Preliminary Study on Impacts of Sea Level Rise and Response Strategies in Japan

by Nobuo Mimura, Ibaraki Univ, Hitachi, Japan,
Takao Ito, Ibaraki Univ, Hitachi, Japan,
Yasushi Hosokawa, Ibaraki Univ, Hitachi, Japan,
Masatoshi Tsutsui, Ibaraki Univ, Hitachi, Japan,
Koji Izumi, Ibaraki Univ, Hitachi, Japan,

Document Type: Proceeding Paper

Part of: Coastlines of Japan II


This paper presents the outline of the study carried out by a Japanese committee on the impacts of and response options to the anticipated sea level rise and climate change induced by global warming. Various phases of the impacts as well as a structure of impacts propagation are listed focusing on ports and developed coasts. In addition, a systematic approach is developed to estimate the cost of protection by raising structures as a response option. It is shown that the cost can reach as much as 92 billion $ only to protect the ports, harbors, and their neighboring areas along the Japanese coast.

Subject Headings: Sea level | Ports and harbors | Benefit cost ratios | Global warming | Coastal management | Thermal pollution | Structural response | Japan | Asia

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