Digital Elevation/Terrain Model (DEM) - NASA Earthdata
Nov 21, 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
Nov 20, 2025 · ASTER Global Digital Elevation Model V003The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) Version 3 …
NASADEM: Creating a New NASA Digital Elevation Model and …
MEaSUREs 2012 project focused on providing the scientific and civil communities with a state-of-the-art global DEM from SRTM processing improvements.
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 SRTM radar …
Create a DEM using Sentinel-1 Data - NASA Earthdata
Dec 3, 2024 · This recipe from NASA's Alaska Satellite Facility guides you through creating a Digital Elevation Model (DEM) from two Sentinel-1 SLC scenes. Follow the steps: create an interferogram, …
Alaska Satellite Facility's Radiometric Terrain Correction Project ...
Data used in the RTC project were all ALOS PALSAR Fine Beam (FBS, FBD) and Polarimetric (PLR) scenes in the ASF archive at the time. Spatial coverage of the RTC products includes global land …
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 Shuttle …
GEDI L1B Geolocated Waveform Data Global Footprint Level V002
Added elevation from the SRTM digital elevation model for comparison. Modified the method to predict an optimum algorithm setting group per laser shot. Added additional land cover datasets related to …
ASTER Global Digital Elevation Model V002 | NASA Earthdata
dataset. 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, …
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 Land Processes …