| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2011: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Research Abstract |
We study the barotropic flows in a domain on a rotating sphere with the rigid boundary under a uniform easterly wind, and observe two-gyre flow patterns. As wind-forcing increases, an oscillating instability arises from the steady flow of westward intensification by Hopf bifurcation. As wind-forcing is strong, a vortex street occurs from each gyre. As the size of the fluid field is larger, the number of the north and the south vortex streets increases. The westward intensification is observed for steady flow with inflow and outflow.
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