Abstract
In this chapter, idealized groundwater flow systems containing two liquids, namely freshwater and saltwater, of different density separated by an abrupt interface are considered under steady-state conditions. Classical approaches to the determination of the shape of the interface at equilibrium related to the two benchmark problems, seawater intrusion in a costal aquifer, and saltwater upcoming beneath a partially penetrating pumping well, are reviewed. In particular, it is shown that Ghyben–Herzberg approximation for Dupuit–Forchheimer-based models provide practically valuable insight into the behavior of the groundwater systems under consideration.
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Rumynin, V.G. (2011). Dynamic Equilibrium of Freshwater–Saltwater Interface. In: Subsurface Solute Transport Models and Case Histories. Theory and Applications of Transport in Porous Media, vol 25. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1306-2_12
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DOI: https://doi.org/10.1007/978-94-007-1306-2_12
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