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Analysis of surface irrigation performance terms and indices

Abstract:

Performance terms measure how close an irrigation event is to an ideal one. An ideal or a reference irrigation is one that can apply the right amount of water over the entire region of interest (subject region) without loss. The key phrase, used in the description of a reference irrigation, has been used as the criterion for identifying the performance terms that constitute a complete set, corresponding to any given irrigation regime. Indices have been defined to quantify the performance terms. The interrelationship between performance indices as well as the relationship between each index and the system variables have been explored. The repercussions of those observations on system design and management have been discussed.