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

    Metadata Updated: November 14, 2025

    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.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date June 18, 2025
    Metadata Updated Date November 14, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 18, 2025
    Metadata Updated Date November 14, 2025
    Publisher NASA NSIDC DAAC
    Maintainer
    Identifier 10.5067/QOZIVYV3V9JP
    Data Last Modified 2025-09-11
    Category Earth Science
    Category Tag 16E15F51 D96E 4051 9124 75665Abdc6Ff "Arctic","Arctic Ocean, Sea Ice and Coasts","Melting Glaciers, Snow and Ice"
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id ecf9d61e-1cb2-4ff5-9786-b595acacd8e7
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://daacdata.apps.nsidc.org/pub/DATASETS/nsidc0007_smmr_radiance_seaice_v01/
    Old 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}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash b265420cbc2111b11be3435059f2e1f29cda00501112b9c0fd6b33095d5853ab
    Source Schema Version 1.1
    Spatial
    Temporal 1978-10-25/1978-10-25

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