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WRRCTMR No.66 Formation of Transition Zone in a Basal Aquifer Under Pumping Stresses

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Title: WRRCTMR No.66 Formation of Transition Zone in a Basal Aquifer Under Pumping Stresses
Authors: Chung, Sang-Ok
Lau, L. Stephen
Liu, Clark C.K.
Gee, Henry K.
Keywords: aquifer characteristics
transition zones
aaline water-freshwater interfaces
experimental data
Hawaii
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LC Subject Headings: Aquifers.
Groundwater -- Mathematical models.
Permeability.
Issue Date: Aug 1982
Publisher: Water Resources Research Center, University of Hawaii at Manoa
Citation: Chung SO, Lau LS, Liu CCK, Gee HK. 1982. Formation of transition zone in a basal aquifer under pumping stresses. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical memorandum report, 66.
Series/Report no.: WRRC Technical Memorandum Report
66
Abstract: Formation of a freshwater-sea water transition zone in a basal aquifer under pumping stresses was studied by sand-box experiments and by comparing experimental data with results from other theoretical and field investigations. Upconing height for different pumping rates and well penetration depths were measured in the laboratory. These experimental data were then compared with theoretical values computed with or without the sharp interface assumption. Dispersivity of laboratory sand was determined by matching the observed thickness of the transition zone with the theoretical value. The thickness of the transition zone was found to increase as the pumping rate and/or the partial well penetration depth increased. The results of the laboratory experiments were compatible with the values predicted by theoretical equations.
Sponsor: Office of Water Policy, U.S. Department of the Interior Grant/Contract No. 14-34-0001-2113 (A-092-HI)
Pages/Duration: viii + 21 pages
URI/DOI: http://hdl.handle.net/10125/2646
Appears in Collections:WRRC Technical Memorandum Reports



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