摘要
本文采取环境质量监测工作中被动采样法,具有适用性强、地域范围广、使用周期长的特点,按照遂宁市辖区内16km×16km均匀网格布点,开展了为期一年的大气中SO2研究,分析区域内SO2浓度时空变化,以图形化方式表达。研究表明:整个遂宁市辖区范围内SO2浓度整体水平不高;不同时间、不同区域内的SO2浓度差异较大,秋冬高、春夏低;工业集中区浓度较高;受常年主导风向西北风以及污染源整体布局的综合影响,辖区范围内SO2浓度呈现西北低、东南高的趋势。
The passive sampling method has the characteristics of adoptable,region wild and durable.A one-year research on atmospheric SO2 was conducted in municipal districts by 16km×16km unit in Suining and the concentration of SO2 by space and time was analyzed with graphical method.The results showed that the average SO2 concentration was not high,and the difference was significant among different time and areas.The concentration in autumn and winter was higher than other seasons,and the concentration was also higher in the industry concentrated area.The concentration of SO2 in the district was higher in the east-south and lower in the west-north due to the influence of prevailing northwest wind and the distribution of pollutant sources.
出处
《四川环境》
2013年第4期58-62,共5页
Sichuan Environment
关键词
SO2
被动采样
时空分布
遂宁
SO2
passive sampling
spatial and temporal distribution
Suining
