| The Possible Influence of Stratospheric Sudden Warming on East Asian Weather |
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| 作者姓名： | 邓淑梅 陈月娟 罗涛 毕云 周后福 |
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| 作者单位： | Anhui Institute of Meteorological Sciences，School of Earth and Space Sciences，University of Science and Technology of China |
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| 摘 要： | By analyzing the linkage of the Northern Annular Mode （NAM） anomaly to the East Asian jet and the East Asian trough during Stratospheric Sudden Warming （SSW）, the influence of SSW on East Asian weather is studied. The results show that the East Asian jet is strengthened and the East Asian trough is deepened during SSW. With the downward propagation of SSW, the strengthened East Asian jet and the East Asian trough would move southward, expand westward and gradually influence the area of north and northeastern China. This implies that the winter monsoon tends to be enhanced over East Asia during SSW.
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| 关 键 词： | 东亚地区 同温层意外加温 射流 气候 |
The possible influence of stratospheric sudden warming on East Asian weather |
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| Shumei?Deng,Yuejuan?Chen,Tao?Luo,Yun?Bi,Houfu?Zhou.The Possible Influence of Stratospheric Sudden Warming on East Asian Weather[J].Advances in Atmospheric Sciences,2008,25(5):841-846. |
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| Authors: | Shumei Deng Yuejuan Chen Tao Luo Yun Bi Houfu Zhou |
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| Affiliation: | [1]Anhui Institute of Meteorological Sciences, Hefei 230031 [2]School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026 |
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| Abstract: | By analyzing the linkage of the Northern Annular Mode(NAM)anomaly to the East Asian jet and the East Asian trough during Stratospheric Sudden Warming(ssw),the influence of SSW on East Asian weather is studied.The results show that the East Asian jet is strengthened and the East Asian trough is deepened during SSW.With the downward propagation of SSW,the strengthened East Asian jet and the East Asian trough would move southward,expand westward and gradually influence the area of north and northeastern China.This implies that the winter monsoon tends to be enhanced over East Asia during SSW. |
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| Keywords: | stratospheric sudden warming northern annular mode the East Asian jet the East Asian trough |
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