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李曾錫,李文貞,鄭光玉 慶一大學校 2002 論文集 Vol.18 No.-
The purpose of this study is to clarify the Hydraulic and Hydrologic characteristics of the loss of river facilities by the inundation extent of the low area and the flood, and topresent standards in order to set up the countermove, by executing analysis of hourly inundation depth variation on the low area according to the frequency-based rainfall to which Synthetic unit hydrograph is applied with object of the low areas around actual rivers. Therefore, the analysis of inundation depth using Synthetic unit hydrograph method of this study can be used for a method of a basic analysis technique to prevent the inundation of similar small and middle river areas and a methode of getting a simple and very accurate as well hereafter. and also if the method used here in this study is utilized, it can be a lot of help to minimize the flood damage by briefly providing the rough and prior information of the flood-expected area and the inundation-expected area among the wide area in case of an abnormal torrential rain.
소규모 농업용 저수지의 저류량-용수공급능력 결정에 관한 연구
안승섭,정순돌,이증석,윤경덕,장인수 한국환경과학회 2002 한국환경과학회지 Vol.11 No.12
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 follows; linear planning 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 55.18×10^6ton at 95% and 90% supply reliability respectively which are above the planning water supply amount of 50.0×10^6ton when the simulation method is introduced as the standard.