NOAA@NSIDC Releases 1960, 1969, and 1970 Sea Ice Draft Data

NOAA@NSIDC is pleased to announce that the Submarine Upward Looking Sonar Ice Draft Profile Data and Statistics data set has been updated with historical data from 1960, 1969, and 1970. This data set consists of upward looking sonar draft data collected by submarines in the Arctic Ocean. It includes data from both U.S. Navy and Royal Navy submarine. These pre-satellite-era data are a significant and important addition to the slim record of sea ice thickness that researchers have to work with for this time period.

Data Set DOI:

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