北海道登別市における洪水氾濫流解析及び避難対策

概要

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This paper presents the urban flood hazard map of Noboribetsu, Hokkaido, based on the rainfall which has a statistical probability of being equaled 1 time in 50 years on average. The flood hazard map needs to include not only inundation areas and flooding water stage but also infomation for the safe evacuation of the residents. Therefore, flood flow simulation has to be carried out in high accuracy in order to ensure smooth evacuation when a flood is imminent. The 2D shallow water equation model is employed to the flood flow on the ground surface considering fine topography and land categories. The flood hazard map has a great advance to take appropriate countermeasures.
室蘭工業大学の論文