no117-120

[119] Evaluating Recent Developments in Building and Land Use Management of Urban Areas Against Flood Risks in Japan

- Focusing on the Measures Related to River Basin Disaster Resilience and Sustainability During 2019-2022

○Taku Nakano¹, Nozomu Kiuchi² (1. Building Research Institute, 2. National Institute for Land and Infrastructure Management)

Keywords:Flood Risk, Land Use Regulation, Disaster Mitigation, River Basin Disaster Resilience and Sustainability

In Japan, the "River Basin Management Related Laws" in 2021 triggered various progress in flood control methods and floodproof measures. The legislation and concurrent efforts consequently, should also have significantly changed the basis of discussion and issues of flood countermeasures in the urban planning field. Therefore, based on the changes in legal systems and private sector initiatives that arose between 2019 and 2022, this paper examines future issues to deepen the efforts to decrease flood risks in urban areas. According to the clarified 7 issues, eliminating delays in the development of established standards on which to base the application of the legal system for flood control, in particular, would be most helpful in deepening effective urban flood control efforts.