Major disasters cause loss of life and serious disturbance to livelihoods. Integrative and innovative risk management is needed to reduce the impacts of such a disturbance. To pursue this, a better understanding of the current level of disaster risk management is indispensible. Following this line of thinking, the present work was intended to evaluate the various aspects of flood risk management in Japan using a recent case of major flooding that occurred last autumn as a result of a major storm. The focus was on the vulnerability assessment for the disaster-stricken area using various kinds of information including topographic features, land use, flood warning system, evacuation behavior, levee structure, insurance system and government support for recovery. Such an integrative assessment shed new light on vulnerability-generating mechanisms. In particular, it found that the disaster-stricken area has a high level of coping capacity related to flood disasters. However, the high level of coping capacity hinders the reduction of susceptibility to the impacts of flooding. Based on this finding, a new, simple but operational vulnerability management framework was proposed, which may help decision-makers prioritize actions for vulnerability reduction.

中文翻译：

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通过最近的案例评估日本的洪水风险管理

重大灾害造成人员伤亡，严重扰乱民生。需要综合和创新的风险管理来减少这种干扰的影响。为此，必须更好地了解当前的灾害风险管理水平。遵循这一思路，本工作旨在利用去年秋天因大风暴而发生的大洪水的最近案例来评估日本洪水风险管理的各个方面。重点是利用各种信息对灾区进行脆弱性评估，包括地形特征、土地利用、洪水预警系统、疏散行为、堤防结构、保险系统和政府对恢复的支持。这种综合评估为脆弱性产生机制提供了新的视角。尤其是发现灾区具有较高的洪水灾害应对能力。然而，高水平的应对能力阻碍了对洪水影响的敏感性的降低。基于这一发现，提出了一个新的、简单但可操作的漏洞管理框架，它可以帮助决策者优先考虑减少漏洞的行动。