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    Migration of Recharge Water Downgradient from the Santa Catalina Mountains into the Tucson Basin Aquifer

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    azu_td_geo_0050_sip1_w.pdf
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    Description:
    Master's Thesis Full PDF
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    Author
    Barger, Erin E.
    Issue Date
    1996
    Keywords
    alluvium aquifers
    aquifers
    Arizona
    Basin and Range Province
    ground water
    hydrogen
    isotope ratios
    isotopes
    migration of elements
    North America
    O-18 / O-16
    oxygen
    Pima County Arizona
    playas
    preferential flow
    radioactive isotopes
    recharge
    Santa Catalina Mountains
    springs
    stable isotopes
    surface water
    tritium
    Tucson Aquifer
    Tucson Arizona
    United States
    water wells
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    Advisor
    Long, Austin
    Committee Chair
    Long, Austin
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the Antevs Library, Department of Geosciences, and the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author or the department.
    Collection Information
    This item is part of the Geosciences Theses collection. It was digitized from a physical copy provided by the Antevs Library, Department of Geosciences, University of Arizona. For more information about items in this collection, please email the Antevs Library, antevs@geo.arizona.edu.
    Abstract
    Aquifers in the arid alluvial basins of the southwestern U.S. are recharged predominantly by infiltration from streams within the basins and by water entering along the margins of the basins from surrounding mountains (mountain -front recharge). The Tucson Basin of Southeastern Arizona is such a basin. The Santa Catalina Mountains form the northern boundary of this basin and receive more than twice as much precipitation (about 70 cm/yr) as the basin does (about 30 cm/yr). In this study environmental isotopes were employed to investigate the migration of precipitation basinward through joints and fractures. Water samples were obtained from springs in the Santa Catalina Mountains. Stable isotopes and thermonuclear bomb-produced tritium enabled qualitative characterizations of flow paths and flow velocities. Stable isotopic measurements fail to display a direct altitude effect. Tritium values indicate that although a few springs discharge pre-bomb water, most springs discharge waters from the 1960's or later.
    Type
    text
    Thesis-Reproduction (electronic)
    Degree Name
    M.S.
    Degree Level
    masters
    Degree Program
    Graduate College
    Geosciences
    Degree Grantor
    University of Arizona
    Collections
    Geosciences Theses

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