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Nguyen Xuan Tinh, Hitoshi Tanaka, Xiping Yu and Guangwei Liu
In this study, the tsunami-induced bottom boundary layer was investigated based on actual waveforms obtained by the GPS buoys along the coast of the Tohoku region during the 2011 Great East Japan Earthquake tsunami. The k-? model was utilized for the num...
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Yoshimichi Yamamoto, Yuji Kozono, Erick Mas, Fumiya Murase, Yoichi Nishioka, Takako Okinaga and Masahide Takeda
The aftermath of the Indian Ocean tsunami on 26 December 2004 triggered by the off Sumatra earthquake (magnitude ?M? = 9.1), and the Great East Japan earthquake of 11 March 2011 off the Pacific coast of Tohoku (M = 9.0), evidence the secondary damage fro...
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Nguyen Trong Hiep, Hitoshi Tanaka and Nguyen Xuan Tinh
The Nobiru Coast is situated on the southwest of the Ishinomaki Bay. The 2011 Great East Japan Tsunami severely devastated the Nobiru Coast and the adjacent Naruse River mouth. In this study, an investigation was conducted based on the available historic...
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Norio Tanaka, Yoshiya Igarashi and Takehito Zaha
As a mitigation measure against a tsunami inundation, vegetation-embankment hybrid structures received attention after the 2011 Great East Japan Tsunami, and some structures have already been constructed or are under construction in Japan. The present st...
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Sayed Masihullah Ahmadi, Yoshimichi Yamamoto and Vu Thanh Ca
In the case of huge tsunamis, such as the 2004 Great Indian Ocean Tsunami and 2011 Great East Japan Tsunami, the damage caused by ground scour is serious. Therefore, it is important to improve prediction models for the topographical change of huge tsunam...
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Rashedunnabi Ali Hasan Muhammad and Norio Tanaka
The 2011 Great East Japan tsunami revealed the limit of using natural or artificial infrastructures as a single tsunami countermeasure. In recent tsunami mitigation strategy, interest in a hybrid defense system (combination of natural and artificial infr...
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Kwanchai Pakoksung, Anawat Suppasri and Fumihiko Imamura
The aim of this study is to assess the performances of different infrastructures as structural tsunami countermeasures in Sendai City, based on the lessons from the 11 March 2011, Great East Japan Tsunami, which is an example of a worst-case scenario. Th...
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Joshua Macabuag, Tiziana Rossetto, Ioanna Ioannou and Ian Eames
Catastrophe models quantify potential losses from disasters, and are used in the insurance, disaster-risk management, and engineering industries. Tsunami fragility and vulnerability curves are key components of catastrophe models, providing probabilistic...
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Kei Yamashita, Anawat Suppasri, Yusuke Oishi and Fumihiko Imamura
To evaluate tsunami hazards with strong locality in urban areas, this study developed a novel tsunami inundation model based on nonlinear shallow water wave equations and a porous body model (PBM). By applying a kinematic boundary condition that includes...
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Mari Yasuda, Toshiaki Muramoto and Rui Nouchi
In this research, a visiting class on disaster preparedness education for higher-grade elementary school students (10?11 years old) was conducted in Wakayama prefecture, which is exposed to Nankai Trough earthquakes, and in different parts of the three p...
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