Abstract
Strategies and progress in modeling the unsaturated zone are described and, in particular, limitations on the use of the Richards equation. Problems of identifying soil parameters in the face of heterogeneity and preferential flow pathways are discussed. The advantages of parametric simplicity for certain modeling purposes are stressed.
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Beven, K. (1991). Infiltration, Soil Moisture, and Unsaturated Flow. In: Bowles, D.S., O’Connell, P.E. (eds) Recent Advances in the Modeling of Hydrologic Systems. NATO ASI Series, vol 345. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3480-4_7
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DOI: https://doi.org/10.1007/978-94-011-3480-4_7
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