靖西县近50年气候变化特征分析

Climate Characteristic of Jingxi County in Nearly 50 Years

利用靖西国家基本气象站1958～2007年的气温和降水资料,运用数理统计方法,分析了靖西县近50a气温、降水的变化特征。结果表明,年平均气温、年平均最高气温、年平均最低气温、四季平均气温均呈上升趋势,1997年之后年平均气温进入一个迅速上升阶段,夏季高温天气增多,冬季低温天气减少,气候变暖主要来自于冬、秋季气温增高的贡献;降水量略呈上升趋势,但变化不明显。

Basing the meteorological data of Jingxi weather station from 1958～2007,using mathematical statistics method,the temperature and precipitation characteristics of Jingxi county in the past 50 years were analyzed.The results show that the annual average temperature is rising,as well as the average maximum temperature,annual mean minimum temperature and average seasonal temperature.After 1997,the annual average temperature entered a phase of rapid rise with hot weather days increasing in summer,and cold weather days reducing in winter.Warming is mainly due to the winter and autumn temperatures increase.And precipitation slightly increased,but not significantly.