Seawater Upconing under a Pumping Horizontal Well in a Confined Coastal Aquifer

Dongmin Sun and Perry Wong
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Perry Wong: Department of Physical and Applied Science, University of Houston, USA

International Journal of Environmental Sciences & Natural Resources, 2017, vol. 2, issue 1, 20-29

Abstract: We have investigated the seawater Upconing due to a finite-length pumping horizontal well and derived an analytical solution of sharp fresh/sea interface based on the solution of Dagan & Bear [1]. The results are compared with those of vertical wells. The Upconing profile exhibits three stages with time: an early slow increase stage, an intermediate rapid increase stage, and a late steady state stage. The sensitivity of the interface rise to the well length, the well location, the aquifer anisotropy, and the observation point location is analyzed. We have also investigated the critical condition of seawater Upconing based on Muskat [2] idea by relating fresh/sea water interface Upconing to drawdown. The critical condition which includes the critical rise and the critical time at a certain pumping rate depends on the well length, the initial interface location, the well location, and the pumping rate. The critical rise and the critical time are coupled together at any given pumping rate.

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:2:y:2017:i:1:p:20-29

DOI: 10.19080/IJESNR.2017.02.555579

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