Analytical solution for tidal propagation in a coupled semi-confined/phreatic coastal aquifer

D. S. Jeng, L. Li, D. A. Barry

    Research output: Contribution to journalArticle

    70 Citations (Scopus)

    Abstract

    An analytical solution is derived for tidal fluctuations in a coupled coastal aquifer system consisting of a semi-confined aquifer, a thin semi-permeable layer and a phreatic aquifer. Based on the solution, we study the interactions (via leakage) between the confined and unconfined aquifers in response to tides. The results show that, under certain conditions, leakage from the confined aquifer can affect considerably the tidal water table fluctuation in the phreatic aquifer and vice versa. Ignoring these effects could lead to errors in estimating aquifer properties based on tidal signals.
    Original languageEnglish
    Pages (from-to)577-584
    Number of pages8
    JournalAdvances in Water Resources
    Volume25
    Issue number5
    DOIs
    Publication statusPublished - 2002

    Keywords

    • Leakage
    • Tidal fluctuation
    • Unconfined aquifer
    • Semi-permeable layer

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