| Annual and interannual variations of large-scale circulation over the tropics as revealed from OLR data |
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| 作者姓名： | Xie An Chen Longxun Takio Murakami |
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| 作者单位： | Peking University, Beijing, China;Academy of Meteorological Science, SMA, Beijing, China;University of Hawaii, Honolulu, Hawaii, U. S. A. |
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| 摘 要： | In this study, the outgoing longwave radiation (OLR) data of eight years have been used to investigate the annual and interannual variations of large-scale circulation over the tropics. The results of EOF analysis indicate that the first three eigenvectors reflect the essential features in OLR annual variation. However, they contribute little to the interannual change. In comparison, the fourth to the sixth components have very large year-to-year variations. The pronounced anomalies are located over the tropics with east-west dipole pattern. It implies that ENSO events are related closely to the variation of the Walker circulation.
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| 收稿时间： | 1987/2/28 0:00:00 |
| 修稿时间： | 1987/5/20 0:00:00 |
Annual and interannual variations of large-scale circulation over the tropics as revealed from OLR data |
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| Xie An,Chen Longxun,Takio Murakami.Annual and interannual variations of large-scale circulation over the tropics as revealed from OLR data[J].Acta Oceanologica Sinica,1988,7(2):195-202. |
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| Authors: | Xie An Chen Longxun and Takio Murakami |
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| Institution: | 1.Peking University, Beijing, China2.Academy of Meteorological Science, SMA, Beijing, China3.University of Hawaii, Honolulu, Hawaii, U.S.A. |
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| Abstract: | In this study, the outgoing longwave radiation (OLR) data of eight years have been used to investigate the annual and interannual variations of large-scale circulation over the tropics. The results of EOF analysis indicate that the first three eigenvectors reflect the essential features in OLR annual variation. However, they contribute little to the interannual change. In comparison, the fourth to the sixth components have very large year-to-year variations. The pronounced anomalies are located over the tropics with east-west dipole pattern. It implies that ENSO events are related closely to the variation of the Walker circulation. |
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