| Budget Amount *help |
¥76,570,000 (Direct Cost: ¥58,900,000、Indirect Cost: ¥17,670,000)
Fiscal Year 2012: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2011: ¥12,740,000 (Direct Cost: ¥9,800,000、Indirect Cost: ¥2,940,000)
Fiscal Year 2010: ¥21,580,000 (Direct Cost: ¥16,600,000、Indirect Cost: ¥4,980,000)
Fiscal Year 2009: ¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000)
Fiscal Year 2008: ¥15,080,000 (Direct Cost: ¥11,600,000、Indirect Cost: ¥3,480,000)
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| Research Abstract |
To understand the freak wave generation mechanism, GPS wave observation systems utilizing an existing buoy moored in a deep ocean (~5400 m) and a drifting buoy were developed. Freak waves exceeding 13 m in wave height and giant waves around 18 m were observed near Japan, over a yearlong observations, for the first time in this region. Based on these observational evidences, we have validated the freakish sea index and analyzed marine accident cases near Japan. In addition, we have analyzed the wind data from the buoy and discovered that for certain cases the wind gust events occur concurrently with the freakish sea event, which is a new finding in the possible air-sea interaction.
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