Characteristics of organic and elemental carbon in PM2.5 samples in Shanghai, China
Feng, Yanli2; Chen, Yingjun1,3; Guo, Hui4; Zhi, Guorui3; Xiong, Shengchun2; Li, Jun3; Sheng, Guoying2; Fu, Jiamo2,3
发表期刊ATMOSPHERIC RESEARCH
ISSN0169-8095
2009-06-01
卷号92期号:4页码:434-442
关键词Organic Carbon Elemental Carbon Fine Particle (Pm2.5) Seasonal Variation Shanghai
产权排序Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev;Shanghai Univ, Inst Environm Pollut & Hlth, Sch Environm & Chem Engn;Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem;Great Wall Drilling Project Co Ltd, Mud Logging Co
通讯作者Chen, YJ, Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Shandong, Peoples R China
作者部门污染过程与控制实验室
英文摘要Shanghai is the largest industrial and commercial city in China, and its air quality has been deteriorating for several decades. However, there are scarce researches on the level and seasonal variation of fine particle (PM2.5) as well as the carbonaceous fractions when compared with other cities in China and around the world. In the present paper, abundance and seasonal characteristics of PM2.5, organic carbon (OC) and elemental carbon (EC) were studied at urban and suburban sites in Shanghai during four season-representative months in 2005-2006 year. PM2.5 samples were collected with high-vol samplers and analyzed for OC and EC using thermal-optical transmittance (TOT) protocol. Results showed that the annual average PM2.5 concentrations were 90.3-95.5 mu g/m(3) at both sites, while OC and EC were 14.7-17.4 mu g/m(3) and 2.8-3.0 mu g/m(3), respectively, with the OC/EC ratios of 5.0-5.6. The carbonaceous levels ranked by the order of Beijing > Guangzhou > Shanghai > Hong Kong. The carbonaceous aerosol accounted for similar to 30% of the PM2.5 mass. On seasonal average, the highest OC and EC levels occurred during fall, and they were higher than the values in summer by a factor of 2. Strong correlations (r = 0.79-0.93) between OC and EC were found in the four seasons. Average level of secondary organic carbon (SOC) was 5.7-7.2 mu g/m(3), accounting for similar to 30% of the total OC. Strong seasonal variation was observed for SOC with the highest value during fall, which was about two times the annual average. (C) 2009 Elsevier B.V. All rights reserved.
文章类型Article
资助机构Department of Science and Technology of Shandong Province [2006GG2205033, 2007GG2QT06018]; National Natural Scientific Foundation of China [40605033, 40503012]; Shanghai Leading Academic Disciplines [S30109]
收录类别SCI
语种英语
关键词[WOS]AIR-POLLUTION SOURCES ; RIVER DELTA REGION ; BLACK CARBON ; HONG-KONG ; CHEMICAL-COMPOSITION ; PARTICLE SAMPLER ; SOURCE PROFILES ; AEROSOL ; EMISSIONS ; MATTER
研究领域[WOS]Meteorology & Atmospheric Sciences
WOS记录号WOS:000266530400007
引用统计
被引频次:194[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/3522
专题中国科学院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Shandong, Peoples R China
2.Shanghai Univ, Inst Environm Pollut & Hlth, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
3.Chinese Acad Sci, State Key Lab Organ Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China
4.Great Wall Drilling Project Co Ltd, Mud Logging Co, Panjin 124010, Liaoning, Peoples R China
推荐引用方式
GB/T 7714
Feng, Yanli,Chen, Yingjun,Guo, Hui,et al. Characteristics of organic and elemental carbon in PM2.5 samples in Shanghai, China[J]. ATMOSPHERIC RESEARCH,2009,92(4):434-442.
APA Feng, Yanli.,Chen, Yingjun.,Guo, Hui.,Zhi, Guorui.,Xiong, Shengchun.,...&Fu, Jiamo.(2009).Characteristics of organic and elemental carbon in PM2.5 samples in Shanghai, China.ATMOSPHERIC RESEARCH,92(4),434-442.
MLA Feng, Yanli,et al."Characteristics of organic and elemental carbon in PM2.5 samples in Shanghai, China".ATMOSPHERIC RESEARCH 92.4(2009):434-442.
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