Global Land Cover Characterization (GLCC) is a series of global land cover classification datasets that are based primarily on the unsupervised classification of 1-km AVHRR (Advanced Very High Resolution Radiometer) 10-day NDVI (Normalized Difference Vegetation Index ) composites. The AVHRR source imagery dates from April 1992 through March 1993. Ancillary data sources included digital elevation data, ecoregions interpretation, and country- or regional-level vegetation and land cover maps.
The following classifications are included in the GLCC database:
Global Ecosystems
IGBP Land Cover Classification
U.S. Geological Survey Land Use/Land Cover System
Simple Biosphere Model
Simple Biosphere 2 Model
Biosphere Atmosphere Transfer Scheme
Vegetation Lifeform
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