2013 Fiscal Year Final Research Report
Forecasting of secondary tidal oscillation (Abiki) along the west coast of Kyushu and development of countermeasure of the disaster mitigation
| Project/Area Number |
23360217
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Hydraulic engineering
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| Research Institution | Kagoshima University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
YAMASHIRO Toru 鹿児島大学, 理工学研究科, 教授 (20158174)
TANAKA Kenji 広島工業大学, 環境学部, 准教授 (30315288)
SAITA Tomonori 鹿児島大学, 理工学研究科, 准教授 (80432863)
KAKINUMA Taro 鹿児島大学, 理工学研究科, 准教授 (70371755)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 自然災害 / 自然現象観測・予測 / 数値シミュレーション / 副振動 / 大気海洋過程 / 共鳴機構 |
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| Research Abstract |
During early spring time, the west coast area of Kyushu has suffered from the seiche disasters locally called Abiki. This study investigates the mechanism of the meteorologically generated secondary oscillations by means of the field measurements and numerical analyses. Two series of seasonal field observations were conducted at Urauchi bay in Koshiki Is., Kagoshima Prefecture. Numerical analyses for the three dimensional atmospheric fields over the East China Sea were conducted using an advanced meso-scale model. The oceanic fields under the atmospheric disturbances were also analyzed to clarify the resonant mechanism in offshore as well as coastal areas. Close discussion correlating the findings of field measurements with those of the numerical analyses has revealed a series of the mechanism throughout generation, development and amplification under the air-sea and geometric resonance.
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[Journal Article] Abiki oscillations in Sakitsu Bay, west Kyushu, Japan2013
Author(s)
Tanaka, K., Gohara, S., Koga, T., Yamaguchi, R., Yamada, F
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Journal Title
Natural Hazards
Volume: (online first)
DOI
Peer Reviewed
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