Research Article
Dec 1979
Optimal Irrigation Depths — A Method of Analysis
Authors: Gideon Peri, Donald I. Norum, and William E. HartAuthor Affiliations
Publication: Journal of the Irrigation and Drainage Division
Volume 105, Issue 4
Abstract
The concept of a system optimal depth (SOD) is derived, where the SOD represents that average depth of water that must be infiltrated by an irrigation to bring about the maximum net income for that particular irrigation. It minimizes the combined losses due to deficit irrigation and excess irrigation for the particular irrigation system that is being used. The concept is demonstrated for two particular irrigation practices: (1) When the irrigation requirement is fixed, the water distribution as a function of time is known, and the optimal application depth is to be determined; and (2) when the final water distribution and the average depth of application is fixed and the optimal requirement is to be determined. Examples of how the concept can be used to determine optimal operation procedures are shown.
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Information
Published In
Journal of the Irrigation and Drainage Division
Volume 105 • Issue 4 • December 1979
Pages: 341 - 355
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Dec 1979
Published online: Feb 11, 2021
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Authors
Affiliations
Gideon Peri
Sr. Lect., Faculty of Agr., The Hebrew Univ. of Jerusalem, Rehovot, Israel; formerly, Visiting Assoc. Prof. of Agricultural Engrg., Dept. of Agricultural and Chemical Engrg., Colorado State Univ., Fort Collins, Colo.
Donald I. Norum
Prof. of Agricultural Engrg., Dept. of Agricultural Engrg., Univ. of Saskatchewan, Saskatoon, Saskatchewan, Canada; formerly, Visiting Assoc. Prof. of Agricultural Engrg., Dept. of Agricultural and Chemical Engrg., Colorado State Univ., Fort Collins, Colo.
William E. Hart
Principal, Wastequip, Inc., Davis, Calif., formerly, Assoc. Prof. of Agricultural Engrg., Dept. of Agricultural and Chemical Engrg., Colorado State Univ., Fort Collins, Colo.
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