Bulk Movement of Water between Phreatic and Confined Aquifers Induced by Pumping
Publication: Journal of Hydrologic Engineering
Volume 20, Issue 12
Abstract
From a water management perspective, the bulk quantity of water moved and where it has been sourced from are more important than simply estimating drawdown effects due to pumping. This note considers the problem of estimating the total quantity of water discharged between each aquifer in a multilayer aquifer model of Dudley Ward and Falle. Direct formulas are obtained in terms of the storativities and leakage coefficients. Assuming a typical disparity of scale between storativities of the phreatic aquifer and confined aquifers, type curves show that over time the vast majority of extracted water is sourced from the overlying phreatic aquifer.
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References
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Information & Authors
Information
Published In
Journal of Hydrologic Engineering
Volume 20 • Issue 12 • December 2015
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Nov 18, 2013
Accepted: Mar 6, 2015
Published online: May 7, 2015
Discussion open until: Oct 7, 2015
Published in print: Dec 1, 2015
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