摘要
根据临沂市1961-2004年的季、年平均气温和降水量资料,采用Mann-Kendall突变检验法,分析了近44年临沂市的气候变化趋势和突变特征．分析结果表明,临沂市近44年的气候变化特点是:气温明显上升,降水量有减少的趋势;年和四季的平均气温和降水量均存在突变,气候从一个相对较湿冷的平均态转变到一个相对较干暖的平均态．
In this paper, Mann-Kendall test technique is applied to detect the abrupt change in seasonal temperature and precipitation between 1961 and 2004 in Linyi city. Result shows that the temperature is obviously ascending, and the precipitation is decreasing. The temperature and precipitation have been changing abruptly,and the wet and cool climate has been becoming to dry and warm.
出处
《临沂师范学院学报》
2005年第6期45-49,共5页
Journal of Linyi Teachers' College
关键词
气温
降水
突变
Mann—Kendall方法
temperature
precipitation
abrupt climate change
mann-kendall test technique
