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This article in SSSAJ

  1. Vol. 40 No. 3, p. 342-344
    Received: July 16, 1975
    Accepted: Mar 1, 1976

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Solution of the One-Dimensional Linear Moisture Flow Equation with Implicit Water Extraction Functions1

  1. D. O. Lomen and
  2. A. W. Warrick2



Analytical solutions of the one-dimensional steady-state moisture flow equation are presented for several functions modeling soil water extraction. These functions depend directly on the matric flux potential and thus are implicit with depth. A constant surface flux was assumed. Graphs of the matric flux potential and cumulative uptake are given depicting the effect of model parameters and comparing different water extraction functions. The results are useful in obtaining a variety of water extraction distributions.

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