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EM304 Water Column Sonar Data Collected During EX2301

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: April 12, 2026 at 08:37 PM | Dataset Last Updated: March 02, 2024 at 12:00 AM
From April 13-27, 2023 (Portland, Oregon, to Seattle, Washington), NOAA Ocean Exploration conducted the 2023 Shakedown + EXPRESS West Coast Exploration expedition (EX2301), an ROV and Mapping expedition to a shakedown the remotely operated vehicle (ROV), video, telepresence, seafloor mapping, and sampling operations aboard NOAA Ship Okeanos Explorer, as well as explore deep waters off the west coast of the United States. Operations during this 15-day expedition included the completion of 9 successful remotely operated vehicle (ROV) dives, which were conducted in water depths ranging from 650 m to 3960 m for approximately 45:34 hours of bottom time and resulted in the collection of 92 samples.

Resources

6 resources available

  • Water Column Sonar Data Map Viewer

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  • AWS Cloud Storage Bucket

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  • Water Column Sonar Data Archive Homepage

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  • GCMD Keyword Forum Page

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  • International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)

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  • NCEI Contact Information

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