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Type: Journal article
Title: Infiltration from irrigation channels into soil with impermeable inclusions
Author: Lobo, M.
Clements, D.
Widana, N.
Citation: The ANZIAM Journal - On-line full-text, 2005; 46(5 ELECTRONIC SUPPL.):1055-1068
Part of: Proceedings of the 2004 International conference on Computational Techniques and Applications / Rob May and A. J. Roberts (eds.)
Publisher: Australian Mathematics Publ Assoc Inc
Issue Date: 2005
ISSN: 1446-8735
Statement of
Maria Lobo, David L. Clements and Nyoman Widana
Abstract: We consider the effect of impermeable inclusions on the infiltration of water from irrigation channels in a homogeneous soil. An expression for the matric flux potential throughout the soil is obtained in terms of a boundary integral equation. A Green's function derived by Basha [Water Resources Research, 30:2105--2118, 1994] is suitable for numerical calculations for this class of problems. This Green's function is employed in the boundary integral equation to obtain numerical values for the matric flux potential for a soil with embedded impermeable inclusions of various shapes. The numerical results indicate how impermeable inclusions may be used to effectively direct the flow from irrigation channels to particular regions below the soil surface.
Rights: © Copyright 2005 Australian Mathematical Society
RMID: 0020051595
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Appears in Collections:Applied Mathematics publications

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