Temperature Changes Characteristic of Turpan in Recent 60 Years

Based on the annual,seasona and monthly mean temperature,and the maximum and minimum temperature and annual hot days data during 1952-2011 from meteorological stations in Turpan of Xinjiang,the time series tendency of temperature was analyzed by using linear tendency,9 years moving average and slide t test.The results showed that temperature of Turpan increased obviously with the rate of 0.359 ℃/10 a in recent 60 years,and in 1996 it had an abrupt change.The maximum warming amplitude was in winter and the minimum was in summer,the monthly temperature increased except in July and August,and in February temperature increased most.The minimum temperature increased more obviously than maximum temperature.The hot days also increased with the rate of 1.28 days/10 a.