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

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 28, 2025 | Last Modified: 2025-09-11

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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earth-science-microwave-spectral-engineering-brightness-temperature earth-science-sea-ice-cryosphere-ice-extent earth-science-sea-ice-cryosphere-sea-ice-concentration

Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.5067/QOZIVYV3V9JP
landingPage	https://daacdata.apps.nsidc.org/pub/DATASETS/nsidc0007_smmr_radiance_seaice_v01/
programCode	[ "026:000" ]
spatial	["CARTESIAN",[{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":-39.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":-90.0},{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":90.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":30.0}]]
temporal	1978-10-25/1978-10-25
theme	[ "Earth Science" ]

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