Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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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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