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Satellite imagery from the Landsat 5 Thematic Mapper sensor and the Landsat 8 Operational Land Imagery were used to investigate changes in overall evergreen vegetation occurring between the 1986-1989 and 2013-2014 time periods. Two path/rows of imagery, from the spring, summer, and fall seasons for each time period were mosaicked together. The imagery was then subset to remove the presence of clouds from the datasets. Images were further subset using the impervious data from the 2011 version of the National Land Cover Database. Unsupervised classification was used to spate each time period imageinto two classes, evergreen vegetation and everything else. Each subsequent time period was subjected to successive unsupervised...
This data set combines USGS Hydrologic Units (Subbasins = 5th field HUC) with the Protected Areas Database maintained by the Conservation Biology Institute (
Gifford Pinchot National Forest inventoried roadless areas

    map background search result map search result map Protected Areas GPNF Roadless Areas Intact Forest Landscapes of Alberta, Canada Evergreen Change in Central Oklahoma from 1986 - 2014 GPNF Roadless Areas Protected Areas Evergreen Change in Central Oklahoma from 1986 - 2014 Intact Forest Landscapes of Alberta, Canada