期刊
GROUND WATER
卷 39, 期 2, 页码 283-289出版社
GROUND WATER PUBLISHING CO
DOI: 10.1111/j.1745-6584.2001.tb02310.x
关键词
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A field experiment was carried out to measure drawdowns in observation wells and stream depletion flows that occurred when water was abstracted from a well beside a stream. The field data is analyzed herein to determine the aquifer transmissivity, T, the aquifer storage coefficient, S, and a streambed leakage parameter, lambda, by comparing measurements with a solution obtained by Hunt (1999), The analysis uses early time drawdowns with a match-point method to determine T and S, and stream depletion measurements at later times are used to determine lambda. The final results are reasonably consistent for measurements taken in four observation wells. The advantages and disadvantages of this approach are discussed, and two alternative ways of estimating lambda, are also discussed.
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