Surface Topography
Surface Topography
Elevation, slope, DEMs | ASF SDC
http://www.asf.alaska.edu | - RADARSAT-1, ERS-1, ERS-2, JERS-1 and PALSAR SAR images
- UAVSAR- Uninhabited Aerial Vehicle Synthetic Aperture Radar
| CDDIS
http://cddis.gsfc.nasa.gov | - Ground Network/Satellite Measurements: Daily, hourly, and sub-hourly code and phase observations from GNSS ground network; Daily and sub-daily GNSS satellite orbits and clocks; Daily and hourly files of round trip time of flight from satellite laser ranging (SLR) ground network; Time-tagged range-rate measurements from DORIS ground network
- Station positions and velocities from GNSS, SLR, VLBI and DORIS ground networks
| LP DAAC
https://lpdaac.usgs.gov | - ASTER Level 3 Digital Elevation Model
- ASTER Level 3 Global Digital Elevation Model (GDEM) 1 Arc-Second
| NSIDC DAAC
http://nsidc.org/daac | - Radarsat Antarctic Mapping Project Digital Elevation Model Version 2
- RAMP AMM-1 SAR Image Mosaic of Antarctica
- GLAS/ICESat L2 Global Land Surface Altimetry Data
- GLAS/ICESat L1B Global Elevation Data
- Greenland 5 km DEM, Ice Thickness, and Bedrock Elevation Grids
- Antarctic 5-km Digital Elevation Model from ERS-1 Altimetry
- MODIS Mosaic of Antarctica (MOA) Image Map
- GLAS/ICESat 500 m Laser Altimetry Digital Elevation Model of Antarctica
- GLAS/ICESat 1 km Laser Altimetry Digital Elevation Model of Greenland
- Operation IceBridge Aircraft Data Sets (a large collection of data sets bridging the ICESat-1 and ICESat-2 missions)
| ORNL DAAC
http://daac.ornl.gov | - FLUXNET, MODIS ASCII Subset, and Net Primary Productivity (NPP) site elevation and other topographic feature extraction with WebGIS
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