UAF Alaska Geobotany Center - Institute of Arctic Biology

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Journal articles, books and conference proceedings

2022
1. Bergstedt, H., Jones, B.M., Walker, D.A., Peirce, J., Bartsch, A., Pointner, G., Kanevskiy, M., Raynolds, M. and Buchhorn, M. 2022. The spatial and temporal influence of infrastructure and road dust on seasonal snowmelt, vegetation productivity, and early season surface water cover in the Prudhoe Bay Oilfield. Arctic Science, e-First. doi:10.1139/as-2022-0013
2. Kanevskiy, M., Shur, Y., Walker, D.A., Jorgenson, M.T., Raynolds, M., Peirce, J., Jones, B., Buchhorn, M., Matyshak, G., Bergstedt, H., Breen, A., Connor, B., Daanen, R., Liljedahl, A., Romanovsky, V. and Watson-Cook, E. 2022. The shifting mosaic of ice-wedge degradation and stabilization in response to infrastructure and climate change, Prudhoe Bay Oilfield, Alaska. Arctic Science, 8:498-530. doi:10.1139/as-2021-0024(Open Access)
3. Povoroznyuk, O., Vincent, W.F., Schweitzer, P., Laptander, R., Bennett, M., Calmels, F., Sergeev, D., Arp, C., Forbes, B.C., Roy-Léveillée, P., and Walker, D.A. 2022. Arctic roads and railways: social and environmental consequences of transport infrastructure in the circumpolar North. Arctic Science, e-First. doi:10.1139/as-2021-0033
4. Walker, D.A., Raynolds, M.K., Kanevskiy, Shur, Y., Romanovsky, V.E., Jones, B.M., Buchhorn, M., Jorgenson, M.T., Sibik, J., Breen, A.L., Kade, A., Watson-Cook, E., Matyshak, G., Bergstedt, H., Liljedahl, A., Daanen, R., Connor, B., Nicolsky, D. and Peirce, J.L. 2022. Cumulative impacts of a gravel road and climate change in an ice-wedge polygon landscape, Prudhoe Bay, Alaska. Arctic Science, 8:1040-1066. doi:10.1139/as-2021-0014(Open Access)

2021
1. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Walsh, J.E., Bieniek, P.A., Cai, L., Comiso, J.C., Epstein, H.E., Frost, G.V., Gersten, R., Hendricks, A.S., Pinzon, J.E., Stock, L. and Tucker, C. 2021. Climate drivers of Arctic tundra variability and change using an indicators framework. Environmental Research Letters, 16:055019. doi:10.1088/1748-9326/abe676
2. Frost, G.V., Bhatt, U.S., Epstein, H.E., Myers-Smith, I., Phoenix, G.K., Berner, L.T., Bjerke, J.W., Forbes, B.C., Goetz, S.J., Kerby, J.T., Macander, M.J., Park, T., Raynolds, M.K., Tømmervik, H. and Walker, D.A. 2021. Tundra greenness. In: R.L. Thoman, J. Richter-Menge, and M.L. Druckenmiller (eds.), Arctic Report Card 2020, pp. 68-78. doi:10.25923/46rm-0w23 (Website)
3. Frost, G.V., Macander, M.J., Bhatt, U.S., Epstein, H.E., Berner, L.T., Bjerke, J.W., Forbes, B.C., Goetz, S.J., Lara, M.J., Park, T., Phoenix, G.K., Raynolds, M.K., Tømmervik, H. and Walker, D. A. 2021. Tundra greenness [in "State of the Climate in 2020"]. Bulletin of the American Meteorological Society, 102(8):S297-S299. doi:10.1175/BAMS-D-21-0086.1
4. Kanevskiy, M., Shur, Y., Bigelow, N.H., Bjella, K.L., Douglas, T.A., Jones, B.M., Jorgenson, M.T. and Fortier, D. 2021. Yedoma cryostratigraphy of recently excavated sections of the CRREL Permafrost Tunnel near Fairbanks, Alaska. Frontiers in Earth Science, submitted.
5. Schneider von Deimling, T., Lee, H., Ingeman-Nielsen, T., Westermann, S., Romanovsky, V., Lamoureux, S., Walker, D.A., Chadburn, S., Trochim, E., Cai, L., Nitzbon, J., Jacobi, S. and Langer, M. 2021. Consequences of permafrost degradation for Arctic infrastructure - bridging the model gap between regional and engineering scales. The Cryosphere, 15:2451-2471. doi:10.5194/tc-15-2451-2021
6. Shur, Y., Fortier, D., Jorgenson, T., Kanevskiy, M., Schirrmeister, L., Strauss, J., Vasiliev, A. and Ward Jones, M. 2021. Yedoma Permafrost Genesis: More than 150 Years of Mystery and Controversy. Frontiers in Earth Science, submitted.

2020
1. Frost, G.V., Bhatt, U.S., Epstein, H.E., Berner, L.T., Bjerke, J.W., Forbes, B.C., Goetz, S.J., Lara, M.J., Macander, M.J., Phoenix, G.K., Raynolds, M.K., Tømmervik, H. and Walker, D.A. 2020. Tundra greenness [in "State of the Climate in 2019"]. In: Bulletin of the American Meteorological Society. 101(8):S272-S274. doi:10.1175/BAMS-D-20-0086.1
2. Raynolds, M.K., Jorgenson, J.C., Jorgenson, M.T., Kanevskiy, M., Liljedahl, A.K., Nolan, M., Sturm, M. and Walker, D.A. 2020. Landscape impacts of 3D-seismic surveys in the Arctic National Wildlife Refuge, Alaska. Ecological Applications, 30(7):e02143. doi:10.1002/eap.2143

2019
1. 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
2. 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)
3. 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)

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. 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.
5. 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)
6. 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.

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., 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.
3. 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.
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. Possible causes of arctic tundra vegetation productivity declines (Invited). Presented at AGU Fall Meeting, 11-15 December, New Orleans, LA. (Abstract B43J-01)
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. On understanding the climate drivers of tundra vegetation greening/browning in the Arctic. Presented at Chapman Chair Symposium, September 3, Fairbanks, Alaska.
6. 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
7. 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.
8. 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)
9. 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)
10. 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
11. 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
12. 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)
13. 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)
14. 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)
15. 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)
16. 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.
17. 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.
18. 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.
19. 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, 23:38953907. doi:1111/gcb.13632

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. Buchhorn, M., Prakash, A., Hampton, D. L., Cristóbal-Rosselló, J., Waigl, C. F., Stuefer, M. et al. 2016. HyLab: Alaska's in-state capability for airborne imaging spectroscopy - applications for permafrost. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 349. doi:10.2312/GFZ.LIS.2016.001 (Abstract, p. 349)
3. 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)
4. 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.
5. 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
6. 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)
7. 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
8. 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.
9. 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.
10. 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
11. 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)
12. Raynolds, M.K. and Walker, D.A. 2016. Increased wetness confounds Landsat-derived NDVI trends in the central Alaska North Slope region, 19852011. Environmental Research Letters, 11:085004. doi:10.1088/1748-9326/11/8/085004
13. 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)
14. Walker, D.A., Breen, A.L., Druckenmiller, L.A., Wirth, L.w., Fisher, W, Raynolds, M.K, Sibik, J., Walker, M.D., Hennekens, S., Boggs, K., Boucher, T., Buchhorn, M., Bültmann, H., Cooper, D.J., Daniëls, F.J.A., Davidson, S.J., Ebersole, J.J. et al. 2016. The Alaska Arctic Vegetation Archive (AVA-AK). Phytocoenologia 46:221-229. doi:10.1127/phyto/2016/0128
15. Walker, D.A., Daniëls, F.J.A., Alsos, I., Bhatt, U.S., Breen, A.L., Buchhorn, M., Bültmann, H., Druckenmiller, L.A., Edwards, M.E., Ehrich, D., Epstein, H.E., Gould, W.A., Ims, R.A., Meltofte, H., Raynolds, M.K., Sibik, J., Talbot, S.S. and Webber, P.J. 2016. Circumpolar arctic vegetation: A hierarchic review and roadmap toward an internationally consistent approach to survey, archive and classify tundra plot data. Environmental Research Letters, 11:055005. doi:10.1088/1748-9326/11/5/055005

2015
1. 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
2. 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
3. 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.
4. 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)
5. 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
6. 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
7. 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, 193:3152.
8. Kokaly, R.F., Graham, G.E., Hoefen, T.M., Kelly, K.D., Buchhorn, M., Johnson, M.R., Hubbard, B.E., Goldfarb, R.J. and Prakash, A. 2015. Characterizing Geology and Mineralization at High Latitudes in Alaska Using Airborne and Field-Based Imaging Spectrometer Data (CANCELLED). Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23K-1231)
9. 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
10. 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.
11. 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
12. 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, 5:887891. doi:10.1038/NCLIMATE2697
13. 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
14. Raynolds, M.K., Magnússon, B., Metúsalemsson, S. and Magnússon, S.H. 2015. Warming, Sheep and Volcanoes: Land Cover Changes in Iceland Evident in Satellite NDVI Trends. Remote Sensing, 2015, 7(8), 9492-9506. doi:10.3390/rs70809492
15. 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
16. 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.
17. 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

2014
1. 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)
2. Breen, A.L., Murray, D.F., Raynolds, M.K., Timling, I. and Walker, D.A. 2014. Ecology and evolution of plants in arctic and alpine environments. In: N. Rajakaruna, R. Boyd and T. B. Harris (eds.), Plant Ecology and Evolution in Harsh Environments, pp. 149-177. Hauppauge, New York: Nova Science Publishers. (Website)
3. 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)
4. 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)
5. 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
6. 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
7. 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: 32583272. doi:1111/mec.12743
8. Walker, D.A. (ed.) 2014. CAFF Proceedings Report 11. Alaska Arctic Vegetation Archive (AVA) Workshop, Boulder, Colorado, USA, October 14-16, 2013, Akureyri, Iceland. (CAFF site) (Proceedings)
9. Walker, D.A., Hamilton, T.D., Munger, C. and Maier, H.A. 2014. Glacial history and long-term ecology in the Toolik Lake region. In: J. Hobbie and G. Kling (eds.), A changing Arctic: Ecological consequence for tundra, streams and lakes, pp. 61-80. Oxford: Oxford University Press.

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. 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
3. 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
4. Ims, R.A., Ehrich, D., Forbes, B.C., Huntley, B., Walker, D.A., Wookey, P.A., Berteaux, D., Bhatt, U.S., Bråthen, K.A., Edwards, M.E., Epstein, H.E., Forchhammer, M.C., Fuglei, G. Gauthier, G. Gilbert, S., Leung, M., Menyushina, I.E., Ovsyanikov, N., Post, E., Raynolds, M.K., Reid, D.G., Schmidt, N.M., Stien, A., Sumina, O.I. and R. van der Wal 2013. Terrestrial ecosystems. In: H. Meltofte, A. B. Josefson, and D. Payer (eds.), Arctic Biodiversity Assessment: Status and trends in Arctic biodiversity (pp. 385-440), pp. 385-440. Akureyri, Iceland: Conservation of Arctic Flora and Fauna (CAFF).
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. Raynolds, M.K., Walker, D.A., Verbyla, D. and Munger, C.A. 2013. Patterns of Change within a Tundra Landscape: 22-year Landsat NDVI Trends in an Area of the Northern Foothills of the Brooks Range, Alaska. Institute of Arctic and Alpine Research (INSTAAR). University of Colorado. doi:10.1657/1938-4246-45.2.249 (PDF)
7. Walker, D.A., Bay, C., Breen, A.L., Bültmann, H., Christiansen, T., Damgaard, C., Daniëls, F.J.A., Hennekens, S.M., Luoto, M., Pellisier, L., Peet, R.K., Schmidt, N.-M., Yoccoz, N.G., Wisz, M.S. 2013. Rescuing valuable Arctic vegetation data for biodiversity and ecosystem models: CBIO-NETIAVD workshop, Roskilde, Denmark, 29-31 May 2012. Arctic, 68(1):133-138. (PDF)
8. Walker, D.A., Breen, A.L., Raynolds, M.K. and Walker, M.D. (eds.). 2013. CAFF Proceedings Report #10. Arctic Vegetation Archive (AVA) Workshop, Krakow, Poland, April 14-16, 2013, Akureyri, Iceland. (CAFF site) (Proceedings)

2012
1. Bieniek, P.A. 2012. Assessing River Ice Breakup Date, Coastal Tundra Vegetation and Climate Divisions in the Context of Alaska Climate Variability. Ph.D. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 140 pp.
2. Epstein, H.E., Raynolds, M.K., Walker, D.A., Bhatt, U.S., Tucker, C.J., Pinzon, J.E. 2012. Dynamics of aboveground phytomass of the circumpolar arctic tundra during the past three decades. Environmental Research Letters, 7(1):12. doi:10.1088/1748-9326/7/1/015506 (PDF)
3. 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)
4. Kelley, A.M., Epstein, H.E., Ping, C.-L., Walker, D.A. 2012. Soil nitrogen transformations associated with small patterned-ground features along a North American Arctic transect. Permafrost and Periglacial Processes, 23:196-206. doi:10.1002/ppp.1748 (PDF)
5. 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)
6. 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)
7. Leibman, M.O., Khomutov, A.V., Orekhov, P.T., Khitun, O.V., Epstein, H., Frost, G. and Walker, D.A. 2012. Gradient of Seasonal Thaw Depth along the Yamal Transect. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, 2:237-242. (Conference Paper)
8. 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
9. Masson-Delmotte, V., Swingedouw, D., Landais, A., Siedenkrantz, M.-S., Gauthier, E., Bichet, V., Massa, C., Perren, B., Jomelli, V., Adalgeirsdottir, G., Christensen, J., Arneborg, J., Bhatt, U.S., Walker, D.A., Elberling, B., Gillet-Chaulet, F., Ritz, C., Gallee, H., van den Broeke, M., Fettweis, X., de Vernal, A. 2012. Greenland climate change: from the past to the future. Climate Change, draft:(unk):45. doi:10.1002/wcc.186 (PDF)
10. Michaelson, G.J., Ping, C.-L., Walker, D.A. 2012. Soils associated with biotic activity on frost boils in Arctic Alaska. Soil Science Society of America Journal, 76:2265. (PDF)
11. 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)
12. 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)
13. Raynolds, M.K., Walker, D.A., Verbyla, D., Munger, C.A. 2012. Patterns of change within a tundra landscape: 22-year Landsat NDVI trends in an area of the northern foothills of the Brooks Range, Alaska. Arctic, Antarctic, and Alpine Research.
14. Timling, I. and Taylor, D.L. 2012. Peeking through a frosty window: molecular insights into the ecology of Arctic soil fungi. Fungal Ecology, 5(4):419-429. (PDF)
15. Timling, I., Walker, D.A., Gardes, M., Charcosset, J.Y., Welker, J.A., Taylor, D.L. 2012. Distribution and drivers of ectomycorrhizal fungal communities across the North American Arctic. Ecosphere, 3:1-25. (PDF)
16. 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)
17. Walker, D.A., Epstein, H.E., Raynolds, M.K., Kuss, P., Kopecky, M.A., Frost, G.V., Daniëls, F.J.A., Leibman, M.O., Moskalenko, N.G., Matyshak, G.V., Khitun, O.V., Khomutov, A.V., Forbes, B.C., Bhatt, U.S., Kade, A.N., Vonlanthen, C.M., Tichy, L. 2012. Environment, vegetation and greenness (NDVI) along the North America and Eurasia Arctic transects. Environmental Research Letters, 7(1). doi:10.1088/1748-9326/7/1/015504 (PDF)
18. Wilson, J.B., Chiarucci, A., Chytrý, M., Pärtel, M. 2012. Editors' Award, vegetation survey, remote sensing and restoration. Applied Vegetation Science, 15:(1-3). doi:10.1111/j.1654-109X.2011.01170.x (PDF)
19. 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)

2011
1. Blinnikov, M.S., Gaglioti, B., Walker, D.A., Wooler, M.J., Zazula, G.D. 2011. Pleistocene graminoid-dominated ecosystems in the Arctic. Quaternary Science Reviews, 30:2906-2929. doi:10.1016/j.quascirev.2011.07.002 (PDF)
2. 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)
3. 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)
4. 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.
5. Talbot, S.S., Baldwin, K.A., Jorgensen, M.T., MacKenzie, W., Meades, W.J., Meidinger, D., Robitaille, A., Saucier, J.P., Selkowitz, D., Walker, D.A. 2011. Progress toward a circumboreal vegetation map (CBVM) emphasizing boreal North America. Presented at European Vegetation Survey 20th Workshop. Rome, Italy April 6-9.
6. Walker, D.A. 2011. Biocomplexity of small patterned-ground features. Presented at Arctic Ecology Course. Masaryk University, Brno, Czech Republic March 8. (PPT) (PDF)
7. 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)
8. 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)
9. 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)
10. 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)
11. 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)

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., 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)
3. 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)
4. Gould, W.A., Gonzalez, G., Walker, D.A., Ping, C.L. 2010. Commentary. Integrating research, education, and traditional knowledge in ecology: a case study of biocomplexity in Arctic ecosystems. Arctic, Antarctic, and Alpine Research, 42:(4):379-384. (PDF)
5. 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.
6. Walker, D.A. 2010. An integrated mapping approach and suggestions for incorporating tundra into the CBVM legend. Presented at Circum-Boreal Vegetation Mapping Workshop. Helsinki, Finland March 12-14.
7. 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)
8. Walker, D.A., Raynolds, M.K., Maier, H.A., Barbour, E.M., Neufeld, G.P. 2010. Circumpolar geobotanical mapping: a web-based plant-to-planet approach for vegetation-change analysis in the Arctic. Viten, 1:125-128. (Conference Website) (PDF)
9. Walker, D.A., Walker, M.D., Gould, W.A., Mercado, J., Auerbach, N.A., Maier, H.A., Neufeld, G.P. 2010. Maps for monitoring changes to vegetation structure and composition: The Toolik and Imnavait Creek grid plots. Viten, 1:121-123. (Conference Website) (PDF)

2009
1. 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)
2. 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)
3. 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)
4. Kataoka, M. 2009. ESRI Map Book, Volume 24. ESRI Press. Redlands, CA. 24(24). 120 . (ESRI Map Book, Volume 24: Vegetation in the Vicinity of the Toolik Field Station, Alaska; Alaska Geobotany Center) (PDF)
5. Kelley, A.M., Epstein, H.E. 2009. Effects of nitrogen fertilization on plant communities of nonsorted circles in moist nonacidic tundra, Northern Alaska. Arctic, Antarctic, and Alpine Research, 41(1):119-127. doi:10.1657/1523-0430-41.1.119 (BioOne online article) (PDF)
6. Ravilious, K. 2009. Siberia's Arctic landscape is getting greener. Environmental Research Web. (Environmental Research Web)
7. 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.
8. 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)
9. 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)
10. 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)
11. Walker, D.A., Hamilton, T.D., Ping, C.-L., Daanen, R.P., Streever, W.W. 2009. Dalton Highway Field Trip Guide for the Ninth International Conference on Permafrost. Division of Geological and Geophysical Surveys. Fairbanks, AK. 9. 117 . (Print copy) (PDF)
12. 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)
13. 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)

2008
1. 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)
2. 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)
3. 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)
4. 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)
5. Daanen, R.P., Misra, D., Epstein, H., Walker, D., Romanovsky, V. 2008. Simulating nonsorted circle development in arctic tundra ecosystems. Journal of Geophysical Research - Biogeosciences, 113:1-10. doi:10.1029/2008JG000682 (PDF)
6. 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)
7. Kade, A., Walker, D.A. 2008. Experimental alteration of vegetation on nonsorted circles: effects on cryogenic activity and implications for climate change in the Arctic. Arctic, Antarctic, and Alpine Research, 40(1):96-103. doi:10.1657/1523-0430(06-029)[KADE]2.0.CO;2 (Abstract) (PDF)
8. Michaelson, G.J., Ping, C.L., Epstein, H., Kimble, J.M., Walker, D.A. 2008. Soils and frost boil ecosystems across the North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:G03S11, 10.1029/2007JG000672. doi:10.1029/2007JG000672 (Abstract) (PDF)
9. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2008. Modeling biogeophysical interactions in nonsorted circles in the Low Arctic. Journal of Geophysical Research - Biogeosciences, 113:1-17. doi:10.1029/2007JG000565 (Abstract) (PDF)
10. Peterson, R.A., Krantz, W.B.a. 2008. Differential frost heave model for patterned ground formation: Corroboration with observations along a North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:G03S04, 1-17. doi:10.1029/2007JG000559 (Abstract) (PDF)
11. Ping, C.-L., Michaelson, G.J., Jorgenson, M.T., Kimble, J.M., Epstein, H., Romanovsky, V.E., Walker, D.A. 2008. High stocks of soil organic carbon in North American Arctic region. Nature Geoscience, 1:615-619. doi:10.1038/ngeo284 (Abstract) (PDF)
12. Ping, C.-L., Michaelson, G.J., Kimble, J.M., Romanovsky, V.E., Shur, Y.L., Swanson, D.K., Walker, D.A. 2008. Cryogenesis and soil formation along a bioclimate gradient in Arctic North America. Journal of Geophysical Research - Biogeosciences, 113:G03S12. doi:10.1029/2008JG000744 (PDF)
13. 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)
14. 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)
15. 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)
16. 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)
17. Walker, D.A., Epstein, H.E., Welker, J.M. 2008. Introduction to special section on Biocomplexity of Arctic Tundra Ecosystems. Journal of Geophysical Research - Biogeosciences, 113:G03S00. doi:10.1029/2008JG000740 (PDF)
18. Walker, D.A., Raynolds, M.K., Gould, W.A. 2008. Fred Daniëls, Subzone A, and the North American Arctic Transect. Abhandlungen aus dem Westfälischen Museum für Naturkunde, 70:(3/4):387-400. (PDF)

2007
1. Cook, B.I., Bonan, G.B., Levis, S., Epstein, H.E. 2007. Dynamic vegetation amplifies climate model response to snow cover changes. Climate Dynamics .
2. Daanen, R., Misra, D., Epstein, H.E. 2007. Active-layer hydrology in nonsorted circle ecosystems of the arctic tundra. Vadose Zone Journal, 6(4):694-704.
3. Daanen, R.P., Misra, D., Epstein, H.E. 2007. Active-layer hydrology in non-sorted circle ecosystems of the Arctic tundra. Vadose Zone Journal, 6:694-704. (Permanent link) (PDF)
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. 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)
6. Raynolds, M.K. 2007. Arctic vegetation: its distribution and characteristics. Presented at GLOBE. Fairbanks, AK March 23.
7. Walker, D.A. 2007. The Circumpolar Arctic Vegetation Map, the Alaska Arctic Tundra Vegetation Map, and the Arctic Geobotanical Atlas. Proceedings of the Fourth International CAFF Flora Group Workshop, 15:60-62. (CAFF Website) (PDF)
8. 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)

2006
1. Jia, G.J., Epstein, H.E., Walker, D.A. 2006. Spatial heterogeneity of tundra vegetation response to recent temperature changes. Global Change Biology, 12:42-55. doi:10.1111/j.1365-2486.2005.01079.x (PDF)
2. Kade, A. 2006. Biocomplexity of nonsorted circles in the Low Arctic, Alaska. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 245 pp.
3. Kade, A., Romanovsky, V.E., Walker, D.A. 2006. The N-factor of nonsorted circles along a climate gradient in Arctic Alaska. Permafrost and Periglacial Processes, 17(4):279-289. doi:10.1002/ppp.563 (PDF)
4. 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.
5. 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)
6. 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)
7. Walker, D.A., Hamilton, T.D., Walker, M.D., Balser, A.W., Maier, H.A., Munger, C.A. and Auerbach, N.A. 2006. Vegetation of the Toolik Lake region in relationship to glacial geology. In: Toolik Lake LTER.
8. Zhurbenko, M.P., Matveeva, N.V., Vonlanthen, C., Walker, D.A., Raynolds, M.K. 2006. Lichens from Ellef Ringnes Island, Canadian Arctic Archipelago. Evansia, 23:(3):69-78. (PDF)

2005
1. Afonina, O.M., Raynolds, M.K., Walker, D.A. 2005. On the moss flora of Mould Bay (Prince Patrick Island, Canadian Arctic Archipelago). Arctoa, 14:135-142. (PDF)
2. Chapin, F.S.I., Sturm, M., Serreze, M.C., McFadden, J.P., Key, J.R., Lloyd, A.H., McGuire, A.D., Rupp, T.S., Lynch, A.H., Schimel, J.P., Beringer, J., Chapman, W.L., Epstein, H.E., Euskirchen, E.S., Hinzman, L.D., Jia, G., Ping, C.-L., Tape, K.D., Thompson, C.D.C., Walker, D.A., Welker, J.M. 2005. Role of land-surface changes in Arctic summer warming. Science, 310:(5748):657-660. (Permanent link) (PDF)
3. Hinzman, L.D., Bettez, N.D., Bolton, W.R., Chapin, F.S., III, Dyurgerov, M.B., Fastie, C.L., Griffith, B., Hollister, R.D., Hope, A., Huntington, H.P., Jensen, A., Jia, G.J., Jorgenson, T., Kane, D.L., Klein, D.R., Kofinas, G., Lynch, A.H., Lloyd, A.H., McGuire, A.D., Nelson, F., Oechel, W.C., Osterkamp, T.E., Racine, H.C., Romanovsky, V.E., Stone, R., Stow, D.A., Sturm, M., Tweedie, C.E., Vourlitis, G.L., Walker, M.D., Walker, D.A., Webber, P.J., Welker, J.M., Winker, K.S., Yoshikawa, K. 2005. Evidence and implications of recent climate change in northern Alaska and other Arctic regions. Climatic Change, 72:251-298. doi:10.1007/s10584-005-5352-2 (Abstract) (PDF)
4. Kade, A., Walker, D.A., Raynolds, M.K. 2005. Plant communities and soils in cryoturbated tundra along a bioclimate gradient in the Low Arctic, Alaska. Phytocoenologia, 35:761-820. (Abstract) (PDF)
5. Misra, D., Daanen, R. 2005. Visualizing Frost Boils. Challenges - in science and engineering, 13:(1):18-19, 23. (PDF)
6. Ping, C.-L., G.J. Michaelson, Y. Shur, C. Tarnocai, Walker, D.A. 2005. Nonsorted circles and soil formation in Arctic Canada. Presented at 2nd European Conference on Permafrost. Potsdam, Germany 12-16 June.
7. Ping, C.-L., Michaelson, G.J., Kimble, J.M., Walker, D.A. 2005. Soil acidity and exchange properties of cryogenic soils in Arctic Alaska. Journal of Soil Science and Plant Nutrition, 51(5):649-653. doi:10.1111/j.1747-0765.2005.tb00083.x (Abstract) (PDF)
8. 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)
9. Riedel, S.M., Epstein, H.E., Walker, D.A. 2005. Biotic controls over spectral reflectance of arctic tundra vegetation. International Journal of Remote Sensing, 26(11):2391-2405. doi:10.1080/01431160512331337754 (PDF)
10. Riedel, S.M., Epstein, H.E., Walker, D.A., Richardson, D.L., Calef, M.P., Edwards, E., Moody, A. 2005. Spatial and temporal heterogeneity of vegetation properties among four tundra plant communities at Ivotuk, Alaska, USA. Arctic, Antarctic, and Alpine Research, 37(1):25-33. doi:10.1657/1523-0430(2005)037[0025:SATHOV]2.0.CO;2 (PDF)
11. Sappington, N. 2005. ESRI Map Book, Volume 20. ESRI Press. Redlands, CA. 20 (20). 120 . (ESRI Map Book, Volume 20: Circumpolar Arctic Vegetation) (PDF)
12. Walker, D.A., Elvebakk, A., Talbot, S.S., Daniels, F.J.A. 2005. The Second International Workshop on Circumpolar Vegetation Classification and Mapping: a tribute to Boris A. Yurtsev. Phytocoenologia, 35:715-725. doi:10.1127/0340-269X/2005/0035-0715 (Abstract) (PDF)
13. Walker, D.A., Kade, A.N., Michaelson, G.J., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B. 2005. Biocomplexity of small periglacial patterned-ground forms: Polygenetic formation of surface forms along the Arctic bioclimate gradient. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, VA March 21 - 23.
14. Walker, D.A., Raynolds, M.K., Daniëls, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Markon, C.J., Melnikov, E.S., N.G., M., Talbot, S.S., Yurtsev, B.A., CAVM Team 2005. The Circumpolar Arctic Vegetation Map. Journal of Vegetation Science, 16(3):267-282. doi:10.1658/1100-9233(2005)016[0267:TCAVM]2.0.CO;2 (PDF)
15. Zhurbenko, M.P., Laursen, G.A., Walker, D.A. 2005. New and rare lichenicolous fungi and lichens from the North American Arctic. Mycotaxon, 92:201-212. (Abstract) (PDF)
16. Zhurbenko, M.P., Raynolds, M.K., Walker, D.A., Matveeva, N.V. 2005. Lichens and lichenicolous fungi from the Kolyma delta region, Russian Arctic. Graphis Scripta, 17:27-29. (PDF)

2004
1. Epstein, H.E., Beringer, J., Copass, C., Gould, W., Lloyd, A., Chapin III, F.S., Ping, C.L., Michaelson, G., Rupp, S., Walker, D.A. 2004. The nature of spatial transitions in arctic ecosytems. Journal of Biogeography, 31:1917-1933. doi:10.1111/j.1365-2699.2004.01140.x (Abstract) (PDF)
2. Gould, W.A., Walker, D.A., Raynolds, M.K., Daniels, F.J.A., Elvebakk, A., Matveyeva, N. 2004. Variation in plant community composition along topographic and climatic gradients in the Canadian Arctic: results of the CAVM Canadian transect. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
3. Jia, G.J., Epstein, H.E., Walker, D.A. 2004. Controls over intra-seasonal dynamics of AVHRR NDVI for the Arctic tundra in northern Alaska. International Journal of Remote Sensing, 25(9):1547-1564. doi:10.1080/0143116021000023925 (PDF)
4. Kade, A., D.A. Walker, Raynolds, M.K. 2004. Classification and ordination of frost-boil ecosystems along a climate gradient in the Low Arctic, Alaska. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
5. Kelley, A.M., Epstein, H., Walker, D.A. 2004. Role of vegetation and climate in permafrost active layer depth in arctic tundra of Northern Alaska and Canada. Journal of Glaciology and Climatology, 26:269-273. (PDF)
6. Ping, C.L., Jorgensen, T., Shur, Y. 2004. Soil cryogenic structures and their implications for land use in Alaska. Journal of Glaciology and Geocryology, 26:(z1).
7. Ping, C.L., Swanson, D.K. and Clark, M.H. 2004. Cryosols in Alaska. In: J. M. Kimble (ed.), Permafrost-affected soils, pp. 71-94. Springer-Verlag: Berlin, Heidelberg. (PDF)
8. Raynolds, M.K., Walker, D.A. 2004. The Circumpolar Arctic Vegetation Map: Analysis of distribution and NDVI of vegetation types. Presented at 8th Circumpolar Symposium on Remote Sensing of Polar Environments. Chamonix, France June 8 - 12.
9. Raynolds, M.K., Walker, D.A., Maier, H.A. 2004. Plant-community-level mapping of Alaska based on the Circumpolar Arctic Vegetation Map. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2 - 6.
10. Stow, D.A., Hope, A., D., M., Verbyla, D., Gamon, J., Huemmrich, F., Houston, S., Racine, C., Sturm, M., Tape, K., Hinzman, L., Yoshikawa, K., Tweedie, C., Noyle, B., Silapaswan, C., Douglas, D., Griffith, B., Jia, G., Epstein, H., Walker, D., Daeschner, S., Petersen, A., Zhou, L., Myneni, R. 2004. Remote sensing of vegetation and land-cover change in arctic tundra ecosystems. Remote Sensing of Environment, 89:281-308. doi:10.1016/j.rse.2003.10.018 (Abstract) (PDF)
11. Walker, D.A., Epstein, H.E., Gould, W.A., Kelley, A.M., Kade, A.N., Knudson, J.A., Krantz, W.B., Michaleson, G., Peterson, R.A., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Shur, Y.L. 2004. Frost-boil ecosystems: complex interactions between landforms, soils, vegetation, and climate. Permafrost and Periglacial Processes, 15(2):171-188. doi:10.1002/ppp.487 (Abstract) (PDF)
12. Walker, D.A., Raynolds, M.K., Maier, H.A., Team, C. 2004. A Vegetation Map of the Arctic Tundra Biome (1:1,750,000 scale): Overview, methods, legend and analysis. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.

2003
1. Bigelow, N.H., Brubaker, L.B., Edwards, M.E., Harrison, S.E., Prentice, I.C., Anderson, P.M., Andreev, A.A., Bartlein, P.J., Christensen, T.R., Cramer, W., Kaplan, J.O., Lozhkin, A.V., Matveyeva, N.V., Murray, D.F., McGuire, A.D., Razzhivin, Y.Y., Ritchie, J.C., Smith, B., Walker, D.A., Gajewski, K., Wolf, V., Holmqvist, B.H., Igarashi, Y., Kremenetskii, K.V., Paus, A., Pisaric, M.F.J., Volkova, V.S. 2003. Climate change and Arctic ecosystems I: Vegetation changes north of 55° N between the last glacial maximum, mid-Holocene and present. Journal of Geophysical Research, 108(D19). doi:10.1029/2002JD002558 (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. Gould, W.A., Raynolds, M.A., Walker, D.A. 2003. Vegetation, plant biomass, and net primary productivity patterns in the Canadian Arctic. Journal of Geophysical Research, 108(D2):1-14. doi:10.1029/2001JD000948 (Abstract) (PDF)
4. Gould, W.A., Walker, D.A., Biesboer, D. 2003. Combining research and education: Bioclimatic Zonation along a Canadian Arctic Transect. Arctic, 56:(1):45-54. (Abstract) (PDF)
5. Jia, G.J., Epstein, H.E., Walker, D.A. 2003. Greening of arctic Alaska, 1981-2001. Geophysical Research Letters, 30(20):1-4. doi:10.1029/2003GL018268 (Abstract) (PDF)
6. 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)
7. NRC, Orians, G., Albert, T., Brown, G., Cameron, R., Cochran, P., Gerlach, S., Gramling, R., Gryc, G., Hite, D., Kennicutt II, M., Lachenbruch, A., Lowry, L., L., M., Pielou, C., Sedingr, J., Lindstedt-Siva, K.J., Speer, L., Walker, D.A., NAS, N.A.o.S.-., NRC, N.R.C.-. 2003. Cumulative Environmental Effects of Oil and Gas Activities on Alaska's North Slope. National Academies Press. Washington, D.C. 288 . (Website) (PDF)
8. Peterson, R.A., Krantz, W.B. 2003. A mechanism for differential frost heave and its implications for patterned ground formation. Journal of Glaciology, 49:(164):69-80. (Abstract) (PDF)
9. Walker, D.A., Epstein, H.E., Jia, J.G., Balser, A.W., Copass, C., Edwards, E.J., Gould, W.A., Hollingsworth, J., Knudson, J., Maier, H.A., Moody, A., Raynolds, M.K. 2003. Phytomass, LAI, and NDVI in northern Alaska: Relationships to summer warmth, soil pH, plant functional types, and extrapolation to the circumpolar Arctic. Journal of Geophysical Research - Atmospheres, 108(d2):8169. doi:10.1029/2001JD000986 (Abstract) (PDF)
10. Walker, D.A., Hamilton, T.D., Balser, A.W., Anderson, J.A. 2003. Glacial Geology of Toolik Lake and the Upper Kuparuk River Region. University of Alaska Printing Services. Fairbanks, AK. 24 . (PDF)
11. Walker, D.A., Jia, G.J., Epstein, H.E., Raynolds, M.K., Chapin , F.S., III, Copass, C.D., Hinzman, L.D., Knudson, J.A., Maier, H.A., Michaelson, G.J., Nelson, F., Ping, C.L., Romanovsky, V.E., Shiklomanov, N. 2003. Vegetation-soil-thaw-depth relationships along a low-arctic bioclimate gradient, Alaska: synthesis of information from the ATLAS studies. Permafrost and Periglacial Processes, 14(2):103-123. doi:10.1002/ppp.452 (Abstract) (PDF)

2002
1. Gould, W.A., Edlund, S., Zoltai, S., Raynolds, M.K., Walker, D.A., Maier, H.A. 2002. Canadian Arctic vegetation mapping. International Journal of Remote Sensing, 23(21):4597-4609. doi:10.1080/01431160110113962 (Abstract) (PDF)
2. Jia, G.J., Epstein, H.E., Walker, D.A. 2002. Spatial characteristics of AVHRR-NDVI along latitudinal transects in northern Alaska. Journal of Vegetation Science, 13:(3):315-326. (JSTOR) (PDF)
3. Kruckeberg, A.R. 2002. Geology and Plant Life: The Effects of Landforms and Rock Types on Plants. Reviewed in Ecoscience, 362.
4. Litaor, M.I., Seastedt, T.R., Walker, D.A. 2002. Spatial analysis of selected soil attributes across an alpine topographic/snow gradient. Landscape Ecology, 17:71-85. (PDF)
5. McGuire, A.D., Wirth, C., Apps, M., Beringer, J., Clein, J., Epstein, H., Kicklighter, D.W., Blatti, J., Chapin III, F.S., de Groot, B., Efremov, D., Eugster, W., Fukuda, M., Gower, T., Hinzman, L., Huntley, B., Jia, G.J., Kasischke, E., Melillo, J., Romanovsky, V., Shvidenko, A., Vaganov, E., Walker, D. 2002. Environmental variation, vegetation distribution, carbon dynamics and water/energy exchange at high latitudes. Journal of Vegetation Science, 13:(3):301-314. (BioOne online article) (PDF)
6. Raynolds, M.K. and Markon, C.J. 2002. Fourth International Circumpolar Arctic Vegetation Mapping Workshop: A compilation of short papers, abstracts, and comments presented at the Russian Academy of Sciences, Moscow, Russia, 10-13 April, 2001. In: M.K. Raynolds and C.J. Markon, Open-File Report 02-181. U.S. Department of the Interior, U.S. Geological Survey. (Proceedings)
7. Schickhoff, U., Walker, M.D., Walker, D.A. 2002. Riparian willow communities on the Arctic Slope of Alaska and their environmental relationships: A classification and ordination analysis. Phytocoenologia, 32:145-204. doi:10.1127/0340-269X/2002/0032-0145 (Abstract) (PDF)
8. Walker, D.A., Gould, W.A., Maier, H.A., Raynolds, M.K. 2002. The Circumpolar Arctic Vegetation Map: AVHRR-derived base maps, environmental controls, and integrated mapping procedures. International Journal of Remote Sensing, 23(21):4551-4570. doi:10.1080/01431160110113854 (Abstract) (PDF)

2001
1. Epstein, H.E., Chapin, F.S., III, Walker, M.D., Starfield, A.M. 2001. Analyzing the functional type concept in arctic plants using a dynamic vegetation model. Oikos, 95:(2):239-252. (Abstract) (PDF)
2. Jones, H.G., Pomeroy, J., Walker, D.A., Hoham, R.W. 2001. Snow Ecology. Cambridge University Press. Cambridge, UK. 378 .
3. Pomeroy, J.W., Hoeller, P., Marsh, P., Walker, D.A., Williams, M.W. 2001. Snow vegetation interactions: Issues for a new initiative. In: A.J. Dolman, A.J. Hall, M.L. Kavvas, T. Oki, J.W. Pomeroy (eds.), Soil, Vegetation, Atmosphere Transfer Schemes and Large Scale Hydrological Models (IAHS Publ. No. 270), pp. 299-306. IAHS Press. Wallingford, UK.
4. Raynolds, M.K., Ananjeva, G.V., Drozdov, D.S., Daniels, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Korostelev, Y.V., Maier, H.A., Markon, C.J., Moskalenko, N.G., Talbot, S.S., Walker, D.A., Wilhelm, M. 2001. First draft of the Circumpolar Arctic Vegetation Map. Presented at LAII All Hands Meeting. Salt Lake City, UT 14-17 November .
5. Walker, D.A., Billings, W.D., de Molenaar, J.G. 2001. Snow-vegetation interactions in tundra environments. In: H.G. Jones, R.W. Hoham, J.W. Pomeroy and D.A. Walker (eds.), Snow Ecology, pp. 266-324. Cambridge University Press. Cambridge, UK. (Google Books) (PDF)
6. Walker, D.A., Bockheim, J.G., Chapin, F.S., III, Eugster, W., Nelson, F.E., Ping, C.L. 2001. Calcium-rich tundra, wildlife, and ''the Mammoth Steppe''. Quaternary Science Reviews, 20:149-163. doi:10.1016/S0277-3791(00)00126-8 (PDF)
7. Walker, M.D., Walker, D.A., Theodose, T.A., Webber, P.J. 2001. Vegetation: hierarchical species-environment relationships. In: W.D. Bowman, T.R. Seastedt (eds.), Structure and Function of an Alpine Ecosystem: Niwot Ridge, Colorado, pp. 99-127. Oxford University Press. New York, NY. (PDF)

2000
1. Chapin, F.S., III, Eugster, W., McFadden, J.P., Lynch, A.H., Walker, D.A. 2000. Summer differences among arctic ecosystems in regional climate forcing. Journal of Climate, 13(12):2002-2010. doi:10.1175/1520-0442(2000)013<2002:SDAAEI>2.0.CO;2 (PDF)
2. Epstein, H.E., Walker, M.D., Chapin, F.S., III, Starfield, A.M. 2000. A transient, nutrient-based model of arctic plant community response to climatic warming. Ecological Applications, 10(3):824-841. doi:10.1890/1051-0761(2000)010[0824:ATNBMO]2.0.CO;2 (PDF)
3. Walker, D.A. 2000. Hierarchical subdivision of arctic tundra based on vegetation response to climate, parent material, and topography. Global Change Biology, 6(S1):19-34. doi:10.1046/j.1365-2486.2000.06010.x (Wiley online library) (PDF)
4. Wielgolaski, F.E. 2000. Polar and Alpine Tundra. Reviewed in Arctic, Antarctic, and Alpine Research, 32:930. (PDF)

1999
1. Mucinal, L., Pignatti, S., Rodwell, J.S., Schaminée, J.H.J., Chytrý, M. 1999. European Vegetation Survey: Case Studies. Reviewed in Journal of Vegetation Science, 10:(1):138. (JSTOR) (PDF)
2. Muller, S.V., Racoviteanu, A.E., Walker, D.A. 1999. Landsat MSS-derived land-cover map of northern Alaska: extrapolation methods and a comparison with photo-interpreted and AVHRR-derived maps. International Journal of Remote Sensing, 20:2921-2946. doi:10.1080/014311699211543 (PDF)
3. Walker, D.A. 1999. An integrated vegetation mapping approach for northern Alaska (1:4 M scale). International Journal of Remote Sensing, 20(15-16):2895-2920. doi:10.1080/014311699211534 (PDF)
4. Walker, M.D., Walker, D.A., Welker, J.M., Arft, A.M., Bardsley, T., Brooks, P.D., Fahnestock, J.T., Jones, M.H., Losleben, M., Parsons, A.N., Seastedt, T.R., Turner, P.L. 1999. Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra. Hydrological Processes, 13:2315-2330. doi:10.1002/(SICI)1099-1085(199910)13:14/15<2315::AID-HYP888>3.0.CO;2-A (Abstract) (PDF)

1998
1. Bockheim, J.G., Walker, D.A., Everett, L.R., Nelson, F.E. and Shiklomanov, N.I. 1998. Soils and cryoturbation in moist nonacidic and acidic tundra in the Kuparuk river basin, arctic Alaska, USA. Arctic and Alpine Research, 30:(2):166-174. (JSTOR) (PDF)
2. Fahnestock, J.T., Jones, M.H., Brooks, P.D., Walker, D.A., Welker, J.M. 1998. Winter and early spring CO2 efflux from tundra communities of northern Alaska. Journal of Geophysical Research, 103(D22):29,023-29,027. doi:10.1029/98JD00805 (PDF)
3. Hobbie, J.E., Kwiatkowski, B.L., Rastetter, E.B., Walker, D.A., McKane, R.B. 1998. Carbon cycling in the Kuparuk basin: plant production, carbon storage, and sensitivity to future changes. Journal of Geophysical Research, 103:(D22):29065-29073. (Abstract) (PDF)
4. Jones, M.H., Fahnestock, J.T., Walker, D.A., Walker, M.D., Welker, J.M. 1998. Carbon dioxide fluxes in moist and dry arctic tundra during the snow-free season: responses to increases in summer temperature and winter snow accumulation. Arctic and Alpine Research, 30:(4):373-380. (JSTOR) (PDF)
5. Muller, S.V., Walker, D.A., Nelson, F.E., Auerbach, N., Bockheim, J., Guyer, S. and Sherba, D. 1998. Accuracy assessment of a land-cover map of the Kuparuk River basin, Alaska: considerations for remote regions. Photogrammetric Engineering & Remote Sensing, 64:(6):619-628. (Abstract) (PDF)
6. Nelson, F.E., Hinkel, K.M., Shiklomanov, N.I., Mueller, G.R., Miller, L.L., Walker, D.A. 1998. Active-layer thickness in north central Alaska: Systematic sampling, scale, and spatial autocorrelation. Journal of Geophysical Research, 103:(D22):28963-28973. (Abstract) (PDF)
7. Ping, C.-L., Bockheim, J.G., Kimble, J.M., Michaelson, G.J., Walker, D.A. 1998. Characteristics of cryogenic soils along a latitudinal transect in Arctic Alaska. Journal of Geophysical Research, 103:(D22):28917-28928. (Abstract) (PDF)
8. Reeburgh, W.S., King, J.Y., Regli, S.K., Kling, G.W., Auerbach, N.A., Walker, D.A. 1998. A CH4 emission estimate for the Kuparuk River basin, Alaska. Journal of Geophysical Research, 103(D22):29,005-29,013. doi:10.1029/98JD00993 (Abstract) (PDF)
9. Stow, D., Hope, A., Boynton, W., Phinn, S., Walker, D., Auerbach, N. 1998. Satellite-derived vegetation index and cover type maps for estimating carbon dioxide flux for Arctic tundra regions. Geomorphology, 21:313-327. doi:10.1016/S0169-555X(97)00071-8 (Abstract) (PDF)
10. Walker, D.A., Auerbach, N.A., Bockheim, J.G., Chapin, F.S., III, Eugster, W., King, J.Y., McFadden, J.P., Michaelson, G.J., Nelson, F.E., Oechel, W.C., Ping, C.L., Reeburg, W.S., Regli, S., Shiklomanov, N.I., Vourlitis, G.L. 1998. Energy and trace-gas fluxes across a soil pH boundary in the Arctic. Nature, 394:469-472. doi:10.1038/28839 (PDF)

1997
1. Auerbach, N.A., Walker, M.D., Walker, D.A. 1997. Effects of roadside disturbance on substrate and vegetation properties in arctic tundra. Ecological Applications, 7(1):218-235. doi:/10.1890/1051-0761(1997)007[0218:EORDOS]2.0.CO;2 (JSTOR) (PDF)
2. Bockheim, J.G., D.A. Walker and Everett, L.R. 1997. Soil carbon distribution in nonacidic and acidic tundra of Arctic Alaska. In: R. Lal, J.M. Kimble, R.F. Follett, B.A. Stewart (eds.), Soil processes and the carbon cycl, pp. 143-155. CRC Press: Boca Raton, FL. (PDF)
3. Eugster, W., J. P. McFadden, F. S. Chapin III, Walker, D.A. 1997. Importance of Landscape Age and Plant Community Composition for the Surface Energy Budget and Carbon Fluxes in Alaskan Arctic Tundra. Annales Geophysicae, 15:(Supplement II):C356.
4. Nelson, F.E., Shiklomanov, N.I., Mueller, G.R., Hinkel, K.M., Walker, D.A. and Bockheim, J.G. 1997. Estimating active-layer thickness over a large region: Kuparuk River Basin, Alaska, USA. Arctic, Antarctic, and Alpine Research, 29:(4):367-378. (JSTOR) (PDF)
5. Walker, D.A. 1997. A Circumpolar Arctic Vegetation Map: Statement of purpose, plan for action and an early application to Northern Alaska. Presented at 40th International Association for Vegetation Science. Ceske Budejowice, Czech Republic 18-23 August.
6. Walker, D.A. 1997. Arctic Alaskan vegetation disturbance and recovery: a hierarchic approach to the issue of cumulative impacts. In: R.M.M. Crawford (eds.) Disturbance and Recovery in Arctic Lands. Kluwer Academic Publishers Publishers. Dordrecht. pp. 457-479. (Purchase book) (PDF)
7. Walker, D.A., Talbot, S.S. 1997. Toward a new circumpolar arctic vegetation map. Arctic Research of the United States, 11:80-81.

1996
1. Duguay, C.R., Walker, D.A. 1996. Environmental modeling and monitoring with GIS: Niwot Ridge Long-Term Ecological Research Site. In: M. F. Goodchild, L.T. Steyaert, B.O. Parks, C.A. Johnston, D.R. Maidment, M. Crane, S. Glendinning (eds.), GIS and Environmental Modeling: Progress and Research Issues, pp. 219-223.
2. Walker, D.A. 1996. Disturbance and recovery of Arctic Alaskan vegetation. In: J.F. Reynolds and J.D. Tenhunen (eds.), Landscape Function and Disturbance in Arctic Tundra (pp. 35-71). Springer-Verlag: Berlin/Heidelberg, Germany. (Purchase book) (PDF)
3. Walker, D.A. and Markon, C.J. 1996. Circumpolar Arctic Vegetation Workshop: A compilation of abstracts and short papers presented at the Komarov Botanical Institute, St. Petersburg, Russia, March 21-25, 1994. In: D.A. Walker and C.J. Markon, Open File Report 96-251. U.S. Department of the Interior, U.S. Geological Survey, National Mapping Divisi. (Proceedings)
4. Walker, D.A. and Walker, M.D. 1996. Terrain and vegetation of the Imnavait Creek Watershed. In: J.F. Reynolds and J.D. Tenhunen (eds.), Landscape Function: Implications for Ecosystem Disturbance, a Case Study in Arctic Tundra, pp. 73-108. Springer-Verlag: New York, NY. (Purchase book) (PDF)
5. Walker, D.A., and S.S. Talbot 1996. Progress toward circumpolar arctic vegetation mapping. Presented at Alaska Surveying and Mapping Conference. Anchorage, Alaska February 5 - 9.
6. Walker, M.D., Everett, K.R., Walker, D.A., Birkland, P.W. 1996. Soil development as an indicator of relative pingo age, Northern Alaska, USA. Arctic and Alpine Research, 28:(3):352-362. (JSTOR) (PDF)

1995
1. Brooks, P.D., Williams, M.K., Walker, D.A., Schmidt, S.K. 1995. The Niwot Ridge snowfence experiment: biogeochemical responses to changes in the seasonal snowpack. International Association of Hydrological Sciences, 228:293-302. (PDF)
2. Rodwell, J.S., Pignatti, S., Mucina, L., Schaminée, J.H.J. 1995. European vegetation survey: update on progress. Reviewed in Journal of Vegetation Science, 10:(138):759-762.
3. Shippert, M.M., Walker, D.A., Auerbach, N.A., Lewis, B.E. 1995. Biomass and leaf-area index maps derived from SPOT images for Toolik Lake and Imnavait Creek areas, Alaska. Polar Record, 31(177):147-154. doi:10.1017/S0032247400013644 (Abstract) (PDF)
4. Svoboda, J., Freedman, B. 1995. Ecology of a Polar Oasis. Reviewed in Arctic and Alpine Research, 286. (PDF)
5. Walker, D.A. 1995. Toward a new circumpolar arctic vegetation map: St. Petersburg workshop. Arctic and Alpine Research, 31:169-178.
6. Walker, D.A., Auerbach, N.A., Shippert, M.M. 1995. NDVI, biomass, and landscape evolution of glaciated terrain in northern Alaska. Polar Record, 31(177):169-178. doi:10.1017/S003224740001367X (Abstract) (PDF)
7. Walker, D.A., Bay, C., Daniels, F.J.A., Einarsson, E., Elvebakk, A., Johansen, B.E., Kapitsa, A., Kholod, S.S., Murray, D.F., Talbot, S.S., Yurtsev, B.A., Zoltai, S.C. 1995. Toward a new arctic vegetation map: a review of existing maps. Journal of Vegetation Science, 6(3):427-436. doi:10.2307/3236242 (Abstract) (PDF)
8. Walker, D.A., M. Walker, N. Auerbach, L. Lestak, B. Lewis, Rose, K. 1995. A vegetation map of the upper Kuparuk River region, Alaska: a component of a hierarchic GIS for studies of arctic land-atmosphere interactions. Presented at Tenth Annual ESRI European User Conference. Palm Springs, CA May 22 - 26.
9. Walker, D.A., Walker, M.D., Welker, J.M., Parsons, A.N., Seastedt, T.R., Lewis, B.E., Brooks, P.D. 1995. Long-term snow-fence experiments to examine effects of altered winter precipitation regimes in arctic and alpine tundra. Bulletin of the Ecological Society of America, 76:(2):276.
10. Walker, M.D. 1995. Patterns and causes of arctic plant community diversity. In: F.S. III Chapin and C. Körner (eds.), Arctic and alpine biodiversity: patterns, causes, and ecosystem consequences (pp. 3-20). Springer-Verlag: Berlin, Germany. (PDF)
11. Walker, M.D., Walker, D.A., Everett, K.R. 1995. Pingos as models of arctic landscape development. Bulletin of the Ecological Society of America, 76:(2):276.
12. Welker, J.M., Parsons, A.N., Walker, M.D., Walker, D.A., Seastedt, T.R., Robinson, C.H., Wookey, P.A. 1995. Comparative responses of Dryas octopetala to simulated changes in climate from alpine, low- and high- arctic ITEX sites. Bulletin of the Ecological Society of America, 76:(2):281.
13. Weller, G., Chapin, F.S., III, Everett, K.R., Hobbie, J.E., Kane, D.L., Oechel, W.C., Ping, C.L., Reeburgh, W.S., Walker, D.A., Walsh, J. 1995. The Arctic Flux Study: a regional view of trace gas release. Journal of Biogeography, 22:(2/3):365-374. (JSTOR) (PDF)
14. Zhurbenko, M., Santesson, R., Walker, D.A., Auerbach, N.A., Lewis, B. 1995. New and interesting lichenicolous fungi and lichens from Alaska. Evansia, 12:92-97.

1994
1. Everett, K.R., Brown, J., Walker, D.A., Webber, P.J. 1994. Long-term natural recovery of development related disturbances in northern Alaska. The industrial development of the North and problem of recultivation. Syktyvkar, USSR, July 8-14.
2. Jones, H.G., Pomeroy, J.W., Walker, D.A., Wharton, R.A. 1994. Snow ecology: a report on a new initiative. Arctic and Alpine Research, 26:(2):195-196. (Permanent link) (PDF)
3. Jones, H.G., Pomeroy, J.W., Walker, D.A., Wharton, R.A. 1994. Snow Ecology: A Report on a New Initiative. Bulletin of the Ecological Society of America, 75:(1):29-31. (Permanent link) (PDF)
4. Shippert, M.M., D.A. Walker, N.A. Auerbach, B.E. Lewis 1994. Regional biomass and leaf-area estimates derived from satellite imagery as inputs to spatial trace-gas models for arctic tundra. Annual Ecological Society of America (ESA) Meeting: science and public policy, 75:(2):211. (Abstract)
5. Walker, D.A. 1994. Information: Toward a new arctic vegetation map: St. Petersburg workshop. Arctic and Alpine Research, 27:103-104. (Presentation)
6. Walker, M.D., Walker, D.A., Auerbach, N.A. 1994. Plant communities of a tussock tundra landscape in the Brooks Range Foothills, Alaska. Journal of Vegetation Science, 5:(6):843-866. (JSTOR) (PDF)

1993
1. Lewis, B.E., E.T. Price, Walker, D.A. 1993. A snow fence experiment to examine long-term ecosystem response to altered snow regimes in the Colorado alpine. Bulletin of the Ecological Society of America, 74:(2):328-329.
2. Price, E.T., Krantz, W.B., Walker, D.A. 1993. Thermal characteristics and frost penetration rate of alpine soils with diffrential snow cover. Presented at Southwestern and Rocky Mountain Division, AAAS 69th annual meeting. Albuquerque, NM May 23 - 27.
3. Walker, D.A., Auerbach, N.A., Everett, K.R., Shippert, M.M., Walker, M.D. 1993. Large-scale disturbance features in northern Alaska affect regional carbon budgets. Bulletin of the Ecological Society of America, 74:(2):475.
4. Walker, D.A., Halfpenny, J.C., Walker, M.D., Wessman, C. 1993. Long-term studies of snow-vegetation interactions. BioScience, 43:(5):287-301. (JSTOR) (PDF)

1992
1. Coates, P.A. 1992. The Trans-Alaska Pipeline Controversy: Technology, Conservation and the Frontier. Reviewed in Arctic and Alpine Research, 24:(4):363-364. (PDF)

1991
1. Walker, D.A., Everett, K.R. 1991. Loess ecosystems of northern Alaska: regional gradient and toposequence at Prudhoe Bay. Ecological Monographs, 61:(4):437-464. (Permanent link) (PDF)
2. Walker, D.A., Walker, M.D. 1991. History and pattern of disturbance in Alaskan Arctic terrestrial ecosystems: A hierarchical approach to analysing landscape change. Journal of Applied Ecology, 28:(1):244-276. (JSTOR) (PDF)
3. Walker, M.D., Walker, D.A., Everett, K.R. and Short, S.K. 1991. Steppe vegetation on south-facing slopes of pingos, central Arctic Coastal Plain, Alaska, USA. Arctic and Alpine Research, 23:170-188. (JSTOR) (PDF)

1990
1. Slaughter, C.W., Racine, C.H., Walker, D.A., Johnson, L.A., Abele, G. 1990. Use of off-road vehicles and mitigation of effects in Alaska permafrost environments: a review. Environmental Management, 14:63-72. doi:10.1007/BF02394020 (PDF)
2. Walker, M.D. 1990. Vegetation and floristics of pingos, Central Arctic Coastal Plain, Alaska. J. Cramer. Stuttgart, Germany. 149. 283 . (Purchase book) (PDF)

1989
1. Chapin, F.S., III 1989. Research in Arctic Life and Earth Sciences. Present Life and Future Perspectives. Reviewed in Arctic and Alpine Research, 21:(1):103-104. (JSTOR) (PDF)
2. Evans, B.M., Walker, D.A., Benson, C.S., Nordstrand, E.A., Petersen, G.W. 1989. Spatial interrelationships between terrain, snow distribution and vegetation patterns at an arctic foothills site in Alaska. Holarctic Ecology, 12:270-278. (JSTOR) (PDF)
3. Sonesson, M. 1989. Research in Arctic life and earth sciences: present knowledge and future perspectives. Reviewed in Arctic and Alpine Research, 21:(1):103-104. (JSTOR) (PDF)
4. Walker, D.A., Binnian, E., Evans, B.M., Lederer, N.D., Nordstrand, E., Webber, P.J. 1989. Terrain, vegetation and landscape evolution of the R4D research site, Brooks Range Foothills, Alaska. Holarctic Ecology, 12:(3):238-261. (JSTOR) (PDF)
5. Walker, D.A., Lederer, N.D., Walker, M.D., Binnian, E., Everett, K.R., Nordstrand, E., Webber, P.J. 1989. Impacts of petroleum development in the Arctic: Response. Science, 245:764-765. (JSTOR) (PDF)

1987
1. Walker, D.A. 1987. Height and growth-ring response of Salix lanata ssp. richardsonii along the coastal temperature gradient of northern Alaska. Canadian Journal of Botany, 65(5):988-993. doi:archpress.com/doi/abs/10.1139/b87-136 (Abstract) (PDF)
2. Walker, D.A., Everett, K.R. 1987. Road dust and its environmental impact on Alaskan taiga and tundra. Arctic and Alpine Research, 19:(4):479-489. (JSTOR) (PDF)
3. Walker, D.A., Webber, P.J., Binnian, E.F., Everett, K.R., Lederer, N.D., Nordstrand, E.A., Walker, M.D. 1987. Cumulative Impacts of Oil Fields on Northern Alaskan Landscapes. Science, 238:(4828):757-761. (Permanent link) (PDF)

1986
1. Olson, R., Hastings, R., Geddes, F. 1986. Northern Ecology and Resource Management: Memorial Essays Honouring Don Gill. Reviewed in Arctic and Alpine Research, 18:(1):127-128.
2. Walker, D.A., Webber, P.J., Walker, M.D., Lederer, N.D., Meehan, R.H., Nordstrand, E.A. 1986. Use of geobotanical maps and automated mapping techniques to examine cumulative impacts in the Prudhoe Bay Oilfield, Alaska. Environmental Conservation, 13(2):149-160. doi:10.1017/S0376892900036754 (Abstract) (PDF)

1985
1. Ritchie, J.C. 1985. Past and Present Vegetation of the Far Northwest of Canada. Reviewed in Arctic and Alpine Research, 17:(3):349-350. (PDF)
2. Walker, D.A., Lederer, N.D. 1985. Summer 1983 observations at the Prudhoe Bay experimental seawater spill sites three years after the spills. Attachment I. In: P.J. Webber, D. A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH. pp. 13.
3. Walker, D.A., N.D. Lederer, Walker, M.D. 1985. Vegetation changes at permanent transects along the Dalton Highway and the Prudhoe Bay Spine Road. Attachment F. In: P.J. Webber, D. A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH.
4. Walker, D.A., Walker, M.D., Everett, K.R., Webber, P.J. 1985. Pingos of the Prudhoe Bay region. Arctic and Alpine Research, 17:(3):321-336. (JSTOR) (PDF)
5. Walker, D.A., Walker, M.D., Lederer, N.D. 1985. 1983 Observations at the Prudhoe Bay and Franklin Bluffs hydrocarbon spill sites. Attachment H. In: P.J. Webber, D. A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH. pp. 22.

1984
1. Walker, D.A. 1984. Permafrost: Fourth International Conference, Proceedings. Reviewed in Arctic and Alpine Research, 16:(1):127-128. (JSTOR) (PDF)

1983
1. Klinger, L.F., Walker, D.A., Walker, M.D., Webber, P.J. 1983. The effects of a gravel road on adjacent tundra vegetation. In: U.S. Army Corps of Engineers (eds.), Prudhoe Bay Waterflood Project Environmental Monitoring Program 1982, pp. 162. U.S. Army Corps of Engineers, Anchorage, AK.
2. Moses, T.A., Walker, D.A. 1983. Chapter 6: Surface hydrology. In: D.M. Troy (ed.) Prudhoe Bay Unit-Eileen West End Environmental Studies Program, Summer 1982. LGL Alaska Research Associates, Inc.: Fairbanks, AK. pp. 14.
3. Walker, D.A., Everett, K.R., Webber, P.J. 1983. Chapter 2: Geobotany. In: D.M. Troy (eds.) Prudhoe Bay Unit-Eileen West End Environmental Studies Program, Summer 1982. LGL Research Associates, Inc. Fairbanks, AK. pp. 77.

1982
1. Walker, D.A., Everett, K.R., Acevedo, W., Gaydos, L., Brown, J., Webber, P.J. 1982. Landsat assisted environmental mapping in the Arctic National Wildlife Refuge, Alaska. In: U.S. Fish and Wildlife Service (eds.) Draft environmental impact statement and draft regulations for the proposed oil and gas exploration within the coastal plain of the Arctic National Wildlife Refuge, Alaska. Department of the Interior. Washington, D.C. pp. 829-890 with 3 maps.

1981
1. Walker, D.A. 1981. The vegetation and environmental gradients of the Prudhoe Bay region, Alaska. Ph.D. Thesis. University of Colorado, Boulder, CO, 484 pp (5 maps).
2. Walker, D.A. 1981. Prudhoe Bay, Alaska. In: L.C. Bliss, O.W. Heal, J.J. Moore (eds.) Tundra ecosystems: a comparative analysis. Cambridge University Press. Cambridge, UK. pp. 766-676.
3. Walker, D.A., Short, S.K., Andrews, J.T., Webber, P.J. 1981. Late Holocene pollen and present-day vegetation, Prudhoe Bay and Atigun River, Alaskan North Slope. Arctic and Alpine Research, 13:(2):153-172. (JSTOR) (PDF)

1980
1. Walker, D.A. 1980. Haul road mapping. In: P.J. Webber (eds.), Vegetation mapping and response to disturbances in northern Alaska, pp. 72. U.S. Army Cold Regions Research and Engineering Laboratory (CRREL), Hanover, NH..

1979
1. Walker, D.A., Webber, P.J. 1979. Relationship of soil acidity and air temperature to the wind and vegetation at Prudhoe Bay, Alaska. Arctic, 32:(3):224-236. (Abstract) (PDF)

1978
1. Walker, D.A., Webber, P.J., Everett, K.R., Brown, J. 1978. Effects of crude and diesel spills on plant communities at Prudhoe Bay, Alaska, and the derivation of oil spill sensitivity maps. Arctic, 31:(3):242-259. (Abstract) (PDF)

1977
1. Walker, D.A. 1977. The analysis of the effectiveness of a television scanning densitometer for indicating geobotanical features in an ice-wedge polygon complex at Barrow, Alaska. M.A. Thesis. University of Colorado, Boulder, CO, 129 pp (2 maps).
2. Walker, D.A., Everett, K.R., Webber, P.J. 1977. Observations at the Prudhoe Bay rolligon site one year following the test. Attachment G. In: P.J. Webber, D.A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH. pp. 19.

1975
1. Webber, P.J., Walker, D.A. 1975. Vegetation and landscape analysis at Prudhoe Bay, Alaska: a vegetation map of the Tundra Biome study area. In: J. Brown (ed.), Ecological investigations of the Tundra Biome in the Prudhoe Bay region, Alaska, pp. 81-91. University of Alaska Fairbanks, Fairbanks, AK. (Permanent link) (PDF)
2. Webber, P.J., Walker, D.A., Rowley, F. 1975. Gradient analysis of plant growth forms. In: J. Brown (eds.) Ecological and limnological reconnaissances from Prudhoe Bay into the Brooks Range, Alaska. pp. 31-35. (PDF)

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