Circumpolar Arctic Vegetation Map. 1:7,500,000. U.S. Fish and Wildlife Service, Anchorage, AK. (PDF)
    2. Comiso, J.C. 2003. Warming trends in the Arctic from clear sky satellite observations. Journal of Climate, 16:3498-3510. (Permanent link) (PDF)
    3. Kaplan, J.O., Bigelow, N.H., Prentice, I.C., Harrison, S.P., Bartlein, P.J., Christensen, T.R., Cramer, W., Matveyeva, N.V., McGuire, A.D., Murray, D.F., Razzhivin, V.Y., Smith, B., Walker, D.A., Anderson, P.M., Andreev, A.A., Brubaker, L.B., Edwards, M.E., Lozhkin, L.V. 2003. Climate change and Arctic ecosystems II: Modeling, paleodata-model comparisons, and future projections. Journal of Geophysical Research, 108 (D19). doi:10.1029/2002JD002559 (Abstract) (PDF)

  1. 1999

    1. Comiso, J. 1999. Bootstrap sea ice concentrations for NIMBUS-7SMMR and DMSP SSM/I, June to September 2001.

  1. 1995

    1. Comiso, J. 1995. SSM/I sea ice concentrations using the bootstrap algorithm. NASA Techical Report NAS 1.15:111234; NASA-TM-111234. , 53. (PDF)

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The Alaska Geobotany Center is located on the West Ridge of the University of Alaska Fairbanks campus. Our office is located in room 252, on the second floor of the Arctic Health Research Building.

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