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    • Alaska Digital Surface Models (DSMs) - USGS National Map 3DEP Downloadable Data Collection

    Metadata Updated: October 30, 2025

    These data are Digital Surface Models (DSM) derived from interferometric synthetic aperture radar (ifsar) data. A DSM is a 3 dimensional representation of surface elevations in an area, including elevations of man-made structures and vegetation. The USGS performs minimal quality assurance and no reprocessing of the DSM data. USGS distributes the DSM data as received from the contractors, partners or contributing entities.

    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 September 13, 2025
    Metadata Updated Date October 30, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 13, 2025
    Metadata Updated Date October 30, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-7ae63dab-a629-435b-b520-3dee9dd0e2c5
    Data Last Modified 2025-02-14T00:00:00Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-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
    Harvest Object Id 6fbd9a2f-1f8b-4371-9538-7be0e1a3716d
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -170.00, 50.00, -127.00, 72.00
    Source Datajson Identifier True
    Source Hash 7c156fab551f490a862bfabd43e0c2f1b33bfc98ecacee79137dd199da5402bb
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -170.00, 50.00, -170.00, 72.00, -127.00, 72.00, -127.00, 50.00, -170.00, 50.00}

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