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Raster file of snow cover index at 30m pixel level developed from path36: 14 March, path 35: 1998, 3730: 2 February, 1986, and 1 February, 1998, Landsat images. These images were classified separately and then mosaicked together. Extent corresponds to the area of the Central Wyoming and Lander Extent mapping boundary. Snow classification ranges across five classes from 'No Snow' as class 1 and 'Complete Snow Coverage' as class 5.
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Multi-season satellite imagery (Landsat ETM+) from 1999-2001 were used in conjunction with digital elevation model (DEM) derived datasets (e.g. elevation, landform, aspect, etc.) to model natural and semi-natural vegetation. The minimum mapping unit for this dataset is approximately 1 hectare. Landcover classes are drawn from NatureServe's Ecological System concept. For the majority of classes, a decision tree classifier was used to discriminate landcover types, while a minority of classes (e.g. urban classes, burn scars, etc.) were mapped using other techniques..
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Raster file of land use and land cover mapping in the 'Lander' study area at 30m pixel level. Map extent corresponds to 6,490,062 acre area of central Wyoming in the counties Fremont, Natrona, Carbon, Sweetwater, and Hot Springs. A 3km buffer was applied to map extent extending the raster file into the counties of Washakie, Park, Teton, and Sublette.


    map background search result map search result map Land Cover Mapping Database for Central Wyoming - 30 meter Snow Cover Mapping Database for Central Wyoming/Lander 30 meter GAP Ecological Systems (Gap Analysis Program - Northwest) 30m for Wyoming Land Cover Mapping Database for Central Wyoming - 30 meter Snow Cover Mapping Database for Central Wyoming/Lander 30 meter GAP Ecological Systems (Gap Analysis Program - Northwest) 30m for Wyoming