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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 | Platforms | Instruments | Temporal Extent | Location Keywords | Spatial Extent | Data Format |
|---|---|---|---|---|---|---|
| SnowEx Colorado 3M Snow Depth Time Series and DEMs from High-Resolution Satellite Image Pairs V001 | AIRCRAFT, Pleiades-1A, Pleiades-1B, WORLDVIEW-2, WORLDVIEW-3 | LIDAR, CAMERA | 2016-02-19 to 2022-03-02, 2022-03-16 to 2022-05-11 | GRAND MESA | N: 39.216156 S: 38.785954 E: -107.747336 W: -108.382269 | GeoTIFF |
| SnowEx Mores Creek Summit (MCS) Airborne LiDAR Survey V001 | HELICOPTER | LIDAR | 2021-03-10 to 2025-05-01 | IDAHO | N: 43.974802141694 S: 43.913645323478 E: -115.64243768567 W: -115.73049873632 | GeoTIFF |
| SnowEx20 Grand Mesa IOP QSI Lidar Snow Depth Data V001 | AIRCRAFT | LIDAR | 2020-02-01 to 2020-02-02 | GRAND MESA | N: 39.039456 S: 39.009209 E: -108.157747 W: -108.21092 | GeoTIFF |
| SnowEx20-21 QSI Lidar DEM 0.5m UTM Grid V001 | King Air | LIDAR | 2021-09-16 to 2021-09-21 | COLORADO, IDAHO, UTAH | N: 44.3658 S: 43.0343 E: -114.8547 W: -117.0661 | TIFF |
| SnowEx20-21 QSI Lidar DEM 3m UTM Grid V001 | King Air | LIDAR | 2021-09-16 to 2021-09-21 | COLORADO, IDAHO, UTAH | N: 44.3658 S: 43.0343 E: -114.8547 W: -117.0661 | TIFF |
| SnowEx20-21 QSI Lidar Snow Depth 3m UTM Grid V001 | King Air | LIDAR | 2020-02-09 to 2020-02-19, 2021-03-15 to 2021-03-20 | COLORADO, IDAHO, UTAH | N: 44.3658 S: 43.0343 E: -114.8547 W: -117.0661 | TIFF |
| SnowEx23 Airborne Lidar-Derived 0.5M Snow Depth and Canopy Height V001 | CESSNA 206 | Riegl Airborne Lidar | 2022-03-11 to 2023-10-25 | ALASKA | N: 70 S: 64.5 E: -148 W: -148.5 | GeoTIFF |
| SnowEx23 Bonanza Creek Experimental Forest Terrestrial Lidar Scans V001 | GROUND-BASED OBSERVATIONS | GPS RECEIVERS, LIDAR | 2022-10-22 to 2022-10-27, 2023-03-08 to 2023-03-26 | ALASKA | N: 64.714 S: 64.697 E: -148.278 W: -148.325 | GeoTIFF |
| Soil Moisture Active Passive (SMAP) L1-L3 Ancillary Static Data V001 | NOT APPLICABLE | NOT APPLICABLE | 2015-01-14 to Present | GLOBAL LAND | N: 86.4 S: -86.4 E: 180 W: -180 | Binary, HDF5, ASCII |
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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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