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Multibeam Bathymetry Database (MBBDB) NGDA
Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat classification,... -
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.... -
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 for Side-Scan Sonar Data NGDA
Marine Trackline Geophysical data represented within the side-scan sonar data are from towed instruments closer to the seafloor that use sound to image features on the ocean... -
Marine Trackline Geophysical Database for Sub-Bottom Seismic Data NGDA
Marine Trackline Geophysical data represented by sub-bottom seismic data, which we sometimes also call chirp (based on its operating mode), uses a 3.5 kHz operating frequency.... -
Marine Trackline Geophysical Database for M77 Data NGDA
Marine Trackline Geophysical data represented by the M77 tag are inclusive of singlebeam bathymetry, marine magnetic, and gravity data and were collected during marine cruises...
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