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    • NDVI change for Icy Bay, Alaska from May 2015 to May 2016

    Metadata Updated: July 6, 2024

    Normalized difference vegetation index (NDVI) is an indicator of vegetation health and density. High NDVI values generally correspond to dense vegetation and low NDVI values generally correspond to sparsely vegetated or barren areas. NDVI was calculated for pan-sharpened Landsat 8 Operational Land Imager images acquired on May 13, 2015 and May 15, 2016 for the region around Icy Bay, Alaska. NDVI results from 2015 were subtracted from results for 2016 to produce a change image. The change image can be used to assess changes in vegetation patterns resulting from a landslide that occurred near Tyndall Glacier in October, 2015 and generated a tsunami in Taan Fiord, an arm of Icy Bay. Positive change in NDVI generally indicates areas where vegetation is denser or more vigorous in 2016 than in 2015, whereas negative values generally imply a decrease or loss of vegetation between 2015 and 2016.

    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 June 1, 2023
    Metadata Updated Date July 6, 2024

    Metadata Source

    Harvested from DOI EDI

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date June 1, 2023
    Metadata Updated Date July 6, 2024
    Publisher U.S. Geological Survey
    Maintainer
    @Id http://datainventory.doi.gov/id/dataset/13600a4b324c1688fa3e3acddbe27429
    Identifier USGS:597244c5e4b0ec1a4885edf7
    Data Last Modified 20200827
    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://datainventory.doi.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
    Harvest Object Id c4bb0b3f-28b3-49dc-ab04-63e2e6b855ad
    Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
    Harvest Source Title DOI EDI
    Metadata Type geospatial
    Old Spatial -141.764575924,59.84226727,-141.040778079,60.25376627
    Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
    Source Datajson Identifier True
    Source Hash c2111973d57f95eee785cb915d2252a0c13d459e45157546c025b2d8272d5246
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -141.764575924, 59.84226727, -141.764575924, 60.25376627, -141.040778079, 60.25376627, -141.040778079, 59.84226727, -141.764575924, 59.84226727}

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