Spatial and Temporal Distribution Feature of Acid Rain in Jiangsu Province during 1993-2004 and Its Impact Factors Analysis

Using the observational data of acid rain in Xuzhou,Huaiyin,Nanjing and Changzhou in 12 years,the effects of rainfall intensity , air temperature,relative humidity and wind speed on the occurence frequency of acid rain and pH value were analyzed.It was found that the occurrence frequency of acid rain and pH value had certain annual variability and seasonal variation,showing the increasing trend from north to south.The conditions ofdry settlementacid rain was not considered.