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Application of hydrogeological modelling methods in forecasting seawater intrusion of Pleistocene aquifer in Thai Binh area

Authors
Trinh, Thu H. (Vietnam Academy of Science and Technology)
Search for Thu H. Trinh in Research Programmes Information System
Nguyen, Trung N. (Vietnam Academy of Science and Technology)
Search for Trung N. Nguyen in Research Programmes Information System
Le, Minh H. (VNU University of Science)
Search for Minh H. Le in Research Programmes Information System
Vu, Manh V. (VNU University of Science)
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Chapter Water management
Volume Proceedings of the 28th Conference on Environmental Informatics - Informatics for Environmental Protection, Sustainable Development and Risk Management
Conference EnviroInfo 2014 - ICT for Energy Effieciency
Oldenburg, 2014
Year 2014
Abstract of the Article
This paper presents the application of hydrogeological modelling methods in forecasting seawater
intrusion in Thai Binh area. Exploitation by UNICEF well systems have increased both inflow and
outflow rate in Pleistocene aquifer by 2.4 times. Model is revised by solving steady state and
transient models, all input coefficients have been identified (with Kx = 17.3, Ky =17.3, Kz =1.73,
specific storage µ*= 0.0036, specific yield µ= 0.16 and effective porosity n0 = 0.16). By
modelling two scenarios, we can show that Thai Binh province can keep on exploiting with the
current rate Q = 31500 m3/day, the seawater intrusion in the Pleistocene aquifer is still developing
but very slow (remain 99% current freshwater area in 2050). However, Thai Binh groundwater
reserves cannot meet 50% of water needs in 2050 (if the exploitation rate is increased to
68000m3/day, only 95% current freshwater area remains in 2050).
Pages 333 - 340
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