| 北半球夏季Hadley环流的主导模态及其变率 |
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| 引用本文： | 冯然,李建平,王金成.北半球夏季Hadley环流的主导模态及其变率[J].大气科学,2011,35(2):201-216. |
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| 作者姓名： | 冯然 李建平 王金成 |
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| 作者单位： | 1.中国科学院大气物理研究所大气科学和流体力学数值模拟国家重点实验室, 北京,100029;中国科学院研究生院, 北京,100049 |
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| 基金项目： | 国家重点基础研究发展计划项目2010CB950400，国家自然科学基金资助项目41030961, 40821092 |
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| 摘 要： | 本文分析了1948～2007年北半球夏季Hadley环流的主导模态及其变率,结果表明:北半球夏季Hadley环流变率的主导模态包括两个赤道非对称模态,其主体分别位于北半球(简称为AMN)和南半球(简称ANTS)和一个赤道准对称的模态(简称QSM),AMN和AMS主要表征Hadley环流的年代际变率部分,而QSM主要表征...
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| 关 键 词： | Hadley环流 热带海温 热带季风 印度洋-西太平洋暖池 ENSO 热带大西洋 主导模态 |
The Principal Modes of Variability of the Boreal Summer Hadley Circulation and Their Variations |
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| Feng Ran,Li Jianping and Wang Jincheng.The Principal Modes of Variability of the Boreal Summer Hadley Circulation and Their Variations[J].Chinese Journal of Atmospheric Sciences,2011,35(2):201-216. |
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| Authors: | Feng Ran Li Jianping and Wang Jincheng |
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| Institution: | State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029; Graduate University of Chinese Academy of Sciences, Beijing, 100049;State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029;National Meteorological Center, China Meteorological Administration, Beijing, 100081; State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029 |
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| Abstract: | The principal modes of variability of the boreal summer(JJA) Hadley circulation(HC) and their variations during 1948-2007 are investigated.The results show that the year-to-year variability of the JJA HC is dominated by two asymmetric modes,centered respectively in the Northern Hemisphere(referred to as the AMN) and Southern Hemisphere(referred to as the AMS) as well as a quasi-symmetric mode(QSM) about the equator.The regime change of the JJA HC is revealed by the trends of the time series of AMN and AMS.I... |
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| Keywords: | Hadley circulation tropical sea surface temperature tropical summer monsoon Indian Ocean-western Pacific warm pool ENSO tropical Atlantic principal modes |
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