2009•Qiye jishu kaifaRequires access
The analysis of acid rain’s present situation and component in Changsha city
Chang Yi
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Abstract
According to rainfall monitoring data from the year 2004 to 2008 in Changsha City,we analyzed rainfall variation tendency and ionic components in Changsha area recent years. The result indicates that the Changsha now is the serious acid rain region, though the pH of rainfall show increasing trend recent years,but rainfall acidity remains and high frequency of Acid rain, Pollution from acid rain have not be significantly reduce. In components of rainfall, the highest ionic concentration is found SO2-4, pollution type is sulfuric acid, etc.