2010 Fiscal Year Final Research Report
Estimation of the paleo-tsunami scale using tsunami boulders
| Project/Area Number |
20740292
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Geology
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| Research Institution | Tohoku University |
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Principal Investigator |
GOTO Kazuhisa Tohoku University, 惑星探査研究センター, 上席研究員 (10376543)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 第四紀学 / 津波 / 地質学 / 津波工学 / 津波石 / 琉球列島 |
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| Research Abstract |
In this study, I investigated the size and spatial distributions of boulders deposited on the reef flat at the Ryukyu Islands, Japan in order to establish the identification criteria of boulders deposited by the tsunami and storm waves and to estimate the flow characteristics of the tsunami using boulders. As a result, tsunami and storm wave boulders are clearly distinguishable based on their size and spatial distributions. Moreover, paleo-tsunami flow characteristics can be estimated from boulders using the numerical model for the boulder transport.
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[Journal Article] Distribution of boulders at Miyara Bay of Ishigaki Island, Japan : A flow characteristic indicator of the tsunamis and storm waves.2010
Author(s)
Goto, K., Shinozaki, T., Minoura, K., Okada, K., Sugawara, D., Imamura, F.
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Journal Title
Island Arc 19巻
Pages: 412-426
Peer Reviewed
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