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    • Global Salt Marsh Change, 2000-2019

    Metadata Updated: January 15, 2026

    This dataset provides global salt marsh change, including loss and gain for five-year periods from 2000-2019. Loss and gain at a 30 m spatial resolution were estimated with Normalized Difference Vegetation Index (NDVI) anomaly algorithm using Landsat 5, 7, and 8 collections within the known extent of salt marshes. The data are provided in cloud-optimized GeoTIFF format.

    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 January 15, 2026

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 11, 2025
    Metadata Updated Date January 15, 2026
    Publisher ORNL_DAAC
    Maintainer
    Identifier 10.3334/ORNLDAAC/2122
    Data Last Modified 2026-01-13
    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 0f91c18b-8fdc-493f-91ad-74a5a6007ca2
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://search.earthdata.nasa.gov/search?q=Global_Salt_Marsh_Change_2122&ac=true
    Old Spatial {"WestBoundingCoordinate":-170.0,"NorthBoundingCoordinate":74.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":-47.0},"CARTESIAN"
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash 75cd32b95c1987a0a1cd8dfe5685e1cd98a0a18d1c2ece1fe28275119a99b4d9
    Source Schema Version 1.1
    Spatial
    Temporal 2000-01-01/2000-01-01

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