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This article in SSSAJ

  1. Vol. 42 No. 1, p. 15-18
     
    Received: Mar 3, 1977
    Published: Jan, 1978


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doi:10.2136/sssaj1978.03615995004200010004x

Dispersion in Soil Columns: Effect of Boundary Conditions and Irreversible Reactions1

  1. J.-Y. Parlange and
  2. J. L. Starr2

Abstract

Abstract

A closed form approximate analytical solution is provided which describes the transport of a solute in a soil column. The effects of convection, dispersion, and adsorption are included. The latter can include both linear adsorption and first- or zero-order reactions. The effect of the finite length of a soil column on the miscible displacement of the solute is discussed in detail. It is shown in particular that the standard solution used in the past is accurate to describe the breakthrough curve but not the profile within the column.

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