Saltwater Intrusion Forecast of the Pleistocene Aquifer Caused by Groundwater Exploiting in the Nam Dinh Coastal Zone

Trinh Hoai Thu (), Nguyen Nghia (), Tran Thi Thuy Huong (), Do Thang () and Nguyen Thi Hien ()
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Trinh Hoai Thu: VAST
Nguyen Nghia: Viet Nam’s Ministry of Natural Resources and Environment
Tran Thi Thuy Huong: VAST
Do Thang: VAST
Nguyen Thi Hien: VAST

A chapter in From Science to Society, 2018, pp 83-92 from Springer

Abstract: Abstract The hydrogeological model is applied and carried out for the Pleistocene confined aquifer systems in the Nam Dinh coastal zone, Vietnam. A 3D groundwater flow and matters spreading numerical model forecast about decreasing of the groundwater level and saltwater intrusion on the coastal areas Hydraulic conductivity K, specific storage µ*, specific yield µ and effective porosity n0 and boundary conditions are calibrated in this model. The simulated results are significant with low errors corresponding the available data. Calibrated model is utilized to forecast about decreasing of the groundwater level and movement of saltwater intrusion boundary into freshwater areas. The simulated results are indicated that freshwater areas are intrused proportional to exploiting reserves. According to currently freshwater exploiting recharge per year in 2014, freshwater areas until 2025 would be falled 4.17% than in 2005. Moreover, with currently freshwater exploiting recharge per year in 2014 for consumption and population growth and pumping-wells along main river setting, freshwater areas are intrused more strongly than the above method, and would be decreased 6.16%.

Keywords: Saltwater intrusion; Pleistocene aquifer; Hydrogeological model (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:spr:prochp:978-3-319-65687-8_8

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DOI: 10.1007/978-3-319-65687-8_8

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