宜宾市近50年来的夏季气温变化及特征  

Summer Temperature Changes and Its Features of Yibin City over the Latest 50 Years

作　　者：刘文宇 

机构地区：[1]宜宾市气象局,四川宜宾644007

出　　处：《宜宾学院学报》2010年第6期98-100,共3页Journal of Yibin University

摘　　要：运用正交分解(EOF)方法,对1959年到2008年宜宾市所辖10个气象观测站的夏季气温资料计算分析,并进行气候突变检测,识别出宜宾市夏季气温变化的主要空间分布和时间演变特征,表明宜宾市夏季气温在1987年附近发生了明显的变暖气候突变.The temperature data gained by 10 meteorological stations of Yibin city from 1959 to 2008 was analyzed by the empirical orthogonal function（EOF）.Results present the features of temperature change of Yibin in summer including the spatial distribution and the temporal evolution,and indicate the remarkable temperature change happened around in 1987.

关 键 词：夏季气温 EOF方法 时空变化特征 宜宾市 

分 类 号：P468.271.3[天文地球—大气科学及气象学]