High-resolution raster hydrography maps are a fundamental data source for many geoscience applications. Here we introduce MERIT Hydro, a new global flow direction map at 3 arc-second resolution (~90 m at the equator) derived from the latest elevation data (MERIT DEM) and water body dat
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HYDROBASIN WITH NOLAKE EUROPE AND AFRICA HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data; DTED-1 finished dat
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DRAINAGE BASIN (watershed boundariers AT 30s RESOLUTION HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data
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DRAINAGE BASIN (watershed boundariers AT 15s RESOLUTION HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data
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RIVER NETWORK AT 30s RESOLUTION HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data; DTED-1 finished data; and CG
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RIVER NETWORK AT 15s RESOLUTION HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data; DTED-1 finished data;
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HydroSHEDS is derived primarily from elevation data of the Shuttle Radar Topography Mission (SRTM) at 3 arc-second resolution. SRTM data were used in different versions and processing stages, including SRTM-3 unfinished data; DTED-1 finished data; and CGIAR void-filled SRTMv2 data. A v
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The Shuttle Radar Topography Mission (SRTM) was flown aboard the space shuttle Endeavour February 11-22, 2000. The National Aeronautics and Space Administration (NASA) and the National Geospatial-Intelligence Agency (NGA) participated in an international project to acquire radar data w
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The SRTM digital elevation data, produced by NASA originally,has been a major breakthrough in digital mapping of the world. It is provided in an effort to promote the use of geospatial science and applications for sustainable development and resource conservation in the developing worl
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Global Digital Elevation Model (ASTGTM) was developed jointly by the U.S. National Aeronautics and Space Administration (NASA) and Japan’s Ministry of Economy, Trade, and Industry (METI). ASTER is capable of collecting in-track stereo using nadir- and aft-looking near infrared cameras.
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The Shuttle Radar Topography Mission (SRTM) was flown aboard the space shuttle Endeavour February 11-22, 2000. The National Aeronautics and Space Administration (NASA) and the National Geospatial-Intelligence Agency (NGA) participated in an international project to acquire radar data w
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