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中文摘要: 利用北京地区近百年的逐日降水资料，对北京夏季（6～8月）不同等级降水过程的时间演变及其与夏季旱涝的关系进行了分析。提出北京夏季的旱涝与暴雨过程的关系最为密切，也就是说北京夏季暴雨过程的多少直接反映出夏季旱涝情况；并分析了偏旱和偏涝年代不同降水过程出现的频次。指出，年代偏旱或偏涝与降水过程次数的多少关系不大，而与降水强度即暴雨过程的多少和暴雨的强度有密切的关系。因此旱涝的短期气候预测必须与暴雨过程的短期气候预测相联系。
中文关键词: 暴雨，旱涝，相关分析
Abstract:Using the nearly centenary precipitation data in Beijing,analysed is the evolution of the different grades precipitation process during summer (June—August) and the relationship between the different grades precipitation process with the dryness and wetness in Beijing. The result showed that correlation between the torrential rain process during summer with drgness and wetnessin Beijing summer was very well,in other words,more or less of the torrential rain process during summer can directly show the dryness and wetness in Beijing. By analysis of the frequency of precipitation process appeared in the dryness years or wetness years,it is shown that the dryness and wetness had less relation to the number of precipitation process in summer,and more relation to the number and intensity of the torrential rain process. So the short range climate forecast of dryness or wetness must be related with the sort range climate forecast of the torrential rain process.
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基金项目:国家“九五”重中之重项目“我国短期气候预测系统的研究”（96-908-05-02）专题资助
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引用文本：
陆晨,李青春,1998.北京夏季不同等级降水过程与旱涝关系的分析[J].气象,24(3):38-41.
,1998.The Relationship between Different Grades Precipitation Process with Dryness and Wetness in Beijing Summer[J].Meteor Mon,24(3):38-41.
陆晨,李青春,1998.北京夏季不同等级降水过程与旱涝关系的分析[J].气象,24(3):38-41.
,1998.The Relationship between Different Grades Precipitation Process with Dryness and Wetness in Beijing Summer[J].Meteor Mon,24(3):38-41.