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    • GLERL Great Lakes Ice Concentration Data Base, 1960-1979, Version 1

    Metadata Updated: September 19, 2025

    This data set consists of ice concentration grids from 1960 to 1979 for the Great Lakes. Over 2800 charts were digitized to produce this data base. The data were given to NSIDC by the NOAA Great Lakes Environmental Research Laboratory (GLERL), Ann Arbor, MI.

    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 April 11, 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 April 11, 2025
    Metadata Updated Date September 19, 2025
    Publisher NSIDC
    Maintainer
    Identifier 10.7265/N5G44N6G
    Data Last Modified 2025-09-11
    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 5f2cc50b-35cc-442a-9d16-8f4c00696dfc
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://noaadata.apps.nsidc.org/NOAA/G00804/
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-93.0,"NorthBoundingCoordinate":49.0,"EastBoundingCoordinate":-76.0,"SouthBoundingCoordinate":41.0}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash ee2a16ecae310610919c85c31febf9196dc65d777c939dbc5db094a0aaf8a60d
    Source Schema Version 1.1
    Spatial
    Temporal 1960-11-01/1960-11-01

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