| The Weakening of the Asian Monsoon Circulation after the End of 1970＇s |
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| 作者姓名： | Wang Huijun |
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| 作者单位： | Institute of Atmospheric Physics, Chinese Academy of Sciences,
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| 摘 要： | The transition of the global atmospheric circulation in the end of 1970＇s can clearly be detected in the atmospheric temperature, wind velocity, and so on. Wavelet analysis reveals that the temporal scale of this change is larger than 20 years. Studies in this work indicate that the trend of the transition over the mid-latitude Asia is opposite to that of global average for some variables at the middle troposphere. Another finding of this research is that the African-Asian monsoon circulation is weaker and the trade wind over the tropical eastern Pacific is weaker as well after this transition. Such a signal may be found in the summer precipitation over China as well.
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| 关 键 词： | 亚洲季风环流 减弱 转变 |
The weakening of the Asian monsoon circulation after the end of 1970's |
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| Wang Huijun.The weakening of the Asian monsoon circulation after the end of 1970's[J].Advances in Atmospheric Sciences,2001,18(3):376-386. |
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| Authors: | Wang Huijun |
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| Institution: | Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029 |
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| Abstract: | The transition of the global atmospheric circulation in the end of 1970's can clearly be detected in the atmospheric temperature,
wind velocity, and so on. Wavelet analysis reveals that the temporal scale of this change is larger than 20 years. Studies
in this work indicate that the trend of the transition over the mid-latitude Asia is opposite to that of global average for
some variables at the middle troposphere. Another finding of this research is that the African-Asian monsoon circulation is
weaker and the trade wind over the tropical eastern Pacific is weaker as well after this transition. Such a signal may be
found in the summer precipitation over China as well.
This research was supported by the key project of Chinese Academy of Sciences under Contract KZCX2-203 and the key program
of the National Natural Science Foundation of China under Contract 49894170. |
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| Keywords: | Asian monsoon circulation Weakening Transition |
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