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Digital Elevation/Terrain Model (DEM) Data Access and Tools
NASA's digital elevation model (DEM) data provides measurements across a majority of Earth's interior, shore, and coastal areas. Our datasets and tools help researchers translate these interconnected data points into actionable knowledge.
Digital Elevation/Terrain Model (DEM) Datasets
| Dataset | Version Sort ascending | Platforms | Instruments | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| Delta-X: AirSWOT L2 Geocoded Water Surface Elevation, MRD, LA, 2021, V3 | 3 | King Air | AirSWOT | 2021-03-26 to 2021-09-12 |
N: 29.86 S: 28.98 E: -90.21 W: -91.6 |
multiple | |
| Altimeter Corrected Elevations, Version 2 (ACE2) | 2.0 | STS-99 | SRTM | 1994-01-01 to 2005-12-31 |
N: 90 S: -90 E: 180 W: -180 |
GeoTIFF, PDF, PNG | |
| Delta-X: AirSWOT L3 Water Surface Elevations, MRD, Louisiana, 2021, Version 2 | 2 | King Air | AirSWOT | 2021-03-26 to 2021-09-12 |
N: 29.76 S: 29.07 E: -90.58 W: -91.54 |
CSV | |
| CMS: LiDAR-derived Tree Canopy Cover for States in the Northeast USA | 1.1 | MODELS, Airplane | Computer, AIRBORNE LASER SCANNER, CAMERAS | 2008-01-01 to 2014-08-30 |
N: 43.0987 S: 37.7092 E: -74.1541 W: -81.1415 |
GeoTIFF | |
| LBA-ECO LC-15 SRTM30 Digital Elevation Model Data, Amazon Basin: 2000 | 1.1 | SPACE SHUTTLES | RADAR | 2000-02-11 to 2000-02-22 |
N: 13.8583 S: -21.1277 E: -33.5739 W: -82.7209 |
multiple | |
| SnowEx20 Grand Mesa IOP QSI Lidar Snow Depth Data V001 | 1 | AIRCRAFT | LIDAR | 2020-02-01 to 2020-02-02 |
N: 39.039456 S: 39.009209 E: -108.157747 W: -108.21092 |
1 Meters x 1 Meters | GeoTIFF |
| AfriSAR: Polarimetric Height Profiles by TomoSAR, Lope and Rabi Forests, Gabon, 2016 | 1 | UAV | UAVSAR | 2016-02-25 to 2016-02-28 |
N: 0.100091 S: -2.08153 E: 11.859 W: 9.67202 |
HDF5 | |
| BOREAS Regional DEM in Raster Format and AEAC Projection | 1 | DEM | DIGITIZER | 1993-08-01 to 1996-12-31 |
N: 58.98 S: 50.09 E: -93.5 W: -111 |
Binary | |
| SnowEx20-21 QSI Lidar DEM 0.5m UTM Grid V001 | 1 | King Air | LIDAR | 2021-09-16 to 2021-09-21 |
N: 44.3658 S: 43.0343 E: -114.8547 W: -117.0661 N: 40.6041 S: 40.5161 E: -111.5989 W: -111.7319 N: 40.5841 S: 38.9681 E: -105.7432 W: -108.3384 |
0.5 Meters x 0.5 Meters | TIFF |
| CMS: LiDAR Data for Forested Areas in Paragominas, Para, Brazil, 2012-2014 | 1 | Airplane | LIDAR | 2012-07-27 to 2014-12-27 |
N: -2.55319 S: -3.76718 E: -46.7931 W: -48.4958 |
multiple |
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Featured Digital Elevation/Terrain Model Observation Method: ASTER
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a high spatial resolution instrument aboard the Terra satellite. ASTER provides a Global Digital Elevation Models (GDEM) of Earth's land surface at approximately 30-meter spatial resolution.
Version 3 of the ASTER Global Digital Elevation Model (GDEM) provides new features and sharper imagery.
These products are available globally at their full resolution of 30 meters per pixel.
Looking for synthetic aperture radar (SAR) data? Learn how to discover, access and manipulate SAR data with the newly revamped NASA ASF DAAC Vertex tool. We'll showcase common data access methods and some of the advanced features of this data discovery and data access tool.
NASA's Commercial Satellite Data Acquisition program enables this Satellite Needs Working Group solution by providing access to two 2.0 m Digital Elevation Model (DEM) products.
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