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    • Arctic Sea Ice Charts from Danish Meteorological Institute, 1893 - 1956, Version 1

    Metadata Updated: December 7, 2023

    These charts, created by the Danish Meteorological Institute (DMI), provide observed and inferred sea ice extent for each summer month from 1893 to 1956. From 1893 to 1956, the Danish Meteorological Institute (DMI) created charts of observed and inferred sea ice extent for each summer month. These charts are based on compiled observations of ice conditions reported by a variable network of national organizations, shore-based observers, scientific expeditions, and ships as detailed in each report; in cases where no observations were available, the lead mapmakers extrapolated further ice cover using their knowledge of ice movement. Except for where direct observations are indicated, caution is advised in using the charts’ ice edge because there is no way to quantify the assumptions used in extrapolating ice edge or the error involved in this method. See the note on reliability for further discussion of potential error. The charts were scanned at the Icelandic Meteorological Office (IMO) and are being made available here as a service and in cooperation with DMI and other contributors. In all, there are 266 image files containing 291 images.

    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 November 12, 2020
    Metadata Updated Date December 7, 2023

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date December 7, 2023
    Publisher NSIDC
    Maintainer
    Identifier C1386206533-NSIDCV0
    Data First Published 1893-04-01
    Language en-US
    Data Last Modified 1956-08-31
    Category geospatial
    Category Tag 16E15F51 D96E 4051 9124 75665Abdc6Ff "Arctic","Arctic Ocean, Sea Ice and Coasts"
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.nasa.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Citation Arctic Sea Ice Charts from Danish Meteorological Institute, 1893 - 1956, Version 1. Version 1. Archived by National Aeronautics and Space Administration, U.S. Government, National Snow and Ice Data Center. https://doi.org/10.7265/N56D5QXC.
    Harvest Object Id 66e54138-3bc9-41fc-9be2-a43d266fc5b3
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.7265/N56D5QXC
    Metadata Type geospatial
    Old Spatial -180.0 55.0 180.0 90.0
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash 8edfb00dc3eddf5dcf81cf1e9f2c6c7f1af05afb4292234401ebe3852a8a2690
    Source Schema Version 1.1
    Spatial
    Temporal 1893-04-01T00:00:00Z/1956-08-31T23:59:59.999Z

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