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中文摘要: 对济南(1919～2002年)、青岛(1900～2002年)年及四季的平均和平均最低(高)气温序列进行诊断分析，结果表明:近百年来年平均最低气温和平均气温都呈上升趋势，但前者的增温率明显高于后者；最高气温青岛呈上升趋势，而济南却呈下降趋势；济南、青岛出现两次突然增暖，其中30年代的增暖以白天增暖较多，而80年代以来的增暖主要发生于夜间；由于日夜增暖的不对称性，导致第二次增暖期比第一次增暖期气温日较差明显变小。
中文关键词: 最高气温，最低气温，气候变暖
Abstract:The detailed analysis is carried out in terms of mean annual and seasonal maximum and minimum temperature series of Jinan (1919—2002) and Qingdao (1900—2002).The results indicate that the annual minimum and mean temperature have obviously increased,and the increasing rate of the former has exceeded that of the latter. Increasing trend of maximum temperature has occurred in Qingdao; while decreasing trend has happened in Jinan. There were two abrupt warming in Jinan and Qingdao,i.e.1930s and 1980s. 1930s warming occurred in daytime,1980s warming mainly happened in nighttime. Because of the asymmetric change of in maximum and minimum temperature,the diurnal temperature ranges become smaller in the second warming period than that of the first.
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引用文本：
胡桂芳,李芸,李德萍,2004.山东近百年来的最高、最低温度变化[J].气象,30(11):43-46.
,2004.Changes of Maximum and Minimum Temperature for Recent 100 Years in Shandong Province[J].Meteor Mon,30(11):43-46.
胡桂芳,李芸,李德萍,2004.山东近百年来的最高、最低温度变化[J].气象,30(11):43-46.
,2004.Changes of Maximum and Minimum Temperature for Recent 100 Years in Shandong Province[J].Meteor Mon,30(11):43-46.