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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
2009-06-01
发表期刊ATMOSPHERIC RESEARCH
ISSN0169-8095
卷号92期号:4页码:434-442
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
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.
通讯作者Chen, YJ, Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Shandong, Peoples R China
关键词Organic Carbon Elemental Carbon Fine Particle (Pm2.5) Seasonal Variation Shanghai
作者部门污染过程与控制实验室
学科领域Meteorology & Atmospheric Sciences
项目资助者Department of Science and Technology of Shandong Province [2006GG2205033, 2007GG2QT06018]; National Natural Scientific Foundation of China [40605033, 40503012]; Shanghai Leading Academic Disciplines [S30109]
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收录类别SCI
关键词[WOS]AIR-POLLUTION SOURCES ; RIVER DELTA REGION ; BLACK CARBON ; HONG-KONG ; CHEMICAL-COMPOSITION ; PARTICLE SAMPLER ; SOURCE PROFILES ; AEROSOL ; EMISSIONS ; MATTER
文章类型Article
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS记录号WOS:000266530400007
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被引频次:130[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/133337/3523
专题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
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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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