成都市区酸雨监测分析

该文统计整理了成都市区５个监测点１９９２－１９９４年５７７次降水样品的ｐＨ值和电导率，并结合气象条件进行了分析，结果表明，成都市区降水的年平均ｐＨ值（ｐＨ）为５．５７，酸雨发生频率为３７．４％，酸雨相对集中在７－９月。

The Analysis of Monitoring Acidrain in Chengdu

The conductivity and pH value are statistically analysed based on the 557 rainfall samples between 1992 and 1994 at 5 monitoring stations which focus on the observationary station directly belong to Chengdu Meteorological Bureau. And detail analysis under the meteorological conditions is abtained. Results show that annual average pH value in Chengdu is 5. 57 and the frequancy of acidrain is 37. 4 %. The acidrain happens dominantly between July and September,and is related with meteorological conditions.