节点文献
秸秆焚烧对空气质量影响特征及判别方法的研究
Characterization and Identification Method of Ambient Air Quality Influenced by Straw Burning
【摘要】 利用南京空气自动监测数据及PM2.5组分监测结果,分析了2011年夏收秸秆焚烧期间大气污染特征,并探寻快速判别秸秆焚烧影响的指标及方法。结果表明:秸秆焚烧期间PM2.5污染特征显著,其组分中K+、EC、OC等浓度相对偏高。基于离子组分及碳元素在线监测数据,可选取K+作为快速判别指标,并根据K+与PM2.5的相关性,计算秸秆焚烧对PM2.5的贡献。同时结合OC、EC浓度变化,综合判别秸秆焚烧对空气质量的影响程度。
【Abstract】 The study analysed the characterization of air pollution during summer straw burning in Nanjing in 2011 based on the data of air quality automatic monitoring and the component of PM2.5,and discussed the rapid identification indicator and method of air pollution caused by straw burning.The results indicated that air pollution was characterized by fine particles with an abnormal high level of water soluble potassium（K+） and elemental carbon（EC） and organic carbon（OC）.By using aerosol water soluble ions and carbon online monitoring technology,the variation of K+ and OC and EC concentrations and the comparison of PM2.5 from straw burning and PM2.5 in air can be taken as the rapid identification indicator and method of air pollution caused by straw burning.
【Key words】 Straw burning； Air quality； PM2.5； Water-soluble K~+； Organic carbon； Elemental carbon；
- 【文献出处】 环境监测管理与技术 ,The Administration and Technique of Environmental Monitoring , 编辑部邮箱 ,2014年04期
- 【分类号】X51;X712
- 【被引频次】32
- 【下载频次】543