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中文摘要: 根据1951～2000年全国160个观测站7月份降水量资料,使用EOF和聚类分析相结合的方法,把全国降水分成7个类型;分析了各类型所对应的500hPa环流背景和太平洋海温场分布特点,进而探讨了导致各类雨带分布可能的物理机制。
中文关键词: 降水类型，太平洋海温，成因分析，500hPa环流
Abstract:The division of seven precipitation patterns is made by applying both of the empirical orthogonal function(EOF) and cluster analysis , based on the data of monthly precipitation at 160 stations in China during 1951—2000.Their features in atmospheric and oceanic anomaly fields are analyzed.Furthermore , the possible cause of every precipitation distribution is studied.
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引用文本：
熊敏诠,陈菊英,2001.中国7月降水分型及其成因[J].气象,27(6):43-46.
,2001.Precipitation Distribution Pattern of China in July and Its Cause[J].Meteor Mon,27(6):43-46.
熊敏诠,陈菊英,2001.中国7月降水分型及其成因[J].气象,27(6):43-46.
,2001.Precipitation Distribution Pattern of China in July and Its Cause[J].Meteor Mon,27(6):43-46.