Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 15, issue 4
Articles | Volume 15, issue 4
https://doi.org/10.5194/nhess-15-747-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/nhess-15-747-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 4
Research article
 | 
08 Apr 2015
Research article |  | 08 Apr 2015

The role of diffraction effects in extreme run-up inundation at Okushiri Island due to 1993 tsunami

K. O. Kim, D. C. Kim, B. H. Choi, K. T. Jung, J. H. Yuk, and E. Pelinovsky

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Short summary
The 1993 Hokkaido tsunami brought about a maximum wave run-up of 31.7m. To reproduce the extreme run-up height, a three-dimensional non-hydrostatic model has been locally applied with open boundary conditions supplied in an offline manner by a three-dimensional hydrostatic model. The diffraction of the tsunami wave primarily by islands was found to result in the extreme run-up height as in the laboratory simulation.
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Progress in tsunami science in light of the 2004 and 2011...
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