阳谷县近50年气温变化特征分析

Analysis of Temperature Change Characteristics in Yanggu County in the Past 50 Years

基于1968—2017年阳谷县气温资料,利用线性趋势拟合、Mann-Kendall非参数检验、Mann-Kendall突变检验等统计方法对月平均气温、月平均最高气温、极端最高气温进行分析。结果表明,近50年尤其是2010年以来,阳谷县气温总体呈上升趋势,但极端最高气温以0.216℃/10年的速度下降。

Based on the temperature data of Yanggu County from 1968 to 2017,the monthly average temperature,monthly average maximum temperature and extreme maximum temperature were analyzed by linear trend fitting,Mann-Kendall non-parameter test,Mann-Kendall mutation test and other statistical methods.The results showed that in the past 50 years,especially since 2010,the temperature in Yanggu County has generally shown an upward trend,but the extreme maximum temperature has dropped at a speed of 0.216℃per 10 years.