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    • Hydrology and Water Resources in Arizona and the Southwest, Volume 02 (1972)
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    Transmissivity Distribution in the Tucson Basin Aquifer

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    Author
    Supkow, D. J.
    Affiliation
    Department of Hydrology and Water Resources, University of Arizona
    Issue Date
    1972-05-06
    Keywords
    Hydrology -- Arizona.
    Water resources development -- Arizona.
    Hydrology -- Southwestern states.
    Water resources development -- Southwestern states.
    Transmissivity
    Frequency distribution
    Hydrologic properties
    Aquifers
    Groundwater basins
    Hydrologic data
    Hydrologic systems
    Model studies
    Drainage patterns (geologic)
    Alluvial aquifers
    Aquifer testing
    Water wells
    Digital computers
    Analog computers
    Arizona
    Arid lands
    Tucson Basin (Arizona)
    Horton's law
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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 distribution of transmissivity within the Tucson basin aquifer, as determined by pumping tests and reviewed in the construction of a digital model of the aquifer, was not totally random in space. Data tended to be distributed normally or log-normally for biased samples of developed wells. A frequency distribution of transmissivity derived from a calibrated digital model is more nearly representative of the real world because the aquifer sample is without bias as the sample constitutes the entire aquifer. Geohydrologic setting, electric analog, and digital models of the basin are discussed. The theory of transmissivity distribution in an arid land alluvial aquifer is developed from Horton's laws of exponential relationship between stream order and drainage network parameters. It is hypothesized that there is an exponential relationship between transmissivity of an alluvial aquifer. A statistical study was made of values derived from the digital model to test the probability density function hypothesized for transmissivity. The mean value is a function of climate and drainage area. These hypotheses require further validation.
    ISSN
    0272-6106
    Collections
    Hydrology and Water Resources in Arizona and the Southwest, Volume 02 (1972)

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