| 与长江流域旱涝相联系的全球低频环流场 |
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| 引用本文： | 黄静,朱乾根,李爱武. 与长江流域旱涝相联系的全球低频环流场[J]. 热带气象学报, 1997, 13(2): 146-157 |
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| 作者姓名： | 黄静 朱乾根 李爱武 |
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| 作者单位： | [1]南京气象学院 [2]中国气象科学研究院 |
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| 摘 要： | 通过对梅雨前后低频风场和速度势场的分析，发现全低频风场 仅在长江流域的旱年及涝年表现现显著的不同，而且在同一年的夏季降水变化的不同位相中也表现出明显相反的环流分布。着眼于１９８０，１９８８年两年，我们发现这种不同与低频速度势场的波动有关。１９８０年降水与东亚季风区内人工频振荡的北传以 半球高纬的涡旋列不断东移相联系。而１９８８年降水变化则是与源于热带太平洋中部的小代频涡旋北进发展有密切的关系。
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| 关 键 词： | 长江流域 旱涝 环流场 低频振荡 |
THE CHARACTERS OF LOW FREQUENCY CIRCULATION AROUND THE GLOBE AND ITS RELATIONSHIP WITH THE FLOOD/DROUGH IN THE CHANGJIANG RIVER VALLEY |
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| Huang Jing,Zhu Qiangen and Li Aiwu. THE CHARACTERS OF LOW FREQUENCY CIRCULATION AROUND THE GLOBE AND ITS RELATIONSHIP WITH THE FLOOD/DROUGH IN THE CHANGJIANG RIVER VALLEY[J]. Journal of Tropical Meteorology, 1997, 13(2): 146-157 |
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| Authors: | Huang Jing Zhu Qiangen Li Aiwu |
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| Affiliation: | Nanjing Meteorological Institute, Nanjing, 210044;Nanjing Meteorological Institute, Nanjing, 210044;Chinese Academy of Meteorological Sciences |
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| Abstract: | In this paper, a concret analysis was made on the characters of the low frequency wind and velocity potential fields around the time of Meiyu. It is found that remarkable distinct circulation patterns in the low frequency wind fields around the globe not |
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| Keywords: | Flood and drought in Changjiang River Valley Low frequency fluctuation around the globe Interannual change |
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