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Multibeam Bathymetry Database (MBBDB) NGDA 25 recent views
Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat classification,... -
Coastal Digital Elevation Models (DEMs)
Digital elevation models (DEMs) of U.S. and other coasts that typically integrate ocean bathymetry and land topography. The DEMs support NOAA's mission to understand and predict... -
NOS Hydrographic Surveys Collection NGDA
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
Marine Trackline Geophysical Database NGDA
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is worldwide....