Institutional Repository of Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences (KLCEP)
| Characterization of carbonaceous aerosols over the East China Sea: The impact of the East Asian continental outflow | |
| Wang, Fengwen1; Guo, Zhigang1; Lin, Tian2; Hu, Limin3; Chen, Yingjun4; Zhu, Yifang5; Guo, ZG (reprint author), Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai 200433, Peoples R China. guozgg@fudan.edu.cn | |
| 发表期刊 | ATMOSPHERIC ENVIRONMENT
 |
| ISSN | 1352-2310 |
| 2015-06-01 | |
| 卷号 | 110页码:163-173 |
| 关键词 | Carbonaceous Aerosols Concentration Size Distribution Sources East Asian Continental Outflow East China Sea |
| DOI | 10.1016/j.atmosenv.2015.03.059 |
| 产权排序 | [Wang, Fengwen; Guo, Zhigang] Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai 200433, Peoples R China; [Lin, Tian] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China; [Hu, Limin] State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China; [Chen, Yingjun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China; [Zhu, Yifang] Univ Calif Los Angeles, Dept Environm Hlth Sci, Jonathan & Karin Fielding Sch Publ Hlth, Los Angeles, CA 90095 USA |
| 作者部门 | 中科院海岸带环境过程与生态修复重点实验室 |
| 英文摘要 | Seventy-five paired PM2.5 (aerodynamic diameter less than 2.5 mu m) and TSP (total suspended particle) samples collected from a pristine island in the East China Sea (ECS) between October 2011 and August 2012 were analyzed for organic carbon (OC), elemental carbon (EC), and n-alkanes. The island lies in the pathway of continental outflow from Mainland China to the northwest Pacific Ocean driven by the East Asian Monsoon. The concentrations of OC, EC (in mu g/m(3)), and n-alkanes (in ng/m(3)) were highest in winter (means: 4.7, 1.3, 140.1, respectively) and lowest in summer (means: 1.1, 0.3, 17.0, respectively). PM2.5 contained approximately 88% of the OC, 80% of the EC, and 61% of the n-alkanes in TSP. Petroleum residue was the dominant contributor to the n-alkanes. C-12-C-22 n-alkanes with strong even-to-odd predominance observed in winter were attributed to the microbial contribution from sea spray aerosol (SSA) driven by the higher wind speed. There was a higher secondary organic carbon (SOC)/OC ratio in warm seasons (summer and fall) than that in cold seasons (spring and winter). The dominance of primary organic carbon (POC) and EC in cold seasons was possibly mainly due to the influence of the East Asian continental outflow. Three episodes of high concentrations of carbonaceous aerosols were observed, and we focused on the impact of these pollutants from East Asia on the air quality over the ECS. Carbonaceous pollutants were more concentrated in PM2.5 during the fall episode triggered by biomass burning in East China. The winter haze associated with intensive indoor heating in North China brought substantial carbonaceous pollutants, with a minor influence on their size distribution. The dust episode in spring was related to coarse particles (i.e., TSP PM2.5), yielding a distinctly different size distribution. (C) 2015 Elsevier Ltd. All rights reserved.; Seventy-five paired PM2.5 (aerodynamic diameter less than 2.5 mu m) and TSP (total suspended particle) samples collected from a pristine island in the East China Sea (ECS) between October 2011 and August 2012 were analyzed for organic carbon (OC), elemental carbon (EC), and n-alkanes. The island lies in the pathway of continental outflow from Mainland China to the northwest Pacific Ocean driven by the East Asian Monsoon. The concentrations of OC, EC (in mu g/m(3)), and n-alkanes (in ng/m(3)) were highest in winter (means: 4.7, 1.3, 140.1, respectively) and lowest in summer (means: 1.1, 0.3, 17.0, respectively). PM2.5 contained approximately 88% of the OC, 80% of the EC, and 61% of the n-alkanes in TSP. Petroleum residue was the dominant contributor to the n-alkanes. C-12-C-22 n-alkanes with strong even-to-odd predominance observed in winter were attributed to the microbial contribution from sea spray aerosol (SSA) driven by the higher wind speed. There was a higher secondary organic carbon (SOC)/OC ratio in warm seasons (summer and fall) than that in cold seasons (spring and winter). The dominance of primary organic carbon (POC) and EC in cold seasons was possibly mainly due to the influence of the East Asian continental outflow. Three episodes of high concentrations of carbonaceous aerosols were observed, and we focused on the impact of these pollutants from East Asia on the air quality over the ECS. Carbonaceous pollutants were more concentrated in PM2.5 during the fall episode triggered by biomass burning in East China. The winter haze associated with intensive indoor heating in North China brought substantial carbonaceous pollutants, with a minor influence on their size distribution. The dust episode in spring was related to coarse particles (i.e., TSP PM2.5), yielding a distinctly different size distribution. (C) 2015 Elsevier Ltd. All rights reserved. |
| 文章类型 | Article |
| 资助机构 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | POLYCYCLIC AROMATIC-HYDROCARBONS ; ORGANIC-MATTER ; ELEMENTAL CARBON ; BLACK CARBON ; SEASONAL-VARIATIONS ; TRACE-ELEMENTS ; AIR-QUALITY ; ACE-ASIA ; PM2.5 ; URBAN |
| 研究领域[WOS] | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:000354591500018 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/8617 |
| 专题 | 中国科学院海岸带环境过程与生态修复重点实验室 |
| 通讯作者 | Guo, ZG (reprint author), Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai 200433, Peoples R China. guozgg@fudan.edu.cn |
| 作者单位 | 1.Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut & Prev, Shanghai 200433, Peoples R China 2.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China 3.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China 4.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China 5.Univ Calif Los Angeles, Dept Environm Hlth Sci, Jonathan & Karin Fielding Sch Publ Hlth, Los Angeles, CA 90095 USA |
| 推荐引用方式 GB/T 7714 | Wang, Fengwen,Guo, Zhigang,Lin, Tian,et al. Characterization of carbonaceous aerosols over the East China Sea: The impact of the East Asian continental outflow[J]. ATMOSPHERIC ENVIRONMENT,2015,110:163-173. |
| APA | Wang, Fengwen.,Guo, Zhigang.,Lin, Tian.,Hu, Limin.,Chen, Yingjun.,...&Guo, ZG .(2015).Characterization of carbonaceous aerosols over the East China Sea: The impact of the East Asian continental outflow.ATMOSPHERIC ENVIRONMENT,110,163-173. |
| MLA | Wang, Fengwen,et al."Characterization of carbonaceous aerosols over the East China Sea: The impact of the East Asian continental outflow".ATMOSPHERIC ENVIRONMENT 110(2015):163-173. |
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