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    • Arctic and Southern Ocean Sea Ice Concentrations, Version 1

    Metadata Updated: September 19, 2025

    This data set provides monthly sea ice concentration for the Arctic from 1901 to 1995 and for the Southern Oceans from 1973 to 1990 on a standard 1-degree grid (cylindrical projection) to provide a relatively uniform set of sea ice extent for all longitudes. The data are in ASCII format and are available via FTP.

    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 September 19, 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 September 19, 2025
    Publisher NSIDC;NOAA
    Maintainer
    Identifier 10.7265/N5057CVT
    Data Last Modified 2025-09-10
    Category Earth Science
    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 c5e6a957-ce80-4dc0-9e8f-561837a402a5
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://noaadata.apps.nsidc.org/NOAA/G00799/
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":-50.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":-90.0},{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":90.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":40.0}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash f36d138597f8a7d067d1e6923487a1c076b1577d47661e8a50f53d91722bd5d5
    Source Schema Version 1.1
    Spatial
    Temporal 1953-01-01/1953-01-01

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