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Southern Alaska Coastal Relief Model NOAA Coastal Relief Models

NOAA's National Geophysical Data Center (NGDC) is building coastal-relief models (CRM) for select U.S. coastal regions. Bathymetric, topographic, and shoreline data used in DEM compilation are obtained from various sources, including NGDC, the U.S. National Ocean Service (NOS), the National , the United States Geological Survey (USGS), the National Aeronautics and Space Administration, the Office of Coast Survey (OCS) and other federal, state, and local government agencies, academic institutions, and private companies. DEMs are referenced to the vertical tidal datum of Mean Sea Level (MSL) and horizontal datum of World Geodetic System 1984 (WGS 84). Grid spacings for the Southern Alaska CRM is 24 arc-seconds (~720 meters).

Dáta a Dátové zdroje

Doplňujúce informácie

Pole Hodnota
Správca Barry Eakins
Posledná aktualizácia December 17, 2019, 10:36 (AKST)
Vytvorené December 17, 2019, 10:36 (AKST)
Stav Complete
Start Date 1888-01-01
End Date 2009-12-31