2009 Fiscal Year Final Research Report
Study of air-sea interactions on multi temporal scales over oceanic fronts
| Project/Area Number |
19340130
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Meteorology/Physical oceanography/Hydrology
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| Research Institution | Hokkaido University |
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Principal Investigator |
MINOBE Shoshiro Hokkaido University, 大学院・理学研究院, 教授 (70219707)
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| Co-Investigator(Kenkyū-buntansha) |
KOMORI Nobumasa 独立行政法人海洋研究開発機構, 地球シミュレータセンター, 研究員 (80359223)
KUWANOーYOSHIDA Akira 独立行政法人海洋研究開発機構, 地球シミュレータセンター, 研究員 (90392969)
NAKAMURA Tomohiro 北海道大学, 低温科学研究所, 講師 (60400008)
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| Project Period (FY) |
2007 – 2009
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| Keywords | メキシコ湾流 / 黒潮 / 大気海洋相互作用 / 海洋表面水温 / 降水帯 / 衛星観測 / 数値 / 計算 / 現業解析 |
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| Research Abstract |
We reported in a cover article of Nature (13 Mar. 2008) that the Gulf Stream causes a series of atmospheric responses, not limited to the atmospheric boundary layer, but penetrate to the free troposphere. Also, we found two different atmospheric modes, i.e., the shallow heating mode prominent in winter and the deep heating mode in summer. The difference of the summer and winter atmospheric responses is associated with the atmospheric stability between the two seasons. A long-term numerical integration of an Atmosphere-Ocean Coupled General Circulation model realistically reproduces major features of the recent satellite surface-wind observations. Furthermore, the first observational evidence of wave breaking, which is expected to cause low sea-surface temperatures, associated with ocean tide is obtained.
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[Presentation] A high-resolution simulation of the global coupled atmosphere--ocean system using CFES2010
Author(s)
Komori, N., B.Taguchi, A.Kuwano-Yoshida, H.Sasaki, T.Enomoto, M.Nonaka, Y.Sasai, M.Honda, K.Takaya, A.Ishida, Y.Masumoto, W.Ohfuchi, H.Nakamura
Organizer
2010 Ocean Sciences Meeting
Place of Presentation
Portland, U.S.A.
Year and Date
2010-02-23
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[Presentation] Importance of midlatitude oceanic frontalzones in the formation of storm-tracks and westerly jets as revealed in high-resolution climate modelsimulations2009
Author(s)
Nakamura H., T.Sampe, F.Ogawa, A.Goto, D.Hotta, B.Taguchi, M.Nonaka, N.Komori, A.Kuwano-Yoshida, W.Ohfuchi, S.-P.Xie
Organizer
2nd OFES International Workshop and ESC-IPRC Joint Workshop on Computationally-Intensive Modeling of the Climate System
Place of Presentation
Honolulu, USA
Year and Date
2009-12-10
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[Presentation] High-resolution simulation of the global coupled atmosphere-ocean system using CFES, U.S.2009
Author(s)
Komori N., B.Taguchi, A.Kuwano-Yoshida, H.Sasaki, T.Enomoto, M.Nonaka, Y.Sasai, M.Honda, K.Takaya, A.Ishida, Y.Masumoto, W.Ohfuchi, H.Nakamura
Organizer
CLIVAR Western Boundary Current Workshop
Place of Presentation
Phoenix, Arizona, USA
Year and Date
2009-01-15
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[Presentation] Impact of midlatitude oceanic frontal zones on the atmospheric general circulation and its annular variability: Importance of "oceanic baroclinic adjustment"2009
Author(s)
Nakamura H., T.Sampe, A.Goto, B.Taguchi, M.Nonaka, N.Komori, A.Kuwano-Yoshida, W.Ohfuchi, S.-P.Xie
Organizer
AMS 89th Annual Meeting
Place of Presentation
Phoenix, Arizona, USA
Year and Date
2009-01-13
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