Characteristic Analysis on Climate Change in Spring in Shuangliu County

Using spring precipitation and temperature data from 1965 to 2008 in Shuangliu County, Sichuan Province, the characteristics of climate change of spring in 44 years are analyzed.The results indicate:i) From March to May in Shuangliu County, the mainly time dimension of precipitation change are 1.52a, 6.96a and 18.36a, the time dimension of temperature change is 10.56a.ii) The abruption change of precipitation in spring in Shuangliu County occurred in the middle of 1980s'.the trend is getting less.The abruption change of temperature occurred in the middle of 1990s', the trend is getting higher.The change of precipitation is earlier than that of temperature.iii) According to the mainly time dimension of the precipitation and temperature in spring, it can be indicated that in recent years and future, the precipitation is less than before, the temperature is higher than before.