Water Movement in a Finite Layer: Absorption for Constant Water Content at the Surfaces
1987
Hornung, U. | Parlange, J.-Y. | Hogarth, W.L. | Connell, L.D. | Peters, R.
An accurate, analytical formulation describes very simply the outflow of water from a soil layer when the potentials (water contents) are maintained constant at both surfaces. The analytical formulation is adapted from a previously developed approach to the present problem. The accuracy of the results is checked by comparison with a precise numerical simulation which is greatly simplified for a Brooks and Corey type diffusivity. It is suggested that a laboratory experiment using this configuration would yield the soil properties relevant for adsorption.
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