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Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1

Published by NASA NSIDC DAAC;NASA/GSFC/EOS/EO | National Aeronautics and Space Administration | Catalog Last Checked: June 25, 2026 at 01:30 PM | Dataset Last Updated: June 23, 2026
This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. Brightness temperature and sea ice concentration grids have 25 x 25 km grid elements in polar stereographic projection.

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