| IAP GCM模式大气背景环流在厄尔尼诺年的异常 |
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| 引用本文： | 王盘兴,刘家铭.IAP GCM模式大气背景环流在厄尔尼诺年的异常[J].南京气象学院学报,1991,14(4):503-509. |
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| 作者姓名： | 王盘兴 刘家铭 |
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| 作者单位： | 南京气象学院
(王盘兴)，美国航空和航天局戈达德航天中心
(刘家铭)，美国马里兰大学气象系(沈素红) |
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| 摘 要： | 本文分析了中国科学院大气物理研究所大气环流模式(IAP GCM)模式大气5～9月平均环流(本文称为背景环流)。结果表明;厄尔尼诺年一系列重要系统(南方涛动、瓦克环流、哈德莱环流、西太平洋副热带高压和热带辐合带)及大范围降水均发生明显异常;北半球西太平洋热带、副热带是环流异常的主要区域。它们与观测资料的分析结果基本一致,从而论证了该模式在低纬环流研究中的应用前景。
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| 关 键 词： | 大气 环流 厄尔尼诺 异常 模式 |
ANOMALIES IN THE BACKGROUND CIRCULATION OF THE IAP GCM MODEL ATMOSPHERE IN AN EL NINO YEAR |
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| Wang Panxing,Lau K.M,Shen S.H Nanjing Institute of Meteorology NASA/Goddard Space Flight Center,U. S. A.ANOMALIES IN THE BACKGROUND CIRCULATION OF THE IAP GCM MODEL ATMOSPHERE IN AN EL NINO YEAR[J].Journal of Nanjing Institute of Meteorology,1991,14(4):503-509. |
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| Authors: | Wang Panxing Lau KM Shen SH Nanjing Institute of Meteorology NASA/Goddard Space Flight Center U S A |
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| Institution: | Wang Panxing,Lau K.M,Shen S.H Nanjing Institute of Meteorology NASA/Goddard Space Flight Center,U. S. A. Department of Meteorology,University of Maryland,U.S.A. |
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| Abstract: | Analysis is made of the May-September averaged circulationof the model atmosphere(referred to as the background circulation inthis paper)from the general circulation model(GCM)developed by theInstitute of Atmospheric Physics(IAP), Academia Sinica. Results showthat during an E1 Nino episode, a variety of important systems(SouthernOscillation. the Walker and Hadley circulations, the western Pacificsubtropical high and ITCZ)and extensive rainfall all undergo consider-able anomalies and the abnormalities occur mainly in the NH westernPacific tropical and subtropical latitudes.Analyses presented here arein good agreement with those of observational data, thereby demonstrat-ing the prospects of the GCM in the research on low-latitute circula-tions. |
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| Keywords: | general circulation model(GCM) atmospheric circulation anomaly El Nino event |
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