Improvement of tsunami countermeasures based on lessons from the 2011 Great East Japan Earthquake and Tsunami - Situation after five years

Anawat Suppasri, Panon Latcharote, Jeremy D. Bricker, Natt Leelawat, Akihiro Hayashi, Kei Yamashita, Fumiyasu Makinoshima, Volker Roeber, Fumihiko Imamura

研究成果: Review article査読

41 被引用数 (Scopus)

抄録

The 2011 Great East Japan Tsunami exposed many hidden weaknesses in Japan's tsunami countermeasures. Since then, many improvements have been made in both structural measures (numerical simulations, coastal defense structures, building damage assessment and control forests) and nonstructural measures (warning/observation and evacuation). This review summarizes the lessons and improvements in the five-year time period after the 2011 event. After five years, most of the lessons from the 2011 tsunami have been applied, including more realistic tsunami simulations using very fine grids, methods to strengthen coastal defense structures, building evacuations and coastal forests, improved warning content and key points to improve evacuation measures. Nevertheless, large future challenges remain, such as an advanced simulation technique and system for real-time hazard and risk prediction, implementation of coastal defense structures/multilayer countermeasures and encouraging evacuation. In addition, among papers presented at the coastal engineering conference in Japan, the proportion of tsunami-related research in Japan increased from 15% to 35% because of the 2011 tsunami, and approximately 65-70% of tsunami-related studies involve numerical simulation, coastal structures and building damage. These results show the impact of the 2011 tsunami on coastal engineering related to academic institutions and consulting industries in Japan as well as the interest in each tsunami countermeasure.

本文言語English
論文番号1640011
ジャーナルCoastal Engineering Journal
58
4
DOI
出版ステータスPublished - 2016 12 1

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Modelling and Simulation
  • Ocean Engineering

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