Semi-prognostic calculation of the meridional overturning circulation with a realistic vertical diffusivity
| Project/Area Number |
21740345
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Meteorology/Physical oceanography/Hydrology
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| Research Institution | Kyushu University |
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Principal Investigator |
ENDOH Takahiro 九州大学, 応用力学研究所, 学術研究員 (10422362)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | 深層海洋大循環 / 子午面循環 / 鉛直乱流拡散 / 海洋大循環モデル / semi-prognostic法 / 黒潮 |
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| Research Abstract |
The semi-prognostic method, which introduces a correction term for potential temperature and salinity to the horizontal momentum equation, is applied to an idealized three-dimensional model of buoyancy-driven flow in a single hemisphere. The magnitude of the meridional overturning circulation(MOC) with realistic stratification as well as vertical diffusivity is small, suggesting that the magnitude of the MOC might be overestimated by the previous measurements, and/or that a substantial part of the MOC might be driven by dynamical processes other than vertical diffusion.
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Report
(4 results)
Research Products
(19 results)
