Flood hazard map manual for technology transfer

This manual describes in brief the background, purpose, production and distribution of Flood Hazard Maps, as well as their verified effectiveness and current usage in Japan. Realistic questions on the evacuation of local residents in the event of flood are clarified, and the practical and effective usage thereafter of Flood Hazard Maps is reviewed in turn. The features and characteristics of rivers, flooding mechanisms, social framework, viewpoints on flood protection, collaboration of river management and residents, and the background and circumstances of Flood Hazard Maps of Japan might be different from those of other countries. The experience gained from the use of Flood Hazard Maps in Japan would be of significant use to other countries as well, provided the maps are used according to the specific circumstances of the respective countries.