Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam
Hydraulic diffusivity is a fundamental parameter in studying groundwater flow. An analytical solution for groundwater flow within a finite-length one-dimensional aquifer has been introduced. This analytical solution simplifies the river water level (RWL) by a piecewise linear function, accurately de...
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| Format: | Article |
| Language: | English |
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Wiley
2022-01-01
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| Series: | Geofluids |
| Online Access: | http://dx.doi.org/10.1155/2022/8732415 |
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| author | Mingwei Li Zhifang Zhou Hailong Huang Jianxin Liao |
| author_facet | Mingwei Li Zhifang Zhou Hailong Huang Jianxin Liao |
| author_sort | Mingwei Li |
| collection | DOAJ |
| description | Hydraulic diffusivity is a fundamental parameter in studying groundwater flow. An analytical solution for groundwater flow within a finite-length one-dimensional aquifer has been introduced. This analytical solution simplifies the river water level (RWL) by a piecewise linear function, accurately describing the arbitrary variation pattern. An inversion method for hydraulic diffusivity has been provided based on the analytical solution. Then, the method was employed to estimate the hydraulic diffusivity of a limestone aquifer in the Xiluodu reservoir and was verified by the FEFLOW software. The parameter sensitivity increases with the RWL fast increasing and reaches its peak value when the RWL approaches the maximum value. Given the sensitivity analysis, great attention should be paid to the stage when RWL fluctuates drastically for estimating hydraulic diffusivity. The proposed method is flexible to conditions that lack observation data or RWL fluctuating drastically. |
| format | Article |
| id | doaj-art-f8cf1c0ab1a248bfacc1fa4e2f1badad |
| institution | Kabale University |
| issn | 1468-8123 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geofluids |
| spelling | doaj-art-f8cf1c0ab1a248bfacc1fa4e2f1badad2025-02-03T01:22:55ZengWileyGeofluids1468-81232022-01-01202210.1155/2022/8732415Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu DamMingwei Li0Zhifang Zhou1Hailong Huang2Jianxin Liao3School of Earth Sciences and EngineeringSchool of Earth Sciences and EngineeringChina Three Gorges Projects Development Co.China Three Gorges Projects Development Co.Hydraulic diffusivity is a fundamental parameter in studying groundwater flow. An analytical solution for groundwater flow within a finite-length one-dimensional aquifer has been introduced. This analytical solution simplifies the river water level (RWL) by a piecewise linear function, accurately describing the arbitrary variation pattern. An inversion method for hydraulic diffusivity has been provided based on the analytical solution. Then, the method was employed to estimate the hydraulic diffusivity of a limestone aquifer in the Xiluodu reservoir and was verified by the FEFLOW software. The parameter sensitivity increases with the RWL fast increasing and reaches its peak value when the RWL approaches the maximum value. Given the sensitivity analysis, great attention should be paid to the stage when RWL fluctuates drastically for estimating hydraulic diffusivity. The proposed method is flexible to conditions that lack observation data or RWL fluctuating drastically.http://dx.doi.org/10.1155/2022/8732415 |
| spellingShingle | Mingwei Li Zhifang Zhou Hailong Huang Jianxin Liao Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam Geofluids |
| title | Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam |
| title_full | Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam |
| title_fullStr | Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam |
| title_full_unstemmed | Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam |
| title_short | Estimation of Hydraulic Diffusivity of a Confined Limestone Aquifer at the Xiluodu Dam |
| title_sort | estimation of hydraulic diffusivity of a confined limestone aquifer at the xiluodu dam |
| url | http://dx.doi.org/10.1155/2022/8732415 |
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