利用戈达德太空研究所(Goddard Institute for Space Studies,GISS/NASA)建立的全球网格点月平均地表温度距平序列,通过一元线性回归、M-K检验对中亚地区1880~2011年地面气温变化的基本特征进行分析和讨论.结果表明:近130 a来,中亚地区温度变化趋势率为0.073℃/10 a,接近于全球,高于我国的近百年温度变化趋势率;中亚地区1、4、10月呈增温趋势,其中1月份温度变化幅度最大,4、10月份增温趋势率较大;而7月份呈微弱降温趋势.中亚地区年平均温度在20世纪80年代初期发生突变,出现较大的增温趋势,尤其是近50 a,增温明显.
Analysis of Temperature Variation in Recent 130 Years in Central Asia
Based on the global grid point monthly average surface temperature anomaly sequence established by the Goddard Institute for Space Studies (GISS/NASA) , the basic characteristics of the surface temperature change in central Asia from 1880 to 2011 were analyzed and discussed by using linear regression method and Mann - kendall test. The results show that in recent 130 years, the temperature increased with a rate of 0. 073℃/10 a in central Asia, which was similar to the global level and more than Chinese level. In January, April and October, temperature in central Asia presented increasing trend, and in July, it presented a weak decreasing trend. The annual average temperature in central Asia had the abrupt change in the early 1980s, especially in recent 50 years temperature increased obviously.
Central Asiaglobal warmingtemperature variation trendabrupt change