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Coastal Relief Models (CRMs)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: May 05, 2026 at 11:32 PM | Dataset Last Updated: October 10, 2023 at 12:00 AM
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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