甘肃省近43年温度变化分析

Analysis of Temperature Change in Recent 43 years in Gansu Province

选取甘肃省具有代表性的兰州、敦煌、民勤、景泰、平凉、合作、武都7个气象站1968 ～ 2010年月平均气温资料,运用平均值及相关分析的方法,从年际变化和年代际变化的角度分析甘肃省近43年温度.结果表明,全省总体温度呈上升趋势,与我国西部气温变化趋势基本保持一致,尤其是20世纪90年代末以来有一个明显上升趋势.

Selecting monthly mean temperature data of 7 stations,including Lanzhou,Dunhuang,Minqin,Jingtai,Pingliang,Hezuo,Wu Du in Gansu Province during 1968-2010,using mean value and correlation analysis method,from angle of annual variation and interdecadal variation,temperature in Gansu Province in recent 43 years was analyzed.The results showed that the general temperature of whole province indicates upward trend,especially a clear upward trend in 1990s＇.