TAILIEUCHUNG - Stochastic operation analysis of irrigation reservoir in low-flow conditions: a case study from Eleviyan Reservoir, Iran

In Iran, an arid and semiarid country, the distribution of precipitation is irregular and uneven, making the replenishment of reservoirs difficult during periods of scant rainfall. In this paper, a method has been devised to make available the maximum amount of water for irrigation, drinking, and the flow regime of Sofi Creek. | Turkish Journal of Agriculture and Forestry Turk J Agric For (2013) 37: 613-622 © TÜBİTAK doi: Research Article Stochastic operation analysis of irrigation reservoir in low-flow conditions: a case study from Eleviyan Reservoir, Iran 1, 2 2 Mohmmad Taghi SATTARI *, Halit APAYDIN , Fazlı ÖZTÜRK Department of Water Engineering, Faculty of Agriculture, University of Tabriz, Tabriz, Iran 2 Department of Farm Structures and Irrigation, Faculty of Agriculture, Ankara University, Ankara, Turkey 1 Received: Accepted: Published Online: Printed: Abstract: In Iran, an arid and semiarid country, the distribution of precipitation is irregular and uneven, making the replenishment of reservoirs difficult during periods of scant rainfall. In this paper, a method has been devised to make available the maximum amount of water for irrigation, drinking, and the flow regime of Sofi Creek. The optimal performance of the Eleviyan Dam was evaluated based on reservoir inflows. Before the construction of the dam, 21 years of flow data (October 1973 to September 1994) was measured, and possible low flows were calculated. In this study, 2 scenarios are considered; the first scenario is based on the assumption of an initially full reservoir, and the second is based on the assumption of full dead volume in addition to drinking and utility water. In the first scenario, system shortages were observed in September at all confidence levels and in August at 80% and 90% confidence levels. In the second scenario, considerable shortages were observed in September at all levels, and in August with a 70%–90% and July with a 90% confidence level. Key words: Optimization model, reservoir operation, distribution functions, low flow 1. Introduction Across the world, and especially in arid regions, the temperatures are increasing; as a result, river flows are rapidly decreasing and reservoirs

• Nông nghiệp
• Optimization model
• Reservoir operation
• Distribution functions
• Low flow
• Irrigation reservoir
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