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    • Hydrology and Water Resources in Arizona and the Southwest, Volume 03 (1973)
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    Probability Distributions of Snow Course Data for Central Arizona

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    Author
    Carv, Lawrence E.
    Beschta, Robert L.
    Affiliation
    Department of Watershed Management, University of Arizona, Tucson 85721
    Issue Date
    1973-05-05
    Keywords
    Hydrology -- Arizona.
    Water resources development -- Arizona.
    Hydrology -- Southwestern states.
    Water resources development -- Southwestern states.
    Snowfall
    Water yield
    Probability
    Distribution patterns
    Water equivalent
    Arizona
    Snowpacks
    Snow
    Ponderosa pine trees
    Coniferous trees
    Water supply
    Watershed (basins)
    Snowmelt
    Ablation
    Regression analysis
    Statistics
    Snow course
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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
    A preliminary study of probability distributions for use on snowpack accumulation in the central Arizona highlands was made from 22 snow courses selected as having 10 or more years of available records. Due to the frequent occurrence of zero water equivalent value, application of a single continuous probability distribution is precluded. By means of two distributions, however, the snowpack water equivalent can be assessed by a binomial distribution describing the probability of snow, and a lognormal distribution describing the probability of water equivalent. The area chosen for detailed analysis is where the headwaters of many of Arizona's major river systems occur.
    ISSN
    0272-6106
    Collections
    Hydrology and Water Resources in Arizona and the Southwest, Volume 03 (1973)

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