土木学会論文集B2(海岸工学)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
東北地方太平洋沖地震による三陸海岸南部の津波被害と浸水特性
川崎 浩司鈴木 一輝高杉 有輝李 光浩中村 友昭鈴木 進吾
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2012 年 68 巻 2 号 p. I_381-I_385

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Tsunami damages and inundation characteristics on Sanriku southern coast due to The 2011 off the Pacific Coast of Tohoku Earthquake were investigated by conducting field survey and numerical simulation with a two-dimensional depth-integrated tsunami flow model. From the field survey, it was found that the run-up height in Toni Hongo has reached T.P.+20m which corresponds to a four or five-storied building and many coastal structures were destroyed by tsunami attack. The numerical results revealed that the first wave with a height of over T.P.+10m hit Sanriku southern coast after approximately 30 minutes from the occurrence of the earthquake. Moreover, inland area distant from the shoreline was also found to be greatly damaged by river run-up of tsunami.

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© 2012 公益社団法人 土木学会
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