城市化进程对气温和降水的影响研究——以长沙市1951~2011年气温与降水的变化特征分析为例

Study on the process of city influence on temperature and precipitation——Changes in the characteristics of Changsha city in 1951～2011 years of temperature and precipitation analysis as an example

文章综合分析了1951~2011年长沙市气候变化特征和从改革开放以来城市化进程对其影响作用。首先,以国家气候中心的长沙1951年1月至2011年12月逐月的月平均气温和月平均降水量数据为依据,运用气候学统计诊断方法,分析了长沙气温和降水年际和年代际变化的特征。再利用湖南省统计年鉴的数据,探讨了气象要素与长沙市城市化进程的相关性,讨论了城市化面积与气温之间有较强的相关性。

This paper analyzes the 1951~2011 older Changsha city climate change and the role of urbanization since the reform and opening up its influence.First monthly average temperature and average monthly precipitation data from the national climate centre Changsha january 1951 december 2011 monthly as the basis,the use of statistical climatology diagnostic methods to analyze the temperature and precipitation Changsha interannual and decadal variations characteristics.Furthermore this paper,Hunan province statistical yearbook of data,a comprehensive analysis of urbanization Changsha city,and urbanization and meteorological elements related analysis and discussion of a strong correlation between the urbanized area and the temperature.