| Budget Amount *help |
¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2016: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Strong currents associated with internal tides near the bottom around a continental shelf break were investigated by conducting oceanographic surveys and performing numerical experiments. Shipboard and mooring monitoring surveys were conducted in the coastal ocean off the Sanriku region. A non-hydrostatic model and an ocean general circulation model were developed in the numerical experiments to investigate physical oceanographic processes over the coastal ocean including the continental shelf, continental slope, and deep basin. It was elucidated that internal mode motions are generated by convergence and divergence of flows imping on or separating from the continental slope, which originate from barotropic tides generated on the ocean basin. The internal mode motions play important roles in the coastal ocean circulation, because they are particularly strengthened near the bottom around the continental shelf and slope.
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