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The Shuttle Radar Topography Mission is an international project spearheaded by the U.S. National Geospatial-Intelligence Agency ( NGA ), an agency of the U.S. Department of Defense, and the U.S. National Aeronautics and Space Administration ( NASA ). NASA transferred the SRTM payload to the Smithsonian National Air and Space Museum in 2003 ...
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. It was created by BAE Systems ADR for the US National Geospatial-Intelligence Agency (NGA) as a ...
The Surface Water and Ocean Topography ( SWOT) mission is a satellite altimeter jointly developed and operated by NASA and CNES, the French space agency, in partnership with the Canadian Space Agency (CSA) and UK Space Agency (UKSA). [2] The objectives of the mission are to make the first global survey of the Earth's surface water, to observe ...
2 Void-filled SRTM datasets. 2 comments. 3 Original motivation for mission? 1 comment. 4 Aster GDEM released. 2 comments. 5 Void filled datasets. 1 comment. 6 DTM or ...
Soil Moisture Active Passive ( SMAP) is a NASA environmental monitoring satellite that measures soil moisture across the planet. It is designed to collect a global 'snapshot' of soil moisture every 2 to 3 days. With this frequency, changes from specific storms can be measured while also assessing impacts across seasons of the year. [5]
NASA WorldWind is an open-source (released under the NOSA license and the Apache 2.0 license) virtual globe. According to the website ( https://worldwind.arc.nasa.gov/ ), "WorldWind is an open source virtual globe API. WorldWind allows developers to quickly and easily create interactive visualizations of 3D globe, map and geographical information.
Synthetic-aperture radar ( SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as landscapes. [1] SAR uses the motion of the radar antenna over a target region to provide finer spatial resolution than conventional stationary beam-scanning radars.
Regions with no data coverage are padded by bathymetric data from the dataset collected by the Shuttle Radar Topography Mission. The gridded product is made available to the public at a 500m x 500m resolution in a polar stereographic projection ( EPSG : 9354) with either bedrock data of the Antarctic continent based on BedMachine [2] and data ...