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  • Application and Improvement of a recent approximate analytical solution of Richards' equation

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    HogarthPUB956.pdf (335.3Kb)
    Author(s)
    Hogarth, WL
    Parlange, JY
    Griffith University Author(s)
    Hogarth, William L.
    Year published
    2000
    Metadata
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    Abstract
    A method for developing wetting front profiles for the one‐dimensional Richards' equation is given. The method is obtained by simplifying and extending a recent approximate solution and brings together features from several different studies. Difficulties associated with profile development are discussed by applying the method to several examples, providing a deeper understanding of the solutions of Richards' equation. For simplicity, we illustrate the improvements for soil‐water diffusivities and conductivities which have a power law dependence on the water content although they should apply in general, and the appropriate ...
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    A method for developing wetting front profiles for the one‐dimensional Richards' equation is given. The method is obtained by simplifying and extending a recent approximate solution and brings together features from several different studies. Difficulties associated with profile development are discussed by applying the method to several examples, providing a deeper understanding of the solutions of Richards' equation. For simplicity, we illustrate the improvements for soil‐water diffusivities and conductivities which have a power law dependence on the water content although they should apply in general, and the appropriate generalization is given in the conclusion.
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    Journal Title
    Water Resources Research
    Volume
    36
    Issue
    7
    DOI
    https://doi.org/10.1029/2000WR900042
    Copyright Statement
    © 2000 American Geophysical Union. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    History and Archaeology
    Physical Geography and Environmental Geoscience
    Civil Engineering
    Environmental Engineering
    Publication URI
    http://hdl.handle.net/10072/3139
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    • Journal articles

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