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    • Hydrology and Water Resources in Arizona and the Southwest, Volume 05 (1975)
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    Measuring Snow Cover from ERTS Imagery on the Black River Basin

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    Author
    Aul, Jerry S.
    Ffolliott, Peter F.
    Affiliation
    School of Renewable Natural Resources, University of Arizona, Tucson, Arizona
    Issue Date
    1975-04-12
    Keywords
    Hydrology -- Arizona.
    Water resources development -- Arizona.
    Hydrology -- Southwestern states.
    Water resources development -- Southwestern states.
    Snowpacks
    Snow surveys
    Snow management
    Arizona
    Snow cover
    Remote sensing
    Aerial reconnaissance
    Satellites (artificial)
    Mapping
    Black River Basin (Ariz)
    Earth resources technology satellites (ERTS)
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    Copyright ©, where appropriate, is held by the author.
    Collection Information
    This article is part of the Hydrology and Water Resources in Arizona and the Southwest collections. Digital access to this material is made possible by the Arizona-Nevada Academy of Science and the University of Arizona Libraries. For more information about items in this collection, contact anashydrology@gmail.com.
    Publisher
    Arizona-Nevada Academy of Science
    Journal
    Hydrology and Water Resources in Arizona and the Southwest
    Abstract
    The possibility of using imagery from the earth resources technology satellites (ERTS) to monitor changes in areal snow cover in east-central Arizona is examined. Four methods were used in the interpretation of areal snow cover from the ERTS imagery, the densitometer, dot grid, squares grid and projection-planimeter methods providing results of 69, 71, 72 and 74 percent of areal cover respectively. No one method for interpretation of ERTS imagery should be ruled unusable, but any use made of ERTS imagery is dependent upon turn-around time for obtaining the imagery, as snow cover information which cannot be obtained within 24 hours is limited in practical application.
    ISSN
    0272-6106
    Collections
    Hydrology and Water Resources in Arizona and the Southwest, Volume 05 (1975)

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