出石川流域における洪水流出予測と2004年台風23号出水時の氾濫解析

概要

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In this study, we were the subject of the Izushi River catchment area that is a branch of the Maruyama River, made investigated into flood runoff prediction, and an inundation analysis with the typhoon No.23. The rain response characteristics were clarified from two elements, namely, the catchment area and the rainfall distribution characteristics, and method of the flood runoff prediction was examined. As a result, three correlations on the two parameters in the runoff model and rainfall distribution characteristics were able to make analyzed. These were expressed with valid correlation formulas, and the prediction discharge of flood overflowing from river channel was estimated. Moreover, in order to prove the validity of these correlation formulas, flood analysis at the time of the typhoon No.23 was conducted, and it was compared to the survey figure of inundation. The reproducibility of this flood analysis was very good, and the validity of three correlation formulas was showed.
前橋工科大学の論文