| Budget Amount *help |
¥99,190,000 (Direct Cost: ¥76,300,000、Indirect Cost: ¥22,890,000)
Fiscal Year 2019: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2018: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2017: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2016: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2015: ¥22,750,000 (Direct Cost: ¥17,500,000、Indirect Cost: ¥5,250,000)
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| Outline of Final Research Achievements |
Existing parameterizations of turbulent mixing in the deep ocean especially over rough bathymetry still have plenty of room for improvement. In this study, we have made improvements on them based on various theoretical and numerical studies and confirmed their validity in terms of the comparison with the results of microstructure measurements which we carried out over the Izu-Ogasawara Ridge using VMP-5500 and/or VMP-X. Besides such improvement of the existing turbulent mixing parameterizations, we have successfully carried out microstructure measurements covering the whole Indonesian Seas, the results of which are expected to provide invaluable information toward the accurate prediction of global climate change.
We have also proposed a new generation mechanism of Langmuir circulation based on the results of the numerical experiments that take into account the interaction between surface waves and wind-induced current in the sea surface layer.
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