西昌攀枝花温江三地酸雨特征对比分析

The Comparative Analysis on Acid Rain' Characteristics in Xichang, Panzhihua and Wenjiang

利用西昌、攀枝花、温江三站近7年的酸雨观测资料,分析三地的酸雨月、年变化特征。结果表明:西昌1—12月为弱酸雨污染;攀枝花1—3月无酸雨污染,4—12月为弱酸雨污染,温江秋、冬、春三季均为强酸雨污染,夏季为弱酸雨污染。西昌近年来p H值有增大趋势,攀枝花与温江年变化趋势不显著。经综合比较,温江为重酸雨区,攀枝花与西昌为轻酸雨区。

Based on Xichang, Panzhihua and Wenjiang＇s nearly seven years acid rain monitoring data, the month and annual variation characteristics of acid rain in three places are analyzed. The results shows that： in Xichang, there is weak acid rain pollution all year in Panzhihua, there is no acid rain pollution from January to March and weak pollution from April to December in Wenjiang, there is strong acid rain pollution in spring autumn and winter and weak pollution in summer The value of Xichang＇s PH has increasing trend in recent years, while the trend of Panzhihua and Wenjiang＇s Ph is not significant. Through comprehensive comparison, Wenjiang belongs to heavy acid rain area, Panzhihua and Xichang belong to light acid rain area.