| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
Effect of baroclinic instability on entrainment and mixing processes in the density current descending a sloping bottom was investigated using a three-dimensional, non-hydrostatic numerical model. The particle tracking was performed in the numerical model, in which a large amount of the labeled particles were deployed. After being entrained into the baroclinic eddies, the particles go up and down repeatedly and as a result they descend the slope.
Moreover, the experimental results were applied to the bottom water formation in the Sea of Japan. The entrainment and mixing processes play very important roles in the bottom water formation in the Sea of Japan, where the dense shelf water descends the continental slope, entraining ambient sea waters, to form the bottom water.
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