• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-10-30T19:25:44.000+00:00

High resolution mapping data from vessel multibeam and submersible sonar systems; singlebeam and sub-botoom profile data; periodic CTD casts; submersible CTD data; underwater video from...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-10-07T00:00:00.000+00:00

Subbottom Profile data files: Subbottom Profiler

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-05-26T00:00:00.000+00:00

The 2004 Gulf of Alaska Seamount Expedition will use the deep submergence vehicle (DSV) Alvin to explore five large seamounts. Giacomini, Pratt, Welker, Denson, and Dickens seamounts stretch over...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-10T00:00:00.000+00:00

The 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts expedition (EX-21-04) was a combined mapping and remotely operated vehicle (ROV) expedition to the seamounts of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-06-30T00:00:00.000+00:00

The 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts expedition (EX-21-04) was a combined mapping and remotely operated vehicle (ROV) expedition to the seamounts of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-10T00:00:00.000+00:00

The 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts expedition (EX-21-04) was a combined mapping and remotely operated vehicle (ROV) expedition to the seamounts of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-12-23T00:00:00.000+00:00

This dataset contains oceanographic data collected along the continental slope submarine canyons, en route to and returning from the North Atlantic Seamount Chain. ROV operations were conducted on...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-01T19:54:34.000+00:00

exploratory deep-sea mapping operations

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-10-30T19:27:13.000+00:00

High resolution mapping data from vessel multibeam and submersible sonar systems; singlebeam and sub-bottom profile data; periodic CTD casts; submersible CTD data; underwater video from...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-10-01T19:55:15.000+00:00

Operations will include the use of the ship's deep-water mapping systems (Kongsberg EM302 multibeam sonar, EK60/EK80 split-beam fisheries sonars, Knudsen 3260 chirp sub-bottom profiler sonar, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-10-15T00:00:00.000+00:00

A list of Hawaiian fish species was created from contemporary and historical documents dating back to 1758. For each species, the name of the person who described and first named the species...

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• Organization: Department of the Interior
• Updated: 2024-09-24T00:00:00Z

This data release is a polygon shapefile representing prospective occurrence regions of ferromanganese crusts and abyssal ferromanganese nodules on the seafloor throughout the global oceans....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-11-06T20:04:37.000+00:00

Operations will include 24 hour/day mapping operations using the ship’s deep water mapping systems (Kongsberg EM302 multibeam sonar, EK60 split-beam fisheries sonars, ADCPs, and Knudsen...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-09-10T00:00:00.000+00:00

Subbottom Profile data files: Subbottom Profiler

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-05-01T00:00:00.000+00:00

Following annual ship shakedown and patch tests, EX1301 will complete the comprehensive mapping of the Northeast canyons and the adjacent continental shelf carried out by the cruises involved in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-10-30T19:13:04.000+00:00

Operations will include the use of the ship’s deep water mapping systems (Kongsberg EM302 multibeam sonar, EK60 split-beam fisheries sonars, ADCPs, and Knudsen 3260 chirp sub-bottom...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-06-01T00:00:00.000+00:00

Between May 13 and May 18, shakedown operations will: ensure all scientific sonars are in good working order after dry dock operations; assess noise reduction modifications to the sub-bottom...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-07-01T00:00:00.000+00:00

Transit mapping operations will collect bathymetric, water column backscatter, seafloor backscatter data, and sub-bottom profile data.

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