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Abstract

 

This article in SSSAJ

  1. Vol. 38 No. 4, p. 568-572
     
    Received: Nov 6, 1973
    Accepted: Mar 4, 1974


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doi:10.2136/sssaj1974.03615995003800040016x

Time-Dependent Linearized Infiltration: II. Line Sources1

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

Abstract

Abstract

Water flow from line sources is analyzed using a linearized form of the moisture flow equation. Both single and parallel line sources are considered. Results are particularly relevant for high-frequency irrigation, such as by trickle sources, for which the soil moisture at any particular point varies over a relatively small range. Numerical calculations include lines of constant matric flux potential (or equal moisture content) as a function of time and the time-dependent response to a cyclic input. Although the results are developed for surface sources, the analysis may easily be extended to buried sources.

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