PROBABILISTIC EVALUATION OF STORM SURGES IN SURUGA BAY EMPLOYING STOCHASTIC TYPHOON MODEL

Tomohiro Yasuda; Katsuhito Iwahara; Shota Hirai

doi:10.9753/icce.v36.currents.64

No. 36 (2018), Swash, Nearshore Currents, and Long Waves

No. 36 (2018)

PROBABILISTIC EVALUATION OF STORM SURGES IN SURUGA BAY EMPLOYING STOCHASTIC TYPHOON MODEL

Swash, Nearshore Currents, and Long Waves

https://doi.org/10.9753/icce.v36.currents.64

Published 2018-12-30

Tomohiro Yasuda
Katsuhito Iwahara
Shota Hirai

Tomohiro Yasuda

Katsuhito Iwahara

Shota Hirai

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Yasuda, T., Iwahara, K., & Hirai, S. (2018). PROBABILISTIC EVALUATION OF STORM SURGES IN SURUGA BAY EMPLOYING STOCHASTIC TYPHOON MODEL. Coastal Engineering Proceedings, 1(36), currents.64. https://doi.org/10.9753/icce.v36.currents.64

Abstract

Design procedure of coastal embankment in Japan compares tsunami height and storm surge height and employs higher value as a crown level. Estimation of tsunami or storm surge height is usually based on the historical maximum record or an assumed maximum value. Estimation of storm surge needs not only typhoon intensity but also its characteristics e.g. tracks and travel speed. It is difficult to estimate the probability of storm surges using only observed data since typhoon rarely attacks particular area and storm surges are seldom generated. This study proposes probabilistic evaluation procedure of storm surges employing stochastic typhoon model and applies to Suruga Bay, Japan.

https://doi.org/10.9753/icce.v36.currents.64

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References

Nakajo, S., Mori, N., Yasuda, T., Mase H. (2014): Global stochastic tropical cyclone model based on principal component analysis with cluster analysis, Journal of Applied Meteorology and Climatology, 53, pp.1547-1577.

Kim, S.Y., Yasuda, T., Mase, H. (2008): Numerical analysis of effects of tidal variations on storm surges and waves, Applied Ocean Research, Vol.30, Issue 4, pp.311-322.

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PROBABILISTIC EVALUATION OF STORM SURGES IN SURUGA BAY EMPLOYING STOCHASTIC TYPHOON MODEL

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