A generalized solution for groundwater head fluctuation in a tidal leaky aquifer system |
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Authors: | MO-HSIUNG CHUANG HUND-DER YEH |
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Affiliation: | 1.Department of Urban Planning and Disaster Management,Ming-Chuan University,Taoyuan,Taiwan;2.Institute of Environmental Engineering,National Chiao Tung University,Hsinchu,Taiwan |
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Abstract: | A new analytical solution is developed for describing groundwater level fluctuations in a coupled leaky confined aquifer system which consists of an unconfined aquifer, confined aquifer, and an aquitard in between. The aquifer system has a tidal boundary at the seashore, a no flow boundary at remote inland side, and a confined aquifer extending under the sea and terminated with an outlet-capping. This new solution has shown to be a generalisation of most existing analytical solutions for a tidal aquifer system which includes single confined and leaky confined aquifers. In addition, the solution is used to explore the influences of the dimensionless leakance of the outlet-capping, the dimensionless hydraulic diffusivities, and the leakages of the inland and offshore aquitards on the head responses in the leaky confined aquifer. |
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