摘要
根据博州地区4个测站1958—2008年的年、季日照时数资料,分析博州地区日照时数的时空变化,并对年日照时数进行Mann—Kendall突变检验,结果显示:博州地区日照时数空间分布由西向东逐渐递减,日照时数随时间变化呈下降趋势,1983年前后为日照时数发生突变的开始年,空气污染可能是日照时数下降的主要原因之一。
Based on Temporal and spatial change of sunshine hour data of the 4 weather stations of Boertala Mongolia Autonomous Prefecture from 1958 to 2008 ,the temporal and spatial variety of sunshine hour was analyzed,and M-K test for the climate abrupt change was carried out.The results showed that the spatial distribution of sunshine hour in Boertala Mongolia autonoraous prefecture decreases gradually from west to east. There was a sunshine hour appears to decrease along with time series. There was a abrupt change of sunshine hour starts before and after 1983. Air pollution may be one of the main reasons that sunshine hour reduces.
出处
《现代农业科技》
2010年第13期318-320,共3页
Modern Agricultural Science and Technology
关键词
日照时数
变化趋势
突变
新疆博州
sunshine hour
change trend
abrupt change
Bozhou Xinjiang
