Abstract
Consider the flow of groundwater in a more or less horizontal porous layer of soil (Fig. 7.1). The mass balance for a column of soil is similar to that for a river:
where
It has been assumed that rainfall reaches the groundwater layer very quickly; temporary storage in the unsaturated soil above the groundwater layer is not taken into account.
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© 1989 Springer-Verlag Berlin Heidelberg
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Vreugdenhil, C.B. (1989). Diffusion. In: Computational Hydraulics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-95578-5_7
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DOI: https://doi.org/10.1007/978-3-642-95578-5_7
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