文档介绍：SO2 Emission and Acid Rain Change in Chongqing
Zeneng HE Xiaoping TANG, Bingquan TAN
Chongqing Institute of Meteorological Sciences Shapingba Meteorological Bureau
Chongqing, . China Chongqing, . China
hezeneng@
Abstract—Based on the acid rain data measured at Shapingba It always has been paid broad attention for the acid rain
weather station in Chongqing from 1993 to 2007 and the emission problem in Chongqing. For the chemical characteristics[7-8],
[9] [10] [11-13]
data of SO2 in Chongqing, Guizhou and Sichuan, the acid rain forming mechanism , pollution source , distribution ,
[14]
change trend and its relationship with SO2 emission were trend , et al. of acid rain in Chongqing, some researches have
analyzed. The results indicated that in the past 15 years, the been done and some basic laws have been uncovered.
change trend of the pH value of the precipitation in Chongqing Contamination emit is the main cause of formation of acid rain.
changed between and . The annual variation trend was
In Chongqing, SO2 as the main contamination has the most
increasing. In the past 15 years, acid rain (pH<) frequency in influence to acid rain. So, based on the understanding of acid
Chongqing was high and increased with fluctuate. The frequency rain change in Chongqing, the influence of SO emission to
of acid rain exceed relativ