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CGIAR-CSI SRTM dataset information page

Short Description

Coverage map of the CGIAR-CSI SRTM dataset

Statement: Improved and void-filled global topographic model of the SRTM data; 3 arc-second (~90 m) cell size

Abstract: The CGIAR-CSI GeoPortal is able to provide SRTM 90m Digital Elevation Data for the entire world. The SRTM digital elevation data, produced by NASA originally, is a major breakthrough in digital mapping of the world, and provides a major advance in the accessibility of high quality elevation data for large portions of the tropics and other areas of the developing world. The SRTM digital elevation data provided on this site has been processed to fill data voids, and to facilitate it's ease of use by a wide group of potential users. This data is provided in an effort to promote the use of geospatial science and applications for sustainable development and resource conservation in the developing world. Digital elevation models (DEM) for the entire globe, covering all of the countries of the world, are available for download on this site. The SRTM 90m DEM's have a resolution of 90m at the equator, and are provided in mosaiced 5 deg x 5 deg tiles for easy download and use. All are produced from a seamless dataset to allow easy mosaicing. These are available in both ArcInfo ASCII and GeoTiff format to facilitate their ease of use in a variety of image processing and GIS applications. Data can be downloaded using a browser or accessed directly from the ftp site.

Data format

Data type: Topography
Data origin: Modeled
Data format: GeoTIFF, SDTS
Other format: Arc ASCII
Data resolution: 3 arc-second (~90 m) cell size
Datum: WGS 84 ellipsoid

Data Coverage

Spatial data coverage: Global (excluding Antarctica)
Temporal data coverage: Time snap shot
Time period covered: Feb 2000


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