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Simultaneous Pumping from Layered Ground Water

by E. M. Laursen, Univ of Arizona, Tucson, AZ, USA,
S. A. A. Abed, Univ of Arizona, Tucson, AZ, USA,
E. Fukumori, Univ of Arizona, Tucson, AZ, USA,
A. Souissi, Univ of Arizona, Tucson, AZ, USA,
M. S. Petersen, Univ of Arizona, Tucson, AZ, USA,



Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution

Abstract:

Laboratory experiments with a Hele-Shaw model and a sand model, and an approximate mathematical analysis using finite elements and the computer, have demonstrated that fresh water can be pumped from a layer on top of salt water by pumping from both layers simultaneously. The investigation has indicated that at least ten times as much fresh water can be pumped as with a single ordinary well in the fresh water zone; how much more will depend on the quality of water required. The configuration of the wells will depend on the site. The concept was thought of in connection with the problem of obtaining drinking water in coastal aquifers, but it should be possible to extend the idea to multiple simultaneous pumping in layered, polluted ground water.

Subject Headings: Fresh water | Pumps | Salt water intrusion | Groundwater pollution | Water resources | Water pollution | Water quality

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