| 北京冬季PM2.5中元素碳、有机碳的污染特征 |
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| 引用本文： | 于建华,虞统,杨晓光,时建纲,王欣. 北京冬季PM2.5中元素碳、有机碳的污染特征[J]. 环境科学研究, 2004, 17(1): 48-50 |
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| 作者姓名： | 于建华 虞统 杨晓光 时建纲 王欣 |
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| 作者单位： | 1.北京市环境保护监测中心,北京,100044;中国科学院,安徽光学精密机械研究所,安徽,合肥,230031 |
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| 摘 要： | 通过2003年1月对北京市区PM2.5中元素碳(EC)、有机碳(OC)连续测量,分析了其污染特征。监测资料表明,北京市区PM2.5中ρ(OC)高于ρ(EC),它们多在夜间高、白天低,且变化趋势大致相同。北京市区冬季ρ(OC) ρ(EC)的值较低。
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| 关 键 词： | 元素碳(EC) 有机碳(OC) PM2.5 |
| 文章编号： | 1001-6929(2004)01-0048-03 |
| 收稿时间： | 2003-08-07 |
Characteristics of Organic Carbon and Elemental Carbon in PM2.5 in Beijing in the Winter |
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| YU Jian-hu,YU Tong,YANG Xiao-guang,SHI Jian-gang and WANG Xin. Characteristics of Organic Carbon and Elemental Carbon in PM2.5 in Beijing in the Winter[J]. Research of Environmental Sciences, 2004, 17(1): 48-50 |
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| Authors: | YU Jian-hu YU Tong YANG Xiao-guang SHI Jian-gang WANG Xin |
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| Affiliation: | 1.Beijing Municipal Environmental Monitoring Center,Beijing 100044,China;Anhui Institute of Optics and Fine Mechanics,CAS,Hefei 230031,China2.Beijing Municipal Environmental Monitoring Center,Beijing 100044,China |
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| Abstract: | Pollution characteristics of element carbon(EC) and organic carbon(OC) in PM2.5 are analyzed based on the continuous measurement in January 2003.The results show that OC has a higher concentration than EC on average level.Both OC and EC are usually high at night, and low during the day with a similar variation.The ratio of ρ(OC)/ρ(EC) is small in Beijing in the winter. |
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| Keywords: | element carbon(EC) organic carbon(OC) PM_(2.5) |
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