Optimal water management in small-scale tank irrigation systems

The small-scale tank irrigation system is an effective option for sustainable agricultural water development. The management strategy for water release in such a system is considered in the framework of variational calculus. A minimum principle is deduced to characterize an optimal strategy minimizi...

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Bibliographic Details
Published in:Energy (Oxford) 2005-06, Vol.30 (8), p.1419-1428
Main Authors: Unami, K., Kawachi, T., Yangyuoru, M.
Format: Article
Language:English
Subjects:
Agricultural and forest climatology and meteorology. Irrigation. Drainage
Agronomy. Soil science and plant productions
Applied sciences
Biological and medical sciences
Buildings. Public works
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Hydraulic constructions
Irrigation. Drainage
Waterways
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Summary:The small-scale tank irrigation system is an effective option for sustainable agricultural water development. The management strategy for water release in such a system is considered in the framework of variational calculus. A minimum principle is deduced to characterize an optimal strategy minimizing a performance index that evaluates water content deviation in the command area and the time when the irrigation tank dries up. The optimal strategies are demonstrated in two practical example systems.
ISSN:0360-5442
DOI:10.1016/j.energy.2004.02.014