GAP/LANDFIRE National Terrestrial Ecosystems 2011
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https://www.sciencebase.gov/catalog/item/573cc51be4b0dae0d5e4b0c5
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资源简介：
The U.S. Geological Survey Gap Analysis Program (GAP) National Terrestrial Ecosystems - Ver 3.0 is a 2011 update of the National Gap Analysis Program Land Cover Data - Version 2.2 for the conterminous U.S. The GAP National Terrestrial Ecosystems - Version 3.0 represents a highly thematically detailed land cover map of the U.S. The map legend includes types described by NatureServe's Ecological Systems Classification (Comer et al. 2002) as well as land use classes described in the National Land Cover Dataset 2011 (Homer et al. 2015). These data cover the entire continental U.S. and are a continuous data layer. These raster data have a 30 m x 30 m cell resolution. GAP used the best information available to create the land cover data; however GAP seeks to improve and update these data as new information becomes available.
提供机构：
U.S. Geological Survey
创建时间：
2017-09-14
