| 1992年江南异常春雨的诊断研究 |
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| 引用本文： | 叶愈源.1992年江南异常春雨的诊断研究[J].应用气象学报,1993(Z1). |
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| 作者姓名： | 叶愈源 |
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| 作者单位： | 湖南省气象台 长沙410007 |
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| 基金项目： | 《长期天气预报理论与方法研究》课题 |
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| 摘 要： | 根据全球各等压面层的月平均高度场、温度场、风场的格点资料和热带环流、SST、OLR资料,研究了1992年3月我国南方异常多雨的主要原因,发现过量降水主要是与稳定的大气环流型和江南上空对流层低层的冷空气垫、强盛的西南气流和强烈的辐合上升有关,同时也与 ENSO 盛期有联系.
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| 关 键 词： | 春雨 异常 诊断 江南 |
A DIAGNOSTIC STUDY OF RAINFALL ANOMALIES IN MARCH OF 1992 FOR THE SOUTHERN CHINA |
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| Ye Yuyuan.A DIAGNOSTIC STUDY OF RAINFALL ANOMALIES IN MARCH OF 1992 FOR THE SOUTHERN CHINA[J].Quarterly Journal of Applied Meteorology,1993(Z1). |
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| Authors: | Ye Yuyuan |
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| Abstract: | Based on the data of global monthly mean geopotential height,temperature,windat various levels,and the data of tropical circulation,SST and OLR during March of1992,the anomalously frequent rain in the southern China in that period is studied.It isfound that the excessive rainfalls are attributed mainly to the stability of general circula-tion pattern and the favourable atmospheric structure over the southern China,i.e.,thecold air pool in the lower troposphere,strong southwest warm-wet flow,and severeconvergence upward motion.And,it is also related to the SST during the mature phaseof ENSO events. |
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| Keywords: | Spring rain Anomaly Diagnosis The southern China |
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