Donald A. Walker focuses on Arctic, Vegetation, Tundra, Physical geography and Ecology. Donald A. Walker specializes in Arctic, namely Arctic vegetation. His Vegetation study combines topics from a wide range of disciplines, such as Biomass, Climate change and Atmospheric sciences.
His biological study spans a wide range of topics, including Climatology, Soil water, Soil pH, Snow and Physiographic province. His Climatology research is multidisciplinary, incorporating elements of Biocomplexity and Environmental resource management. His research integrates issues of Graminoid, Forb, Biome, Beringia and Last Glacial Maximum in his study of Physical geography.
Donald A. Walker mainly focuses on Arctic, Tundra, Physical geography, Vegetation and Ecology. He combines subjects such as Permafrost, Patterned ground and Climatology with his study of Arctic. His Tundra study incorporates themes from Biomass, Cryosphere, Hydrology, Plant community and Normalized Difference Vegetation Index.
His Physical geography research incorporates themes from Shrub, Coastal plain, Transect, Biome and Global change. His Vegetation study integrates concerns from other disciplines, such as Soil water, Climate change, Snow, Geomorphology and Land cover. His studies deal with areas such as Circumpolar star, Arctic ecology and Remote sensing as well as Arctic vegetation.
His primary areas of investigation include Arctic, Tundra, Physical geography, Permafrost and Vegetation. Donald A. Walker has included themes like Soil carbon, Climatology, Ice wedge, Vegetation classification and Global warming in his Arctic study. Donald A. Walker studies Tundra, namely Arctic vegetation.
His Physical geography research integrates issues from Cryosphere, Arctic ice pack, Transect, Biome and Global change. His Permafrost research is multidisciplinary, relying on both Hydrology, Climate change and Snow. His work on Plant community as part of general Vegetation research is frequently linked to Context, bridging the gap between disciplines.
The scientist’s investigation covers issues in Arctic, Vegetation, Tundra, Physical geography and Climate change. His Sea level research extends to the thematically linked field of Arctic. His study deals with a combination of Vegetation and Context.
His Tundra study combines topics in areas such as Snow, Climatology, Remote sensing and Normalized Difference Vegetation Index. His Physical geography research includes elements of Biomass, Plant community, Sea ice and Vegetation classification. Donald A. Walker combines subjects such as Permafrost, Thermokarst and Ecosystem with his study of Climate change.
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Purification and cloning of amyloid precursor protein beta-secretase from human brain.
Sukanto Sinha;John P. Anderson;Robin Barbour;Guriqbal S. Basi.
Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions
Larry D. Hinzman;Neil D. Bettez;W. Robert Bolton;F. Stuart Chapin.
Climatic Change (2005)
Role of Land-Surface Changes in Arctic Summer Warming
F. S. Chapin;M. Sturm;Mark C. Serreze;J.P. McFadden.
The Circumpolar Arctic vegetation map
Donald A. Walker;Martha K. Raynolds;Fred J. A. Daniëls;Eythor Einarsson.
Journal of Vegetation Science (2005)
Remote sensing of vegetation and land-cover change in Arctic Tundra Ecosystems
Douglas A. Stow;Allen Hope;David McGuire;David Verbyla.
Remote Sensing of Environment (2004)
Climate change and Arctic ecosystems: 2. Modeling, paleodata‐model comparisons, and future projections
JO Kaplan;JO Kaplan;NH Bigelow;IC Prentice;SP Harrison;SP Harrison.
Journal of Geophysical Research (2003)
Circumpolar Arctic Tundra Vegetation Change Is Linked to Sea Ice Decline
Uma S. Bhatt;Donald A. Walker;Martha K. Raynolds;Josefino C. Comiso.
Earth Interactions (2010)
Ecological Consequences of Sea-Ice Decline
Eric Post;Uma S. Bhatt;Cecilia M. Bitz;Jedediah F. Brodie.
Greening of arctic Alaska, 1981-2001
Gensuo J. Jia;Gensuo J. Jia;Howard E. Epstein;Donald A. Walker.
Geophysical Research Letters (2003)
Pan-Arctic ice-wedge degradation in warming permafrost and its influence on tundra hydrology
Anna K. Liljedahl;Julia Boike;Ronald P. Daanen;Alexander N. Fedorov.
Nature Geoscience (2016)
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