DRIFTING BUOY OBSERVATION RELEASED OFF THE COAST OF THE TOHOKU REGION OF THE PACIFIC OCEAN IN THE FALL OF 2014: LEEWAY EFFECT
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- SHIMADA Yoichi
- 水産大学校 海洋生産管理学科
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- KODAMA Takuya
- 岩手県水産技術センター 漁業資源部
Bibliographic Information
- Other Title
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- 2014年秋季に東北地方太平洋沖合から放流した漂流ブイ観測: 風圧流の影響
- 2014ネン シュウキ ニ トウホク チホウ タイヘイヨウ オキアイ カラ ホウリュウ シタ ヒョウリュウ ブイ カンソク : フウアツリュウ ノ エイキョウ
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Abstract
The drifting buoy with leeway effect has been released off the coast of the Tohoku region of the Pacific ocean in the fall of 2014. The behavior of the drifting buoy has been examined. The buoy after release circulates in the anticyclonic eddy formed by some seamounts and Kuroshio off the far eastern coast of Ibaraki. It moves eastward by the Kuroshio and Kuroshio Extension. It veers around the Kinmei seamount which is one of the Emperor Seamount Chain, where debris flowed out by tsunami in Tohoku region had been found. We have succeeded to calculate well the leeway estimation formula from buoy movement velocity data and 10m-wind data from NCEP/NCAR Reanalysis considering the time lag between buoy movement and 10m-wind.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 72 (2), I_475-I_480, 2016
Japan Society of Civil Engineers
