A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam
In the investigation of optimal groundwater extraction in coastal regions, conventional assumptions typically revolve around unconfined aquifers with specified boundary conditions. In such cases, intricate solutions for groundwater management have been documented. However, within extensive delta pla...
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MDPI AG
2024-10-01
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| author | Pham Quy Nhan Dang Tran Trung Tran Thanh Le Nguyen Kim Hung Pham Minh Hoang Tran Duc Thinh |
| author_facet | Pham Quy Nhan Dang Tran Trung Tran Thanh Le Nguyen Kim Hung Pham Minh Hoang Tran Duc Thinh |
| author_sort | Pham Quy Nhan |
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| description | In the investigation of optimal groundwater extraction in coastal regions, conventional assumptions typically revolve around unconfined aquifers with specified boundary conditions. In such cases, intricate solutions for groundwater management have been documented. However, within extensive delta plains, the extraction wells are frequently drilled in confined aquifers with not much variable-density flow. This circumstance, characterized by paleo-saltwater intrusion, is further complicated by the placement of wells at a considerable distance from the coastal line. As a result, the design and implementation of groundwater supply systems in these areas necessitate strategic groundwater management to optimize groundwater utilization while mitigating the potential risk of saltwater intrusion. Analytical solutions and an optimization problem approach have been applied to address this challenge and solve the differential equations governing confined aquifers with salt–freshwater interfaces. These methodologies provide simplified yet dependable conditions tailored to the study area. A case study conducted in Vinh Hung district, Long An province, is focused on determining the optimal pumping rate for production wells to forestall saltwater intrusion during groundwater extraction. Here, the focus is on the migration of older saltwater towards inland pumped wells, rather than the influence of recent seawater encroachment. The findings contribute valuable insights into achieving an equilibrium between maximizing groundwater utilization and preventing saltwater intrusion in the aquifer systems by a simplified approach. |
| format | Article |
| id | doaj-art-208d0c2aa8c24c8caae45c0c5ac68087 |
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| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
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| series | Hydrology |
| spelling | doaj-art-208d0c2aa8c24c8caae45c0c5ac680872025-08-20T02:28:06ZengMDPI AGHydrology2306-53382024-10-01111118510.3390/hydrology11110185A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, VietnamPham Quy Nhan0Dang Tran Trung1Tran Thanh Le2Nguyen Kim Hung3Pham Minh Hoang4Tran Duc Thinh5Faculty of Water Resources, Hanoi University of Natural Resources and Environment, 41A Phu Dien Str., North Tu Liem District, Hanoi 10000, VietnamNational Center for Water Resources Planning and Investigation, MONRE, Sai Dong Ward, Long Bien District, Hanoi 10000, VietnamFaculty of Water Resources, Hanoi University of Natural Resources and Environment, 41A Phu Dien Str., North Tu Liem District, Hanoi 10000, VietnamNational Center for Water Resources Planning and Investigation, MONRE, Sai Dong Ward, Long Bien District, Hanoi 10000, VietnamVietnam Academy of Science and Technology, University of Science and Technology of Hanoi (USTH), A21 Building, 18 Hoang Quoc Viet, Cau Giay, Hanoi 10000, VietnamNational Center for Water Resources Planning and Investigation, MONRE, Sai Dong Ward, Long Bien District, Hanoi 10000, VietnamIn the investigation of optimal groundwater extraction in coastal regions, conventional assumptions typically revolve around unconfined aquifers with specified boundary conditions. In such cases, intricate solutions for groundwater management have been documented. However, within extensive delta plains, the extraction wells are frequently drilled in confined aquifers with not much variable-density flow. This circumstance, characterized by paleo-saltwater intrusion, is further complicated by the placement of wells at a considerable distance from the coastal line. As a result, the design and implementation of groundwater supply systems in these areas necessitate strategic groundwater management to optimize groundwater utilization while mitigating the potential risk of saltwater intrusion. Analytical solutions and an optimization problem approach have been applied to address this challenge and solve the differential equations governing confined aquifers with salt–freshwater interfaces. These methodologies provide simplified yet dependable conditions tailored to the study area. A case study conducted in Vinh Hung district, Long An province, is focused on determining the optimal pumping rate for production wells to forestall saltwater intrusion during groundwater extraction. Here, the focus is on the migration of older saltwater towards inland pumped wells, rather than the influence of recent seawater encroachment. The findings contribute valuable insights into achieving an equilibrium between maximizing groundwater utilization and preventing saltwater intrusion in the aquifer systems by a simplified approach.https://www.mdpi.com/2306-5338/11/11/185pumping rate optimizationsaltwater intrusiongroundwater extractionsimplified approachLong An provinceVietnam |
| spellingShingle | Pham Quy Nhan Dang Tran Trung Tran Thanh Le Nguyen Kim Hung Pham Minh Hoang Tran Duc Thinh A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam Hydrology pumping rate optimization saltwater intrusion groundwater extraction simplified approach Long An province Vietnam |
| title | A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam |
| title_full | A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam |
| title_fullStr | A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam |
| title_full_unstemmed | A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam |
| title_short | A Simplified Approach of Pumping Rate Optimization for Production Wells to Mitigate Saltwater Intrusion: A Case Study in Vinh Hung District, Long An Province, Vietnam |
| title_sort | simplified approach of pumping rate optimization for production wells to mitigate saltwater intrusion a case study in vinh hung district long an province vietnam |
| topic | pumping rate optimization saltwater intrusion groundwater extraction simplified approach Long An province Vietnam |
| url | https://www.mdpi.com/2306-5338/11/11/185 |
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