Breaching of Sandy Coast and Spit Due To The 2011 Tsunami and Their Recovery
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概要
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This study highlights recovery of sandy coasts and river mouths in Miyagi Prefecture after severe erosion due to The 2011 Great East Japan Earthquake Tsunami, based on a field investigation and aerial photograph analysis. It is found that the duration required for morphology recovery is highly dependent on the length of surrounding sandy coast supplying sediment. In addition, one-line model is applied to reproduce this recovery process. Although complete agreement cannot be achieved as compared with the measurement, qualitative agreement is obtained for the relationship between the recovery time and the ratio between the length of sandy coast and the breaching width. The findings of this study may be useful for preparing for tsunami disaster prevention and preparedness.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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