Tidal fluctuations in a leaky confined aquifer: Dynamic effects of an overlying phreatic aquifer | Zendy

Li L. | Zendy; Barry D. A. | Zendy; Jeng D.S. | Zendy

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Tidal fluctuations in a leaky confined aquifer: Dynamic effects of an overlying phreatic aquifer

Author(s) -

Li L.,

Barry D. A.,

Jeng D.S.

Publication year - 2001

Publication title -

water resources research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.863

H-Index - 217

eISSN - 1944-7973

pISSN - 0043-1397

DOI - 10.1029/2000wr900402

Subject(s) - aquifer , phreatic , geology , artesian aquifer , cone of depression , aquifer test , groundwater , slug test , geomorphology , geotechnical engineering , petrology , groundwater recharge

Tidal fluctuations in a leaky confined coastal aquifer are damped significantly due to leakage into an overlying phreatic aquifer. Jiao and Tang [1999] presented an analytical solution to a simple model describing this phenomenon. Their solution assumes that the tidal fluctuations in the overlying phreatic aquifer are negligible (i.e., a static phreatic aquifer). Here we examine dynamic effects of the overlying aquifer based on a new approximate analytical solution. The numerical results indicate that the dynamic effects can be significant for a relatively large leakage and a high transmissivity of the phreatic aquifer.

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