Author(s): H. Park; J. Ho; K. Kwon; S. Suh; W. Ahn
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Keywords: No Keywords
Abstract: Saltwater intrusion in coastal aquifer was investigated using a laboratory porous media tank model. Salt wedge profiles were simulated in a porous media tank140 cm long, 70 cm high, and 10 cm wide. The experiments were performed with various conditions of soil hydraulic conductivity, salinity, and ground surface slope to assess relationships on salt wedge location and shape. The interfaces of between salt water and fresh water and the salt wedge profiles were observed, when the groundwater flow reaches to an equilibrium state, and compared with the Glover formula. Two-dimensional porous media numerical model was developed to estimate dynamic pressure head using a finite element code, which was adopted Darcy's law and solute transport equation for momentum transport through pressure gradients in porous media and saline concentration advection, respectively. It was found that salt wedge shape and location were affected by the hydraulic conductivity, ground surface slope and, salinity.
Year: 2009