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KMID : 1024520020110121217
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Journal of the Environmental Sciences
2002 Volume.11 No. 12 p.1217 ~ p.1226
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A Study on the Determination of Water Storage-Supply Capacity of Agricultural Reservoir
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Ahn Seung-Seop
Jeong Soon-Dol
Lee Jeung-Seok
Yoon Kyung-Duck
Chang In-Soo
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Abstract
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This study aims at the effective estimation of water supply capacity of small scale reservoir and the proposal of the data which is necessary to establish the water resources management plan of down stream area of the reservoir in the future by comparison and examination about reservoir operation technique for the security of agricultural water in small scale reservoir. The result of flow calculation by Tank model is used for the input data as the inflow data which is needed for the analysis of water supply capacity. Stochastic method, simulation method, and optimization method are used to examine the water supply capacity, and water security amount is compared with each method. From the analyses of water supply capacities by each method, slightly different results are shown in spite of the effort to compare them equally using input data such as inflow data under equal conditions, and the comparison of water supply capacities by each method are as follows; linear planning method, simulation method, and transition probability matrix method in the order of amount from the largest. It is thought that the simulation method in which comparatively reasonable application of the inflow data is possible and is simulated in successive time series dam operation of the three methods used in this study thus, simulation model is proper to estimate the water supply capacity of agricultural small scale reservoir. And it is judged that the heightening of efficiency of water resources utilization according to the development of downstream area of dam may be possible using the upward readjusted water supply amount of and at 95% and 90% supply reliability respectively which are above the planning water supply amount of ton when the simulation method is introduced as the standard.
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KEYWORD
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Water supply capacity, Small scale reservoir
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