土木学会論文集B2(海岸工学)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
津波の河川遡上に対する河床勾配の影響に関する検討
茅根 康佑田中 仁Mohammad Bagus ADITYAWAN
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2012 年 68 巻 2 号 p. I_176-I_180

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Tsunami intrusion into river is investigated in this study. Investigation and analyses were conducted based on water level measurement data and bed slope at several rivers in Tohoku region during The Great East Japan Tsunami, 2011 and The Great Chillean Tsunami, 2010. These data were used to proposed an empirical method for estimating dissipation coefficient. The empirical method was used to approach the intrusion length by assuming that the furthest distance is given for the ratio of local tsunami wave height to the tsunami wave height at the river entrance of 0.05 (5%). The intrusion length from the proposed method in this study shows good comparison with measurement data.

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© 2012 公益社団法人 土木学会
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