Articles | Volume 17, issue 11
https://doi.org/10.5194/nhess-17-1871-2017
https://doi.org/10.5194/nhess-17-1871-2017
Research article
 | 
06 Nov 2017
Research article |  | 06 Nov 2017

High-resolution modeling of tsunami run-up flooding: a case study of flooding in Kamaishi city, Japan, induced by the 2011 Tohoku tsunami

Ryosuke Akoh, Tadaharu Ishikawa, Takashi Kojima, Mahito Tomaru, and Shiro Maeno

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Latest update: 20 Jan 2025
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Short summary
A numerical model was developed to simulate tsunami run-up in a densely built-up area by introducing internal hydraulic conditions on building footprints. Computation showed good agreements with observation on maximum wave heights and wavefront speed in streets in the 2011 Tohoku tsunami. An indicator for tsunami impact was introduced based on observed distribution of washed-out houses, and a numerical experiment suggested that building array improvement would reduce damage of houses remarkably.
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