A Laplace transform solution for tracer tests in a radially convergent flow field with upstream dispersion

Jui Sheng Chen, Liu Chen-Wuing, Chia Shyun Chen, Yeh Hun-Der

研究成果: 雜誌貢獻期刊論文同行評審

31 引文 斯高帕斯(Scopus)

摘要

A non-rigorous mathematical model is developed to estimate the effect of backward spreading. The model assumes that advection and longitudinal dispersion are the transport mechanisms in a radially converging flow field. To demonstrate the applicability of the model, a field tracer test is carried out. The experimental data are fitted with the type curves of this study, and those of Moench's study, to determine dispersivity and aquifer porosity. Results show that dispersivity values estimated by matching the two type curves are different. Because it neglects backward dispersion, Moench's solution overestimates the dispersivity and effective acquifer porosity.

原文???core.languages.en_GB???
頁(從 - 到)263-275
頁數13
期刊Journal of Hydrology
183
發行號3-4
DOIs
出版狀態已出版 - 9月 1996

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