Integral Estimates of the Sorptivity
- D. Lockington,
- J. Parslow and
- J.-Y. Parlange
The second-order accuracy of several well-known integral estimates of the sorptivity is shown to be limited to a particular class of rapidly varying diffusivities. This class includes the exponential and power-law diffusivities commonly used in the description of soil-water flow. The derivation of the sorptivity estimates and the argument for second-order accuracy are clarified and a new formula for the sorptivity is derived that applies to a wider class of diffusivities.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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