IEDA: Marine Geoscience Data System
MGDS NSF will be undergoing site maintenance on Saturday, February 25. This may cause temporary interruptions in service. We apologize for any inconvenience this may cause.

GMRT Data Portal

Related Links

  • 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).

Project Documents