Digital Elevation/Terrain Model (DEM) - NASA Earthdata
Sep 30, 2025 · A digital elevation model (DEM) is a three-dimensional graphic of the "bare earth" surface of land shown without trees, buildings or other objects. DEMs can be created using …
ASTER Global Digital Elevation Model V003 - NASA Earthdata
ASTER Global Digital Elevation Model V003The ASTER GDEM Version 3 data product was created from the automated processing of the entire ASTER Level 1A archive of scenes …
New in CSDA: High Resolution Digital Elevation Models - Earthdata
Dec 7, 2021 · High-resolution Digital Elevation Models (DEM) for non-polar regions at two-meter spatial resolution are now available through NASA’s Commercial SmallSat Data Acquisition …
NASA Shuttle Radar Topography Mission Global 1 arc second V003
The purpose of SRTM was to generate a near-global digital elevation model (DEM) of the Earth using radar interferometry. SRTM was a primary component of the payload on the Space …
New Version of the ASTER GDEM | NASA Earthdata
Nov 4, 2020 · Version 3 of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) is now available from NASA’s …
Shuttle Radar Topography Mission (SRTM) | NASA Earthdata
The SRTM payload consisted of two radar antennas, one located in the shuttle's payload bay and the other installed on the end of a 200-foot mast that extended from the payload bay. Each …
NASA Begins Final ASTER Data Processing Campaign - Earthdata
Jan 21, 2025 · During that time, the ASTER Science Team has been able to provide the user community with a consistent suite of Level 1, 2, and 3 data products, and after 25 years, some …
ASTER Digital Elevation Model V004 - NASA Earthdata
May 15, 2025 · Description The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Digital Elevation Model (AST14DEM) product is generated using bands …
The Role of Terrain Data - NASA Earthdata
Jun 13, 2025 · Introduction Terrain data, such as information about elevation, slope, and aspect, can play an integral part in many land change and management studies. These data are …
ASTER Global Digital Elevation Model V002 - NASA Earthdata
The ASTER Global Digital Elevation Model (ASTGTM) was developed jointly by the U.S. National Aeronautics and Space Administration (NASA) and Japan’s Ministry of Economy, Trade, and …