【摘要】 利用南昌市2002～2006年连续5a的降水监测资料,分析了南昌市酸雨污染的现状,揭示了南昌市酸雨的形成因素。研究表明,南昌市酸雨酸度大,频率高,且近年来降水pH值有下降趋势,降水主要是硫酸型污染。另外从降雨量、阴阳离子组成、大气颗粒物、城市周边地形条件4个方面对南昌市酸雨的影响进行了分析。更多还原

【Abstract】 The present situation of acid rain pollution in Nanchang city is analyzed based on the 2002-2006 precipitation observation data of Nanchang city and the causes of acid rain are revealed.The research shows that the acid rain in Nanchang is characterized by high in acidity and frequency.The PH value of rain has been in a descending trend in the recent years,and the acid rain is mainly caused by sulphuric pollution.In addition,4 factors are analyzed,including rainfall,constitute of ions,airborne particulate matter and terrain around the city on the acid rain in Nanchang.更多还原