摘要
长沙市酸雨出现较早,近年来逐渐加重.2004年酸雨频率已达90%以上,pH年均值在4.0以下.文章以2000～2005年上半年的长沙市降水统计数据为基础,分析了酸雨的变化趋势,为长沙市酸雨的有效控制提供了可靠依据.
The acid rain in Changsha city appeared in the early time, and it gets heavier in recently year. In 2004, the acid rain frequency had reached 90% above. The annual average of pH is below 4.0. This report is based on the relevant statistical data from 2000- 2005, and this report analyzes the changing trend of acid rain, it provides some reliable information for the control of acid in Changsha city.
出处
《湖南有色金属》
CAS
2005年第6期28-30,共3页
Hunan Nonferrous Metals
关键词
酸雨
酸雨频率
变化趋势
acid rain
acid rain frequency
changing trend
