Coastal Relief Models (CRMs)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 18, 2025 | Last Modified: 2023-10-10T00:00:00.000+00:00

Coastal Relief Models CRMs provide seamless topographic and bathymetric bare-earth elevation profiles of coastal regions for US states and territories. Extents span from beyond the upper extent of coastal food zones, out to the continental shelf. As of 2023, new CRM releases are being produced at 1-arc-second horizontal resolution in a geographic WGS84 lat-lon grids. The vertical reference system is EGM2008 or Mean Sea Level (Hawaii and Puerto Rico).

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Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry Earth Science > Oceans > Bathymetry/Seafloor Topography > Water Depth Earth Science > Land Surface > Topography > Terrain Elevation > Digital Elevation/Terrain Model (DEM) Earth Science > Oceans > Coastal Processes > Coastal Elevation Other > Models > DEM > Digital Elevation Model 30 meters < 1 meter Coastal relief Gridded elevations Integrated bathymetry and topography Geographic Region > Northern Hemisphere Vertical Location > Sea Floor Vertical Location > Land Surface DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce

Complete Metadata

describedByType	application/octet-steam
identifier	gov.noaa.ngdc.mgg.dem:999901
issued	2023-10-10T00:00:00.000+00:00
language	[]
references	[ "https://www.ngdc.noaa.gov/mgg/global/relief/CRM/docs/1.0_CRM_2023_User_Guide.pdf" ]
rights	otherRestrictions
spatial	-62.25,17.0,-161.0,46.0
temporal	1890-01-01T00:00:00+00:00/2022-09-01T00:00:00+00:00

Location