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Submarine Upward Looking Sonar Ice Draft Profile Data and Statistics, Version 1

Published by NSIDC | National Aeronautics and Space Administration | Catalog Last Checked: June 25, 2026 at 01:34 PM | Dataset Last Updated: June 23, 2026
This data set consists of upward looking sonar sea ice draft data collected by submarines in the Arctic Ocean. It includes data from both U.S. Navy and Royal Navy submarines. Data are provided as ice draft profiles and as statistics derived from the profile data. Statistics files include information concerning ice draft characteristics, keels, level ice, leads, un-deformed and deformed ice.

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