文档介绍：费县霾天气气候特征及防御措施
摘要利用费县2005―2016年的霾日数气象资料,分析其时间分布特征。结果表明,费县霾天气具有明显的季节性特征,霾天气主要发生在秋冬季,春夏季较少,6月霾天气呈减少趋势,每年的霾日数呈增长趋势。针对霾天气的危害提出一些防范措施,以期为费县霾天气的防御提供参考。
关键词霾天气;气候特征;防御措施;山东费县
中图分类号 文献标识码 A 文章编号 1007-5739(2017)12-0229-02
Abstract Based on the haze observational data of Feixian County from 2005 to 2016,the temporal distribution characteristics of haze in Feixian County were analyzed. The results indicated that the haze in Feixian County had obvious seasonal characteristics. The haze mainly occurred in fall and winter,less occurred in spring and summer. The haze in June showed a decreasing trend. The annual haze days showed the obvious increasing trend,and some preventive measures against the haze were put forward,so as to provide references for the defense of the haze in Feixian County.
Key words haze;climatic characteristic;defensive measures;Feixian Shandong
霾天气是我国秋冬季节常见的天气现象。霾天气发生时,由于大量极细微的干尘粒等均匀地浮游在空中, km。霾天气使远处光亮物体微带黄、红色,使黑暗物体微带蓝色[1]。随着社会的发展,由于经济规模的迅速扩大和城市化进程的加快,我国区域性霾天气日益严重,其主要因素是人为排放的大量气溶胶。霾的核心物质是空气中悬浮的灰尘颗粒或化学尘埃,包括硫氧化物、氮氧化物、有机碳氢化合物等[1]。工业发达地区二氧化硫等