USGS 30 ARC-second Global Elevation Data, GTOPO30
GTOPO30 is a global raster digital elevation model (DEM) providing terrain elevation data with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from several raster and vector sources of topographic information. For easier distribution, GTOPO30 has been div...
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Format: | Dataset |
Language: | English |
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UCAR/NCAR - Research Data Archive
1997
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Online Access: | https://dx.doi.org/10.5065/a1z4-ee71 https://rda.ucar.edu/datasets/ds758.0/ |