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    • Hydrology and Water Resources in Arizona and the Southwest, Volume 01 (1971)
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    Recharging the Ogallala Formation Using Shallow Holes

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    Author
    Dvoracek, M. J.
    Peterson, S. H.
    Affiliation
    Hydrology & Water Resources, University of Arizona
    Agricultural Engineering Department, Texas Tech University
    Issue Date
    1971-04-23
    Keywords
    Water resources development -- Arizona.
    Hydrology -- Arizona.
    Hydrology -- Southwestern states.
    Water resources development -- Southwestern states.
    Groundwater recharge
    Aquifers
    Observation wells
    Hydrogeology
    Shallow wells
    Texas
    Great Plains
    Semiarid climates
    Aquifer characteristics
    On-site data collections
    Sediments
    Soil piping
    Ogallala aquifer
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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 southern bed of the ogallala aquifer is hydrologically isolated from all outside areas of recharge, requiring local precipitation for all natural recharge. Current withdrawals are so much greater than natural recharge that it appears that artificial recharge affords the only means of establishing at least a pseudo-balance. A number of observation wells were drilled at Texas Tech University, and subsequently capped until recharge water became available. The initial recharge was 2.5 af over 12 days, at a rate of 120 gpm for about the first day, after which 60 gpm was relatively constant. Approximately 1 month later, 1.2 af were recharged over 3 days at rates ranging over 140-90 gpm. It became evident that a cavity was present at the bottom of the hole being recharged. On a later recharge occasion, the cavity seemed to have enlarged. During a period of 2 years more than 28 af of surface runoff water have been recharged through the shallow hole with increases in recharge rates for each subsequent recharge period. The nature of this phenomenon and the cavities are not understood. This may represent the long sought after answer to recharge of the aquifer, but much more extensive research needs to be done.
    ISSN
    0272-6106
    Collections
    Hydrology and Water Resources in Arizona and the Southwest, Volume 01 (1971)

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