研究论文
张晶,陈宗良,王玮.北京市大气小颗粒物的污染源解析[J].环境科学学报,1998,18(1):62-67
北京市大气小颗粒物的污染源解析
- SOURCE APPORTIONMENT ON FINE PARTICULATES IN ATMOSPHERE IN BEIJING
- 基金项目：
- 作者
- 单位
- 张晶
- 中国环境科学研究院大气所,北京 100012
- 陈宗良
- 中国环境科学研究院大气所,北京 100012
- 王玮
- 中国环境科学研究院大气所,北京 100012
- 摘要：1992年11月至1993年2月在北京市5个采样点采集了大气小颗粒物(<2.0μm)样品和总悬浮颗粒物样品,并采用等离子体发射光谱分析小颗粒物的化学成分,将其结果应用于化学质量平衡法解析污染源。主要结果,秋季各污染源的贡献率：尘土为15.9%、燃煤为28.3%、燃油(汽车尾气)为54.1%、钢铁工业为1.5%:冬季各污染源的贡献率：尘土为19.2%、燃煤为37.7%、燃油(汽车尾气)为42.6%、钢铁工业为0.3%.
- Abstract：Samples of suspended particles and fine particulates (<2.0μm) from atmosphere were collected at five sties in Beijing from Oct.6,1992 to Jan.13,1993.After digestion,the chemical compositions and concentrations of the samples were determined by inductively coupled plasma.The source contribution of various types to fine particulates were identified using a chemical mass balance model.Results showed that in autumn,the average contributions from dust,coal burning,oil burning (automobile emission gas),and steel industry were 15.9%,28.3%,54.1%,and 1.5% respectively.In winter,the average contributions from dust,coal burning,oil burning (automobile emission gas),and steel industry were 19.2%,37.7%,42. 6%,and 0.3%,respectively.
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