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NOS Hydrographic Surveys Collection NGDA recent views
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
NCEI Geothermal Database recent views
Geothermics is the study of heat generated in Earth's interior and its manifestation at the surface. The NOAA National Centers for Environmental Information has a variety of... -
Marine Trackline Geophysical Database NGDA recent views
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.... -
Multibeam Bathymetry Database (MBBDB) NGDA recent views
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 for Sub-Bottom Seismic Data NGDA recent views
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.... -
Coastal Digital Elevation Models (DEMs) recent views
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... -
Marine Trackline Geophysical Database for M77 Data NGDA recent views
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... -
Marine Trackline Geophysical Database for Side-Scan Sonar Data NGDA recent views
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...
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