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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gwat.13350
|2 doi
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|a eng
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|a Cao, Mengxiong
|e verfasserin
|4 aut
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|a A Novel Semi-Analytical Solution of Over-Damped Slug Test in a Three-Layered Aquifer System
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 30.04.2024
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|a Date Revised 03.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 National Ground Water Association.
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|a The slug test has been commonly used to estimate aquifer parameters. Previous studies on the slug test mainly focused on a single-layer aquifer. However, understanding the interaction between layers is particularly important when assessing aquifer parameters under certain circumstances. In this study, a new semi-analytical model on transient flow in a three-layered aquifer system with a partially penetrating well was developed for the slug test. The proposed model was solved using the Laplace transform method and the Goldstein-Weber transform method, where the semi-analytical solution for the model was obtained. The drawdowns of the proposed model were analyzed to understand the impacts of the different parameters on the drawdowns in a three-layered aquifer system. The results indicated that groundwater interactions between the layers have a significant impact on the slug test. In addition, a shorter and deeper well screen as well as a greater permeability ratio between the layers creates a greater interface flow between them, leading to a higher drawdown in the slug test. Finally, a slug test in a three-layered aquifer system was conducted in our laboratory to validate the new model, which indicated that the proposed model performed better in the interpretation of the experimental data than a previous model proposed by Hyder et al. (1994). We also proposed an empirical relationship to qualitatively identify the errors in the application of single-layer model for the analysis of response data in a three-layered aquifer system
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Wen, Zhang
|e verfasserin
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|a Chen, Gang
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Cheng
|e verfasserin
|4 aut
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| 700 |
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|a Zhu, Qi
|e verfasserin
|4 aut
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| 700 |
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|a Jakada, Hamza
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ground water
|d 1979
|g 62(2024), 3 vom: 15. Mai, Seite 417-426
|w (DE-627)NLM098182528
|x 1745-6584
|7 nnns
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| 773 |
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|g volume:62
|g year:2024
|g number:3
|g day:15
|g month:05
|g pages:417-426
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|u http://dx.doi.org/10.1111/gwat.13350
|3 Volltext
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