EXPERIMENTAL STUDY ON TRANSPORT CHARACTERISTICS OF COASTAL BOULDERS BY TSUNAMI AND HIGH WAVES

Satoshi Kiso; Tomohiro Yasuda; Nobuhito Mori; Andrew Kennedy

doi:10.9753/icce.v36.currents.7

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

No. 36 (2018)

EXPERIMENTAL STUDY ON TRANSPORT CHARACTERISTICS OF COASTAL BOULDERS BY TSUNAMI AND HIGH WAVES

Swash, Nearshore Currents, and Long Waves

https://doi.org/10.9753/icce.v36.currents.7

Published 2018-12-30

Satoshi Kiso
Tomohiro Yasuda
Nobuhito Mori
Andrew Kennedy

Satoshi Kiso

Tomohiro Yasuda

Nobuhito Mori

Andrew Kennedy

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Kiso, S., Yasuda, T., Mori, N., & Kennedy, A. (2018). EXPERIMENTAL STUDY ON TRANSPORT CHARACTERISTICS OF COASTAL BOULDERS BY TSUNAMI AND HIGH WAVES. Coastal Engineering Proceedings, 1(36), currents.7. https://doi.org/10.9753/icce.v36.currents.7

Abstract

Boulders made of coral limestone transported shoreward have been observed many times in the tropics and subtropical coastal zones, and are called storm boulders or tsunami boulders. They can become lasting evidence of historical mega-tsunami or super typhoon occurrence during the past hundreds to thousands of years, even if no literature record remains. In recent years, a large number of surveys have been conducted worldwide, and the existence of large boulders has been found in several areas such as the Pacific Ocean, the Caribbean Sea, the Atlantic Ocean, and other regions. Since there is limited observational record of their detailed motion, movement limit, and spatial distribution of transport by gigantic tsunami or storm waves, detailed movement mechanisms are still poorly known. This increases the difficulty of developing a model of boulder transport, and interpreting field observations. These hydrodynamic conditions are also directly related to structural loads of interest to engineers and planners. This study aims to measure transport characteristics of coastal boulders through a series of experiments in a tsunami-wave laboratory flume.

https://doi.org/10.9753/icce.v36.currents.7

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References

Kennedy, A., et al. (2016): Observations and modeling of coastal boulder transport and loading during super typhoon Haiyan, C.E.J., Vol.58, No.1, pp.1640004-1-25.

Kennedy, A., et al. (2017): Extreme block and boulder transport along a cliffed coastline during super typhoon Haiyan, Mar. Geol., Vol. 383, No. 1 pp.65-77.

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EXPERIMENTAL STUDY ON TRANSPORT CHARACTERISTICS OF COASTAL BOULDERS BY TSUNAMI AND HIGH WAVES

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