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Void filled SRTM data at CGIAR-CSI Archived 2013-02-07 at the Wayback Machine; USGS HydroSHEDS – Full resolution SRTM-based DEM for hydrological applications; Software that can read and process SRTM data: 3dem, GRASS GIS, SAGA GIS, MapWindow GIS, DG Terrain Viewer/Void Killer, Virtual Terrain Project
Demo map showing high-resolution SWBD coastlines. The SRTM Water Body Data (SWBD) is a geographical dataset (2003) encoding high-resolution worldwide coastline outlines in a vector format, published by NASA and designed for use in geographic information systems and mapping applications.
As of 2 April 2016, the entire catalogue of ASTER image data became publicly available online at no cost. [4] It can be downloaded with a free registered account from either NASA's Earth Data Search delivery system [5] or from the USGS Earth Explorer delivery system. [6]
This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.
This image uses high-resolution digital topography data from NASA's Shuttle Radar Topography Mission (SRTM) at JPL-Caltech . It is in the public domain in the United States. NASA shuttle
The Libre Map Project was started by Jared Benedict and around 100 additional individuals contributing money to purchase (or "liberate") a full set of 1:24K scale USGS topographic maps in Digital raster graphic form. [1] The map files were then hosted by archive.org to ensure the map data will continue to be freely available to everyone ...
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There are three SRTM file types: SRTM1 (download here): the most precise data with a resolution of one arcsecond (31 m at the equator), but which are only available for the United States and its dependencies. Each file represents a rectangle of a degree of an arc to a side referenced according to the coordinates of the bottom left corner.