Research Article
Nov 1964
Modified Solutions for Decreasing Discharge Wells
Publication: Journal of the Hydraulics Division
Volume 90, Issue 6
Abstract
Several modified solutions are proposed for the problem of nonsteady flow to a well of decreasing discharge that completely penetrates an extensive artesian aquifer. The solutions reduce the computations required in using a general solution previously developed. A particular modified solution depends on the magnitude of the discharge and aquifer characteristics. In general, the analytical solutions for nonsteady confined flow to a well available for determination of aquifer characteristics or drawdown assume that the discharge of the well is essentially constant over the period of pumping; and yet, in many cases, some change does take place. This is particularly true during short-term pumping tests. Neither the Theis or Jacob methods nor the proposed solutions for nonsteady flow were very satisfactory when applied to a field test cited as an example.
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Information
Published In
Journal of the Hydraulics Division
Volume 90 • Issue 6 • November 1964
Pages: 145 - 160
Copyright
© 1964 American Society of Civil Engineers.
History
Published in print: Nov 1964
Published online: Feb 3, 2021
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Authors
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Mahmoud A. Abu-Zied, AM.ASCE
Formerly, Post Graduate Research Irrigation Engr., Dept. of Irrigation, Univ. of California, Davis, Calif.
Verne H. Scott, M.ASCE
Prof. of Irrigation and Engrg., Dept. of Irrigation, Univ. of California, Davis, Calif.
Gert Aron
Asst. Engr., Dept. of Irrigation, Univ. of California, Davis, Calif.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.