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  • Orthophotomosaic images (natural color) of the north coast of Barter Island, Alaska acquired on July 05 2015 (GeoTIFF image; 8-cm resolution)

    Metadata Updated: November 12, 2020

    Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on July 05 2015. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to a derive high-resolution orthophotomosaic. This orthophotomosaic contain 3-band, 8-bit, unsigned raster data (red/green/blue; file format-GeoTIFF) with a ground sample distance (GSD) resolution of 8 cm. The file employs Lempel-Ziv-Welch (LZW) compression. This orthophotomosaic was shifted (registered) to coincide with surveyed ground control points relative to the WGS84 datum.

    Access & Use Information

    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 Date January 30, 2019
    Metadata Created Date November 12, 2020
    Metadata Updated Date November 12, 2020
    Reference Date(s) January 1, 2019 (publication)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from DOI Open Data

    Graphic Preview

    Browse image of the orthomosaic generated from photogrammetry and aerial images acquired over Barter Island, Alaska July 05 2015.

    Additional Metadata

    Resource Type Dataset
    Metadata Date January 30, 2019
    Metadata Created Date November 12, 2020
    Metadata Updated Date November 12, 2020
    Reference Date(s) January 1, 2019 (publication)
    Responsible Party U.S. Geological Survey, Pacific Coastal and Marine Science Center (Point of Contact)
    Contact Email
    Guid
    Access Constraints Use Constraints: USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey and Fairbanks Fodar as the originator(s) of the dataset and in products derived from these data., Access Constraints: None
    Bbox East Long -143.546217
    Bbox North Lat 70.137842
    Bbox South Lat 70.114458
    Bbox West Long -143.792455
    Coupled Resource
    Frequency Of Update notPlanned
    Graphic Preview Description Browse image of the orthomosaic generated from photogrammetry and aerial images acquired over Barter Island, Alaska July 05 2015.
    Graphic Preview File https://www.sciencebase.gov/catalog/file/get/5c539782e4b0708288fd0794?name=BTI_Ortho_20150705_browse.jpg&allowOpen=true
    Graphic Preview Type JPEG
    Licence Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
    Metadata Language
    Metadata Type geospatial
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True

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