GMRT Data Portal
- General Bathymetric Chart of the Oceans (GEBCO): global ocean floor bathymetric data sets, operated under the auspices of the International Hydrographic Organization (IHO) and the Intergovernmental Oceanographic Commission (IOC).
- Multibeam Advisory Committee (MAC) promotes best practices, cookbooks, and resources for multibeam data acquisition.
- Smith & Sandwell satellite predicted bathymetry.
- Shuttle Radar Topography Mission (SRTM).
- NASA’s Advanced Spaceborne Thermal Emission and Reflection Radiometer global DEM (ASTER) provides 30 m resolution of terrestrial areas throughout the world
- USGS National Elevation Dataset (NED) provides to 10 m resolution in some areas of the US.
- International Bathymetric Chart of the Arctic Ocean (IBCAO)
- SCAR Subglacial Topographic Model of the Antarctic (BEDMAP).