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Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE.  VOL. 43(6): 1631-1641 . (doi: 10.13031/2013.3063) @2000
Authors:   D. Fekersillassie, D. E. Eisenhauer
Keywords:   Surface irrigation, Surge irrigation, Feedback control, Operating criteria.

Feedback-controlled surge irrigation systems require operating criteria to maximize application efficiency. Two observable pieces of information that can be used for feedback control are water advance and runoff. Unfortunately, due to its spatially dispersed nature, water advance data can be difficult, expensive, and time consuming to collect. With good infiltration data, existing surge irrigation models can simulate surge flow for many conditions and be used to study the effect of varying management and field variables on surge irrigation performance. However, the models do not automatically generate optimal solutions for management. We developed the operating criteria and control logic for the management of a feedback-controlled surge irrigation system that uses a minimal amount of water advance data and runoff data as feedback information. The equations necessary for application of the operating criteria in a feedback-controlled surge irrigation system with laterally varying infiltration are presented.

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