以上海市为例分析城市化发展过程对城市气温的影响。利用1966—2005年上海市地面观测资料,运用统计学方法,分析了上海市的年平均气温、年平均最高、年平均最低气温变化特征,做出年、季各要素的历史变化曲线及5年滑动平均曲线。结果表明:上海市的年平均气温普遍呈增暖趋势,但同一区域里市区和郊区气温的增温幅度明显不同,郊区增温幅度明显小于市区,而且增暖主要是在20世纪80年代以后;不同季节的气温变化趋势也存在明显差异,冬季气温呈明显增暖趋势,但夏季增暖不显著。
In order to analysis the urbanization impacting on temperature, the variational characteristics of annual average temperature, maximum and minimum temperature in Shanghai are analysed. The quarter and annual historical elements changing curve and 5 -year moving average cure are made. using the surface observations of forty years (1966--2005) and Statistical Methods, The results show that the whole area of Shanghai has become notably warmer, but their warm extent is different, the observation stations close to city are evidently warmer than the suburbs, especially after the 1980' s. There is also an evident difference in four seasons , the warm trend is evident in winter than that in summer.