近48年安徽省宿州市气候变化特征分析

The analysis of Climate Change in Suzhou of Anhui Province During the Near 48 Years

根据1961～2008年宿州市气温和降水资料,运用一元回归、相关分析等数理统计方法,对近48年来安徽省宿州市气候变化进行分析。结果表明:近48年来宿州市年平均气温呈上升趋势,各季中冬季增温最明显,而夏季却出现降温趋势;增温最显著的是20世纪90年代以后。年平均降水量呈增加趋势,增量最大出现在20世纪90年代;夏、冬季平均降水量呈增加趋势,其中夏季增加对年均降水量增加的贡献最大,而春、秋季平均降水量呈减少趋势。

According to temperature and precipitation data in Suzhou of Anhui Province in 1961 -2008, using regression, correlation analysis and other methods of mathematical statistics on climate change Suzhou analyzed. The results showed that ： The annual average temperature rise in Suzhou during the 48 years, the temperature increase in winter is the most obvious, and the cooling trends have occurred in the summer ; warming is the most significant since the 20th century 90. Increase in annual average precipitation trends, the biggest increase occurred in the 20th century, 90＇s; There is an upward trend in average precipitation in the summer and winter, of which the most obvious increase in precipitation in the summer, while the average precipitation showed a decreasing trend in spring and autumn.