30 Meter Global Land Cover
These global land cover layers are the product of a collaboration between
USGS and the University of Maryland, Department of Geographical Sciences. Thirty meter
resolution raster data layers for circa 2010 tree cover and bare ground and a persistent
surface water layer 2000-2012, have been derived from Landsat 7 ETM+ data. The tree cover
and bare ground data are per pixel estimates, 1 to 100% (given as integers values 1-100), the
water layer is a thematic layer (2 = water).
USGS has produced a set of thematic classifications of very high resolution
commercial remote sensing data for a 500 site global sample. The four
primary classes (Tree, Water, Barren and Other Vegetation) relate to the themes of the
30 m global land cover described above.
Global 30m Tree Cover
Global 30m Bare Ground
Global Land Cover Reference Data
(circa 2010,2m resolution)