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《Journal of Shenyang Agricultural University》 2009-05
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Temperature Variation and Abrupt Change Analysis in Recent 50 Years in Liaoning Province

LIU Xue-feng1,LI Jun-lin2(1.College of Agronomy,Shenyang Agricultural University,Shenyang 110161;2.Xinmin Meteorological Bureau,Xinmin Liaoning 110300,China)  
In this paper,using the air temperature data from 50 observation stations in Liaoning Province during 1958-2007,inter-annual and inter-decadal variations of mean annual temperature,mean annual daily maximum and minimum temperature(expressed Tmean,Tmax and Tmin,respectively) were analyzed,and abrupt changes were detected with the Mann-Kendall method.The results showed that Tmean,Tmax and Tmin all behaved rising trends obviously,their linear trend rates were 0.285℃.10a-1,0.199℃.10a-1 and 0.395℃.10a-1,respectively.The change trends had the obvious differences between winter and summer temperature in Liaoning Province,temperature was raising obviously in winter,but was not clear in summer.The abrupt change points of Tmean,Tmax and Tmin were at 1995,1996 and 1989,respectively.
【CateGory Index】: P467
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