Donald Walker

Director & Professor
Department: 
Alaska Geobotany Center & Institute of Arctic Biology
Institution: 
University of Alaska
Phone number: 
(907) 474-2459
Fax number: 
(907) 474-6967
Address: 311 Irving PO Box 757000 Fairbanks AK United States 99775

Meeting presentations

Type Meeting Date
NASA LCLUC Science Team Presentation North Bethesda, MD
04/18/2016
Yamal LCLUC Synthesis
Poster Presentation Adelphi, Maryland
03/28/2011
Seasonal changes of the ice-ocean-atmosphere-terrestrial system on the Yamal
Poster Presentation Adelphi, Maryland
03/28/2011
Greening of the Arctic: Spatial variation of biomass and NDVI along two Arctic transects and the Circumpolar Arctic
Poster Presentation Bethesda North Marriott, Bethesda, MD
04/20/2010
Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra
Poster Presentation Bethesda North Marriott, Bethesda, MD
04/20/2010
The Yamal LCLUC Study: Vegeta4on Analysis and Mapping along a 900?km Arc4c transect
Poster Presentation Bethesda North Marriott, Bethesda, MD
04/20/2010
Land surface dynamics on the Yamal Peninsula based on multi-temporal imagery
Poster Presentation Bethesda North Marriott, Bethesda, MD
04/20/2010
Climatology and variability of the ice-ocean-atmosphereterrestrial system on the Yamal
Poster Presentation Bethesda North Marriott, Bethesda, MD
04/20/2010
Application of Global Land Survey data to land-cover mapping: Yamal Peninsula, Russia
Poster Presentation Bethesda North Marriott, Bethesda, MD
03/31/2009
Vegetation greenness on the Yamal Peninsula, Russia: Disturbance–climate-change interactions
NASA LCLUC Science Team Presentation Bethesda North Marriott, Bethesda, MD
03/31/2009
State pf the science: land use modeling in Amazonia
NASA LCLUC Science Team Presentation UMUC Inn and Conference Center, Adelphi, MD
04/28/2008
Cumulative effects of resource development, reindeer herding, and climate change on the Yamal Peninsula, Russia
NASA LCLUC Science Team Presentation UMUC Inn and Conference Center, Adelphi, MD
04/04/2007
Overview of Climate and Land-Cover Change in the Arctic

Other Papers And Presentations (Second Author)

Type Year Title
Publications 2017 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., Ermold, W. and Zhang, J., 2017. Changing seasonality of panarctic tundra vegetation in relationship to climatic variables. Environmental Research Letters, 12(5), p.055003.
Publications 2017 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.
Publications 2012 Dynamics of aboveground phytomass of the circumpolar Arctic tundra during the past three decades
Publications 2011 Recent changes in phenology over the northern high latitudes detected from multi-satellite data
Poster Presentation 2011 Recent dynamics of arctic tundra vegetation: Remote sensing, field observations, and simulation modeling
Publications 2011 Modeling dynamics of tundra plant communities on the Yamal Peninsula, Russia, in response to climate change and grazing pressure
Poster Presentation 2010 Spatio-temporal dynamics in tall shrub cover near Kharp, northwest Siberia: linkages between shrub proliferation and disturbance
Poster Presentation 2009 Simulating soil organic nitrogen and grazing effects on arctic tundra vegetation dynamics on Yumal peninsula, Russia
Poster Presentation 2009 Modeling the distribution of circumpolar arctic vegetation
Poster Presentation 2009 Greening of Arctic tundra is linked to warming summer land temperatures and sea-ice declines