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Article     |     Next >>   Contents Vol 15(1)

Determining soil water diffusivities from one-step outflow experiments

JB Passioura

Australian Journal of Soil Research 15(1) 1 - 8
Published: 1977

Abstract

A simple and accurate method is developed for calculating soil water diffusivities, D(è), from one-step outflow experiments. The method is based on the assumption that dè/dt is effectively constant throughout the draining column of soil at any given time. The method is accurate to within about 15 % over most of the range of è during the outflow, providing that D increases monotonically with è through that range.



Full text doi:10.1071/SR9770001

© CSIRO 1977

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