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DOI | 10.1002/2017WR021115 |
A Lagging Model for Describing Drawdown Induced by a Constant-Rate Pumping in a Leaky Confined Aquifer | |
Lin, Ye-Chen; Yeh, Hund-Der | |
2017-10-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2017 |
卷号 | 53期号:10 |
文章类型 | Article |
语种 | 英语 |
国家 | Taiwan |
英文摘要 | This study proposes a generalized Darcy's law with considering phase lags in both the water flux and drawdown gradient to develop a lagging flow model for describing drawdown induced by constant-rate pumping (CRP) in a leaky confined aquifer. The present model has a mathematical formulation similar to the dual-porosity model. The Laplace-domain solution of the model with the effect of well bore storage is derived by the Laplace transform method. The time-domain solution for the case of neglecting the wellbore storage and well radius is developed by the use of Laplace transform and Weber transform. The results of sensitivity analysis based on the solution indicate that the dravvdown is very sensitive to the change in each of the transmissivity and storativity. Also, a study for the lagging effect on the drawdown indicates that its influence is significant associated with the lag times. The present solution is also employed to analyze a data set taken from a CRP test conducted in a fractured aquifer in South Dakota, USA. The results show the prediction of this new solution with considering the phase lags has very good fit to the field data, especially at early pumping time. In addition, the phase lags seem to have a scale effect as indicated in the results. In other words, the lagging behavior is positively correlated with the observed distance in the Madison aquifer. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000418736000022 |
WOS关键词 | SENSITIVITY-ANALYSIS ; WELLBORE STORAGE ; LA CHALEUR ; FLOW ; SYSTEM ; SKIN ; CONDUCTION ; BOUNDARY ; DIAMETER |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/21538 |
专题 | 资源环境科学 |
作者单位 | Natl Chiao Tung Univ, Inst Environm Engn, Hsinchu, Taiwan |
推荐引用方式 GB/T 7714 | Lin, Ye-Chen,Yeh, Hund-Der. A Lagging Model for Describing Drawdown Induced by a Constant-Rate Pumping in a Leaky Confined Aquifer[J]. WATER RESOURCES RESEARCH,2017,53(10). |
APA | Lin, Ye-Chen,&Yeh, Hund-Der.(2017).A Lagging Model for Describing Drawdown Induced by a Constant-Rate Pumping in a Leaky Confined Aquifer.WATER RESOURCES RESEARCH,53(10). |
MLA | Lin, Ye-Chen,et al."A Lagging Model for Describing Drawdown Induced by a Constant-Rate Pumping in a Leaky Confined Aquifer".WATER RESOURCES RESEARCH 53.10(2017). |
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