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This article in SSSAJ

  1. Vol. 41 No. 6, p. 1208-1209
    Received: Apr 11, 1977
    Accepted: July 19, 1977

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Estimation of the Spatial Variability of the Soil-Water Flux1

  1. P. S. C. Rao,
  2. P. V. Rao and
  3. J. M. Davidson2



A simple method for estimating the spatial variability of the soil-water flux from known variability of soil microhydrologic properties is presented. The method is based on the theory of approximating a differentiable function using Taylor-series expansion (TS-method). Published data for means and variances of the soil microhydrologic properties were used to estimate the mean and variance of the soil-water flux in a draining profile of Panoche soil. These values were compared with those estimated using a Monte Carlo simulation procedure (MC-method) on the same set of data. Relative advantages and disadvantages of these two methods are briefly discussed.

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