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New Global Digital Terrain Model

Nedjeljko Frančula


In 1996 U.S. Geological Survey (USGS) developed a global digital terrain model GTOPO30 with the location resolution of 30" (approximately 1 km at the Equator). Despite the coarse resolution and limited attributes GTOPO30 has been applied a lot for different hydrological, climatological, geomorphologic and military use on a regional, continental and a global level.

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