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128 results found Displaying entries 121 - 128 of 128 in total

Upper Kuparuk River Region NDVI trend 1985-2007 (Raynolds et al 2010)

Aga upper kuparuk landsat ndvi trend 1985 2007 Landsat TM and ETM data were used to calculate NDVI for the study area (823 km<sup>2</sup>). This image shows the results of a slope of linear regression of NDVI for 1985, 1989, 1995, 1999, 2004, 2007. Only pixels with significant trends (p < 0.05) area shown. The research was funded by NSF grants for studying the Greening of the Arctic and Seasonality: NSF grants OPP-0120736, ARC-0531180, and...
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2018-08-09 15:17:10 -0800
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Upper Kuparuk River Region SPOT CIR

Aga upper kuparuk spot cir 1995 The French SPOT satellite data (20-m resolution) were obtained on 28 July 1989 and provides a view of the mapped region from space. The false-color infrared image shows more densely vegetated areas as brighter red tones. When compared with the glacial geology map, the older Sagavanirktok-age glacial landscapes have few lakes and redder tones indicating more dense vegetation, and the younger...
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2018-08-09 15:17:11 -0800
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Upper Kuparuk River Region SPOT NDVI

Aga upper kuparuk spot ndvi 1985 The French SPOT satellite data (20-m resolution) were obtained on 28 July 1989 and provides a view of the mapped region from space. NDVI is an index of vegetation greenness that can be linked to plant biomass and other biophysical properties of the vegetation, such as CO2 and photosynthesis. The NDVI = (NIR - R)/(NIR + R), where NIR and R are the spectral reflectance values of the near-infrared...
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2018-08-09 15:17:11 -0800
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Upper Kuparuk River Region Surficial Geology

Aga upper kuparuk surfgeol walker 2008 This integrated terrain unit map of the Upper Kuparuk River region is for creating a range of maps, based on the geology, soils and vegetation of the area.
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2018-08-09 15:11:49 -0800
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Upper Kuparuk River Region Surficial Geomorphology

Aga upper kuparuk surfgeom walker 2008 This integrated terrain unit map of the Upper Kuparuk River region is for creating a range of maps, based on the geology, soils and vegetation of the area.
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2018-08-09 15:11:48 -0800
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Upper Kuparuk River Region Vegetation (Walker & Maier 2008)

Aga upper kuparuk vegetation walker 2008 The vegetation of the Upper Kuparuk River Region was studied and mapped as part of the Arctic Long-Term Ecological Research (LTER) project at Toolik Lake and the Department of Energy R4D (Response, Resistance, Resilience and Recovery of vegetation from Disturbance). Project at Imnavait Creek (Walker et al. 1994, Walker and Walker 1996). Fifty-seven plant communities and land-cover types were...
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2018-08-09 15:17:10 -0800
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Vegetation Mapping of the Arctic Refuge Coastal Plain (Jorgenson et al. 1996)

Vegtm30 This landcover map of the coastal plain of the Arctic National Wildlife Refuge in northeastern Alaska was produced by the U.S. Fish & Wildlife Service, and published in 1995. It is based on classification of 30-m resolution Landsat-TM satellite imagery, local topographic data, a map of terrain types, aerial photographs, and extensive field data from 1988-93. Sixteen landcover types are...
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2019-06-28 14:29:58 -0800
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West Dock Patterned-Ground 10 x 10 m Grids

The West Dock biocomplexity grid is located near the water pumping facility at West Dock in the Prudhoe Bay oilfield, AK, within 1 km of the Beaufort Sea coast. There is one 10 x 10 m grid with nontussock sedge, prostrate dwarf-shrub, moss tundra on sandy soils. Back to <a href="/catalogs/11651-patterned-ground-10-x-10-m-grids-raynolds-et-a">Patterned-Ground 10 x 10 m Grids</a> <h4>Map...
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2018-08-09 15:17:10 -0800
6jc8g1ukz3 nsf
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