Research Article
Sep 1970
Movement of Salts in Ponded Anisotropic Soils
Authors: Jaime Ortiz and James N. Luthin, M.ASCEAuthor Affiliations
Publication: Journal of the Irrigation and Drainage Division
Volume 96, Issue 3
Abstract
The method of determining the displacement front of an interface between saline and fresh water to subsurface drains under ponded conditions, proposed by Luthin, et al., is extended to anisotropic soils. A computer program written in FORTRAN IV allows determination of the position of the displacement front at different times when point values of the stream and potential function are available. The results presented can be applied to any other system with the same value of the ratio kh/kv, which would be geometrically similar to the system considered herein. The results indicate that the distribution of flow at the surface improves with the value of the parameter kh/kv. This means that leaching in the region halfway between drains will be better for an anisotropic soil than for an isotropic one.
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Published In
Journal of the Irrigation and Drainage Division
Volume 96 • Issue 3 • September 1970
Pages: 257 - 264
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Sep 1970
Published online: Feb 11, 2021
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Authors
Affiliations
Jaime Ortiz
Dept. of Civ. Engrg., Univ. of Chile, Santiago, Chile
James N. Luthin, M.ASCE
Dept. of Water Science and Engrg., Univ. of California, Davis, Calif
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.