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#1 Federal
Marine Trackline Geophysical Database
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: September 15, 2023 at 12:00 AM
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. These data are stored...
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Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 09:07 AM
#2 Federal
Marine Trackline Geophysical Database for Sub-Bottom Seismic Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Dataset Last Updated: September 15, 2023 at 12:00 AM
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. Research vessels use...
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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 09:08 AM

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