We consider the approach applied by Rumer and Shiau (1968) to interface flow in a layered coastal aquifer. The authors match the boundary conditions along the interfaces between layers of different hydraulic conductivities by changing the vertical scale of the layers, which causes violation of the governing equations. In particular, the mass balance equation is not met in each of the transformed layers.
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- exact solution
- groundwater flow
- interface flow
- layered aquifer