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Alaska Arctic AVHRR NDVI Map
The normalized difference vegetation index (NDVI) is a measure of greenness. NDVI was calculated as: NDVI = (NIR - R) / (NIR + R), where NIR is the spectral reflectance in the... -
Alaska Arctic Bioclimate Subzone Map
Various authors, working with different geobotanical traditions, have divided the Arctic into bioclimatic regions using a variety of terminologies. The origins of these... -
Alaska Arctic Elevation Map
Elevation strongly influences soil moisture and patterns of tundra plant communities. Areas less than 100 m above sea level were separated to show low-elevation plains. Areas... -
Alaska Arctic Floristic Provinces Map
The Arctic has a relatively consistent core ofplant species that occur throughout the circumpolar region, but there is also considerable east to west variation in regional... -
Alaska Arctic Landscape Map
The landscape physiography map displays regions of plains, hills, mountains, glaciers and lakes. Generally, plains are flat or gently rolling landscapes less than 200 m above... -
Alaska Arctic Substrate Chemistry Map
Differences in substrate chemistry, including pH, govern the availability of essential plant nutrients. Soils in the circumneutral range (pH 5.5-7.2) are generally mineral rich,... -
Alaska Arctic Tundra Vegetation Map (Raynolds et al. 2006)
The Alaska Arctic Tundra Vegetation Map (AATVM) is a geoecological map of the Arctic Tundra within Alaska. It includes areas north and west of the forest boundary and excludes... -
Alaska Arctic Vegetation Map
Mapped polygons at 1:7.5 million scale contain many vegetation types. The map portrays the zonal vegetation within each mapped polygon. Zonal sites are areas where the... -
AVA-AK: Arctic Network (Jorgenson et al. 2009)
Arctic Vegetation Archive - Alaska: Arctic Network. Vegetation sampling for an ecological land survey classification and landcover map was completed for the over 19.5 million... -
AVA-AK: Arrigetch Peaks (Cooper 1983)
Arctic Vegetation Archive - Alaska: Arrigetch Peaks. The vegetation of Arrigetch Peaks was described and mapped by David J. Cooper for his PhD thesis funded by National Park... -
AVA-AK: ATLAS-1 (Atqasuk, Barrow, Ivotuk, Oumalik) Vegetation Studies (Edward...
Arctic Vegetation Archive-Alaska: ATLAS-1. Vegetation from 15 releves within 8 different grids at Barrow, Atqasuk, Ivotuk and Oumalik were described as part of the NSF-funded... -
AVA-AK: ATLAS-2 Vegetation Studies (Raynolds et al. 2002)
Arctic Vegetation Archive - Alaska: ATLAS-2 The ATLAS-2 dataset is part of larger NSF-funded Arctic Transition in Land-Atmosphere System (ATLAS) project. ATLAS-2 contains the... -
AVA-AK: Atqasuk Vegetation Plots (Komárková & Webber 1980; Villarreal 2013)
Arctic Vegetation Archive - Alaska: Atqasuk. The Atqasuk vegetation plots were originally described and mapped by Drs. Vera Komárková and Patrick J. Webber in 1975 as part of... -
AVA-AK: Barrow DOE NGEE-Arctic (Sloan et al. 2014)
Arctic Vegetation Archive - Alaska: Barrow DOE NGEE-Arctic. As part of a larger study to understand the structure and function of Arctic terrestrial ecosystems response to... -
AVA-AK: Barrow Vegetation Plots (Webber 1978; Villerreal et al. 2013)
Arctic Vegetation Archive-Alaska: Barrow. The Barrow vegetation plots were originally described and mapped by Dr. Patrick J. Webber in 1972 as part of the International... -
AVA-AK: Cape Thompson Vegetation Plots (Johnson et al. 1966)
Arctic Vegetation Archive - Alaska: Cape Thompson Vegetation Plots. The vegetation of the Cape Thompson region at Ogotoruk Creek was described by A. W. Johnson et al. during... -
AVA-AK: Flux Towers-Zona (Barrow, Atqasuk, Ivotuk) (Davidson et al. 2016a, Da...
Arctic Vegetation Archive - Alaska: Flux Towers-Zona: Vegetation plots within the Flux Towers-Zona project eddy covariance tower footprints at Barrow: (three towers) including... -
AVA-AK: Frost Boil Vegetation Plots (Kade et al. 2005)
Arctic Vegetation Archive - Alaska: Frost Boil Vegetation Plots. The vegetation associated with cryoturbated frost-heave features on the North Slope, Alaska was described by... -
AVA-AK: Happy Valley Vegetation Plots (Walker et al. 1997)
Arctic Vegetation Archive - Alaska: Happy Valley Vegetation Plots. The Happy Valley research site is located along the Sagavanirktok River in a glaciated valley of the northern... -
AVA-AK: Imnavait Creek Vegetation Plots (Walker et al. 1987a)
Arctic Vegetation Archive - Alaska: Imnavait Creek Vegetation Plots. Vegetation in the vicinity of the Imnavait Creek field site located in the Upper Kuparuk watershed of the...
