Alaska Geobotany Center Library
Journal Articles - Reports - Posters - Powerpoint Presentations
Powerpoint Presentions
2006 - 2004 - 2003 - 2002 - 2001 - 2000
2008
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| Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia | |
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| D.A. Walker, U.S. Bhatt, V.E. Romanovsky, G.P. Kofinas, M.K. Raynolds, H.E. Epstein, Q. Yu, B.C. Forbes, F. Stammler, E. Karlejäarvi, M. Leibman, N. Moskalenko, A. Gubarkov, A. Khomutov, T. Kumpula, J.C. Comiso, J.P. Kuss, G.J. Jia, J.O. Kaplan, G. Matyshak | |
| European Geosciences Union General Assembly 2008, Vienna, Austria, 13 - 18 April 2008 | |
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2006
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| Biocomplexity of Arctic Patterned Ground: A tale of cracking, heaving, and smothering | |
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| D.A. Walker, R. Daanen, H.E. Epstein, W. Gould, G. Gonzalez, A. Kade, A. Kelley, W. Krantz, J.P. Kuss, G. Michaelson, C. Munger, D. Nickolsky, R. Peterson, C. Ping, M.K. Raynolds, V. Romanovsky, C. Tarnocai, and C. Vonlanthen | |
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2004
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| Interactions of multiple factors for patterned-ground features across the Arctic bioclimate gradient | |
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| D.A. Walker, H.E. Epstein, P. Kuss, G. Michaelson, C.L. Ping, M.K. Raynolds, V.E. Romanovsky, C. Tarnocai | |
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2003
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| Towards a Web-based Arctic Geographic Information System: A hierarchic GIS geobotanical atlas for the Toolik Lake-Kuparuk River region | |
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| D.A. Walker, A.W. Balser, H.A. Maier, V. Sharpton | |
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| Biocomplexity of frost-boil ecosystems: 2003 Expedition to Banks Island | |
| D.A. Walker | |
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| Cryogenic Soil Structure and Cryopedogenesis | |
| C.L. Ping, Y.L. Shur | |
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2002
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| Draft of the Circumpolar Arctic Vegetation Map | |
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| D.A. Walker, M.K. Raynolds, H.A. Maier, D.F. Murray, C.J. Markon, S.S. Talbot, W.A. Gould, L.C. Bliss, S.A. Edlund, S.C. Zoltai, F.J.A. Daniels, M. Wilhelm, C. Bay, E. Einarsson, G. Gundjonsson, N.G. Moskalenko, G.V. Ananjeva, D.S. Drozdov, L.A. Konchenko, Y.V. Korostelev, E. Melnikov, O.E. Ponomareva, A.E. Katenin, S.S. Kholod, N.V. Matveyeva, I.N. Safranova, R. Shelkunova, B.A. Yurtsev, A.N. Polezhaev, A. Elvebakk, B.E. Johansen, N.G. Trahan, T.M. Charron | |
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| Biocomplexity of Frost-boil Ecosystems | |
| D.A. Walker, H.E. Epstein, W.A. Gould, W.B. Krantz, G. Tipenko, C.L. Ping, V. Romanovsky, M.D. Walker | |
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| Biocomplexity of Frost-boil Ecosystems | |
| D.A. Walker, H.E. Epstein, W.A. Gould, W.B. Krantz, G. Tipenko, C.L. Ping, V. Romanovsky, M.D. Walker | |
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2001
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Circumpolar Arctic Vegetation Map: Plan for Synthesis  | |
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| D.A. Walker | |
| Abstract Not available. | |
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2000
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| Climate, Vegetation, Soil, and Spectral Reflectance Patterns Across Zonal Vegetation Boundaries in Arctic Alaska | |
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| D.A. Walker, H.E. Epstein, J.G. Jia, E.J. Edwards, A. Moody | |
| Abstract Arctic plant community composition, structure and spectral properties show a clear response to summer temperature regimes, but this response is complicated by differences in soil parent materials. We characterized the plant communities, biomass, leaf-area-index, and spectral properties of the vegetation at Barrow, Atqasuk, Oumalik, and Ivotuk, along a transect of about 200 km traversing three of five vegetation subzones within the Arctic Zone and a mean-July-temperature gradient from about 3°C to 10°C. We sampled mesic zonal vegetation on acidic substrates along this transect and on equivalent nonacidic substrates where possible. | |
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