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Soil Science Society of America Journal Abstract -

Dynamic Determination of Capillary Conductivity Extended for Non-Negligible Membrane Impedance1


This article in SSSAJ

  1. Vol. 22 No. 6, p. 483-486
    Received: May 1, 1958
    Accepted: June 23, 1958

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  1. E. E. Miller and
  2. D. E. Elrick2



W. R. Gardner's recent method for determining capillary conductivity from the transient outflow of a slab following a small step-change of pressure has been extended to cases in which the impedance of the supporting membrane or porous plate must be taken into account. From this theoretical result a practical method is developed employing all of the experimental data (not just the exponential tail) for determining K values accurate within the inherent limits of the data.

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