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

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.

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Advances in Water Resources, 25, 5, 577-584

Note: The status of this file is: Involved Laboratories Only

 Record created 2005-12-09, last modified 2018-01-27

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