Abstract
Abstract. Briggs (1897) deduced capillary flow from deviation of the
equilibrium between capillarity and gravity. Richards (1931) raised
capillary flow to an unproven soil hydrological dogma. Attempts to correct
the dogma led to concepts of non-equilibrium flow, macropore flow, and
preferential flow during infiltration. Viscous film flow is proposed as an
alternative approach to capillarity-driven flow during unsaturated
infiltration.
Subject
General Earth and Planetary Sciences,General Engineering,General Environmental Science
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