朔城区近53年气温变化特征分析

Analysis on the Characteristics of Temperature Changes of Shuocheng District in the Past 53 Years

根据朔城区气象局1957—2009年近53年的气温序列资料,分析了朔城区年平均气温、各季节平均气温、平均最高、最低气温及极端最高、最低气温变化特征。结果表明:近53年来朔城区气候分为冷、暖两个阶段,以20世纪90年代中期为界,前为冷期,后为暖期。年和季的平均气温都呈上升趋势,20世纪90年代中期以来这种趋势尤为明显。

Based on the meteorological Series Data of the past 53 years from 1957 to 2009 of the Weather Bureau of Shuocheng District,the paper analyzes the characteristics of the annual average temperature,the seasonal average temperature,the average lowest and highest temperatures and the extremely low and high temperatures,whose result shows that there have been two stages of cold and warm weather in the past 53 years,with the middle of the 1990s as the dividing line,before which is the cold stage and after which is the warm stage.The annual and seasonal average temperatures are on the rising trend,especially from the middle of the 1990s.