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中文摘要: 分析了100hPa南亚高压的变化、500hPa位势高度距平特征与云南雨季开始期早晚的对应关系，归纳总结了El Nino和La Nina事件与西南季风建立、雨季迟早的联系，提出了云南雨季开始早迟的预报思路。
中文关键词: 夏季风，大气环流，ENSO，云南雨季
Abstract:The relationship between Yunan rainy season early or late onset and South Asia high variation at 100hPa,geopotentical height anomaly feature over mid-high latitude at 500hPa was analysed.It is concluded that characteristic law of El Nino/La Nino events and southwest monsoon onset,Yunnan rainy season early or late onset was presented.The forecast thinking of Yunnan rainy season early or late onset was suggested.
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基金项目:国家“九五”重中之重科技项目云南专题“云南短期气候预测系统的研究”(96-908-05-08)
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引用文本：
刘瑜,2000.云南雨季早迟的气候特征分析[J].气象,26(7):45-49.
,2000.The Climatic Feature Analysis of Yunnan Rainy Season Early or Late Onset[J].Meteor Mon,26(7):45-49.
刘瑜,2000.云南雨季早迟的气候特征分析[J].气象,26(7):45-49.
,2000.The Climatic Feature Analysis of Yunnan Rainy Season Early or Late Onset[J].Meteor Mon,26(7):45-49.