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This article in SSSAJ

  1. Vol. 46 No. 2, p. 231-234
     
    Received: Feb 4, 1981
    Published: Mar, 1982


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doi:10.2136/sssaj1982.03615995004600020003x

Wetting Moisture Characteristic Curves Derived from Constant-rate Infiltration into Thin Soil Samples1

  1. K. M. Perroux,
  2. P. A. C. Raats and
  3. D. E. Smiles2

Abstract

Abstract

Although procedures are available for obtaining the wetting moisture characteristics of soils, they often involve lengthy equilibration periods. A simple and quick laboratory method is described for obtaining the wetting moisture characteristic using constant flux infiltration into a thin section of soil. A theoretical analysis of the process is tested by comparing predicted and observed times for pressure heads to develop in a fine sand sample. The technique is demonstrated using a fine sand, a loam, and a silty clay loam, and comparison is made with data obtained by other methods.

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