土木学会論文集B2(海岸工学)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
和文論文
流向に着目した2011年東北地方太平洋沖地震津波の挙動解析
佐貫 宏高川 智博田島 芳満佐藤 慎司
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2013 年 69 巻 2 号 p. I_201-I_205

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While most of post-tsunami studies focus on tsunami inundation heights, this study mainly focuses on inundating tsunami flow, which may have more direct impact on damages of the inundated area. Based on tilted poles and trees in the inundated area, this study collected data of tsunami flow directions at Rikuzen-takata, Ootsuchi, and Naraha. Obtained data totaled more than 850. Numerical tsunami inundation model was then applied to each of these sites to link simulated time-varying flow patterns with observed flow directions, which may represent the direction at which the largest force acted at each location. Proposed methodology is useful to deepen our understandings on the dynamics of the inundation tsunami flow.

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