30 arc-second DEM of Asia

Jul 29, 2010 (Last modified Aug 2, 2010)
Description:
GTOPO30 is a global digital elevation model (DEM) resulting from a collaborative effort led by the staff at the U.S. Geological Survey's EROS Data Center in Sioux Falls, South Dakota.  The name GTOPO30 is derived from the fact that elevations in GTOPO30 are regularly spaced at 30-arc seconds (approximately 1 kilometer).  GTOPO30 was developed to meet the needs of the geospatial data user community for regional and continental scale topographic data. This release represents the completion of global coverage of 30-arc second elevation data that have been available from the EROS Data Center beginning in 1993. Several areas have been updated and the entire global data set has been repackaged, so these data supersede the previously released continental data sets.
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U.S. Geological Survey's Center for Earth Resources Observation and Science (EROS)
Content date:
1996
Citation:
Title: 30 arc-second DEM of Asia
Credits: U.S. Geological Survey's Center for Earth Resources Observation and Science (EROS)
Publication Date: 1996
Other Citation Info: National Aeronautics and Space Administration (NASA), the United Nations Environment Programme/Global Resource Information Database (UNEP/GRID), the U.S. Agency for International Development (USAID), the Instituto Nacional de Estadistica Geografica e Informatica (INEGI) of Mexico, the Geographical Survey Institute (GSI) of Japan, Manaaki Whenua Landcare Research of New Zealand, and the Scientific Committee on Antarctic Research (SCAR).

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Creative Commons LicenseThis work is licensed under a Creative Commons Attribution-Noncommercial 3.0 License.
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