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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Global Land Ice Velocity Extraction from Landsat 8 (GoLIVE), Version 1

    Metadata Updated: February 23, 2025

    This data set is a compilation of ice velocity mappings generated from pairs of Landsat 8 panchromatic images acquired from May 2013 to present covering all terrestrial permanent ice within the latitude range 82°S to 82°N that is larger than 5 km2 in area. The data are updated monthly with new images acquired by Landsat 8 that are then paired with older images acquired within 400 days of the new acquisition for the Antarctic ice sheet, 112 days for the Greenland ice sheet, and 96 days for all other glacierized areas. The data are generated by an image correlation algorithm that produces grids of ice displacement referenced to in-image rock outcrops, slow moving ice, or if lacking that, using the satellite's geo-positioning (accurate to +/- 5 m). Velocity vector grids are generated at a sample spacing of 300 m from small sub-images that are either 300 m or 600 m on a side, depending on the region. For example, ice sheet areas are mapped with 600 m x 600 m sub-images, and mountain glaciers are mapped with 300 m x 300 m sub-images. Accuracy of the velocity data varies depending on the time separation between the images, ranging between ~1 m/d per day to 0.02 m/d per day.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date February 23, 2025
    Metadata Updated Date February 23, 2025

    Metadata Source

    Harvested from nasa test json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 23, 2025
    Metadata Updated Date February 23, 2025
    Publisher NSIDC
    Maintainer
    Identifier C1386250737-NSIDCV0
    Data First Published 2013-05-01
    Language en-US
    Data Last Modified 2025-02-19
    Category geospatial
    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 c052943b-b5d8-4277-acd8-c9902e24d338
    Harvest Source Id a73e0c30-4684-40ef-908e-d22e9e9e5f86
    Harvest Source Title nasa test json
    Homepage URL https://doi.org/10.7265/N5ZP442B
    Metadata Type geospatial
    Old Spatial -180.0 -82.0 180.0 82.0
    Program Code 026:001
    Source Datajson Identifier True
    Source Hash cf7cdaf20fcebc3c474df2c454bd70f3ad7cdbf605e1436f59a3dc0bc24e5d64
    Source Schema Version 1.1
    Spatial
    Temporal 2013-05-01T00:00:00Z/2017-04-30T23:59:59.999Z

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