Abnormal weather might be generated by the influence of global warming in various places. The flood damage by the heavy rain happened frequently in the local city. This paper presents the method of making the flood hazard map of Wakkanai, Hokkaido, based on the rainfall which has a statistical probability of being equaled 1 time in 30 years on average. Evacuation countermeasures of Wakkanai City were also examined by the flood analysis result. The examination is not only water depth on the hazard map but also flow velocity for safe walking resident's evacuation, and considers about the evacuation possibility.
北海道稚内市の洪水ハザードマップ作成 および避難に関する考察
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