山东济阳近59年气温变化特征分析

Analysis of Temperature Variation Characteristics in Jiyang,Shandong Province in Recent 59 Years

本文利用济阳建站以来的气温资料,采用回归线性趋势分析、累积距平等方法,分析济阳近59年的气温特征。结果表明:(1)近59年济阳平均气温呈上升趋势,气候倾向率为0.185℃/10年;1996年之后气温上升明显;(2)四季气温变化趋势呈上升趋势,其中以冬季升温最为显著,尤其是2010年以后暖冬趋势更明显;(3)各月气温亦呈升温趋势,升温最为明显的是2月,其次为3月,8月升温趋势最平缓。

Based on the temperature data since the establishment of Jiyang station,this paper analyzes the temperature characteristics of Jiyang in recent 59 years by using the methods of regression linear trend analysis and cumulative distance equality.The results show that:(1)the average temperature in Jiyang has increased in recent 59 years,and the climate tendency rate is 0.185℃/10 years;After 1996,the temperature increased significantly;(2)The change trend of temperature in four seasons shows an upward trend,especially in winter,especially after 2010;(3)The temperature of each month also shows a warming trend.The most obvious warming is in February,followed by March,and the most gentle warming trend is in August.