| Project/Area Number |
10440132
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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 | Center for Climate System Research |
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Principal Investigator |
TAKAHASHI Masaaki Center for Climate System Research, The University of Tokyo, Professor, 気候システム研究センター, 教授 (70188051)
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| Project Period (FY) |
1998 – 2000
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| Project Status |
Completed (Fiscal Year 2000)
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| Budget Amount *help |
¥9,200,000 (Direct Cost: ¥9,200,000)
Fiscal Year 2000: ¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1999: ¥2,800,000 (Direct Cost: ¥2,800,000)
Fiscal Year 1998: ¥4,100,000 (Direct Cost: ¥4,100,000)
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| Keywords | general circulation / meso-scale phenomena / Kanto plane / precipitation / quasi 2-day oscillation / long-term variations / Baiu front / statistical analysis / メソ現象 / 海陸風 / 統計 / 2日振動 / 過剰調節 / 統計的事実 / モデル実験 / 高層気象台データ / 2次元モデル / 傾圧波動 / 内部重力波 |
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| Research Abstract |
Some studies about meso-scale phenomena in general circulation have been investigated. Main results are as follows. The interdiurnal variation (quasi 2-day oscillation ) of the cumulus convection over the Kanto plane in summer is found. Long-term changes in the properties of summer precipitation in the Tokyo area is also investigated. Recent stronger precipitation is found in data analysis. Further, long-term variations of the Baiu front is statistically anaysed. The delay of northward movement of the Baiu front is found.
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