| Xie An,Chen Longxun,Takio Murakami. 1988. Annual and interannual variations of large-scale circulation over the tropics as revealed from OLR data. Acta Oceanologica Sinica, (2):195－202 |
| Annual and interannual variations of large-scale circulation over the tropics as revealed from OLR data |
| Annual and interannual variations of large-scale circulation over the tropics as revealed from OLR data |
| Received:February 28, 1987 Revised:May 20, 1987 |
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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. |
| 中文摘要: |
| 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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