Adaptation of Resilience against Disaster— Case Study of 2000 Tokai Flood and 2011 Flood in Shonai River, Japan
- 1 Department of Civil Engineering, Nagoya University, Nagoya, Japan
- 2 Department of Civil Engineering, Nagoya University, Nagoya, Japan
- 3 Department of Civil Engineering, Nagoya University, Nagoya, Japan
Abstract
In this study, the application of the resilience concept of the flood event depending on progress of the time is analyzed as the hazard occurrence, the disaster risk, the damage risk, and the evolution of the damages. Flood disaster is defined as the occurrence of an inundation in an exposed area. The human exposure (loss of life, injury, … ), structural (buildings, roads, … ) and functional (economic, political, … functions of an area) economic exposure cause high risk of damage if the area in which the hazard occurs is at low resilience. Furthermore the damage will increase without adequate response against disaster. The flood disaster risk is decreased by flood control measures, reducing structural and functional exposure. Non-structural measures, such as appropriate prior-evacuation, decrease the human exposure to flood disaster. This study reviews the events of 2000 and 2011 floods in the Shonai River basin in Japan to help assess resilience to flood disaster. These two events had the same type of hazards in intensity and location, allowing the study in terms of adaptation to flood disaster in the river basin to focus on the structural and nonstructural effort to increase resilience of the disaster depending on progress of the time.
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