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

In: From Science to Society

Author

Listed:
  • 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)

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%.

Suggested Citation

  • Trinh Hoai Thu & Nguyen Nghia & Tran Thi Thuy Huong & Do Thang & Nguyen Thi Hien, 2018. "Saltwater Intrusion Forecast of the Pleistocene Aquifer Caused by Groundwater Exploiting in the Nam Dinh Coastal Zone," Progress in IS, in: Benoît Otjacques & Patrik Hitzelberger & Stefan Naumann & Volker Wohlgemuth (ed.), From Science to Society, pages 83-92, Springer.
    • Handle: RePEc:spr:prochp:978-3-319-65687-8_8
    DOI: 10.1007/978-3-319-65687-8_8
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