Non-polar organic compounds in marine aerosols over the northern South China Sea: Influence of continental outflow
Zhao, Yan1; Zhang, Yingyi1; Fu, Pingqing2; Ho, Steven Sai Hang3,4; Ho, Kin Fai5; Liu, Fobang6; Zou, Shichun7; Wang, Shan1; Lai, Senchao1,6
2016-06-01
发表期刊CHEMOSPHERE
卷号153期号:2016页码:332-339
文章类型Article
摘要Filter samples of total suspended particle (TSP) collected during a cruise campaign over the northern South China Sea (SCS) from September to October 2013 were analyzed for non-polar organic compounds (NPOCs) as well as organic carbon (OC), elemental carbon (EC) and water-soluble ions. A total of 115 NPOCs species in groups of n-alkanes, polycyclic aromatic hydrocarbons (PAHs), iso-/antiso-alkanes, hopanes, steranes, methylalkanes, branched alkanes, cycloalkanes, alkenes and phthalates were detected. The characteristics of NPOCs in marine TSP samples were investigated to understand the sources from the Asian continent and other regions. The concentrations of total NPOCs ranged from 19.8 to 288.2 ng/m(3) with an average of 87.9 ng/m(3), which accounted for 0.8-1.7% (average 1.0%) of organic matter (OM). n-Alkanes was the predominant group, accounting for 43.1-79.5%, followed by PAHs (5.5-44.4%) and hopanes (1.6-11.4%). We found that primary combustion (biomass burning/fossil fuel combustion) was the dominant source for the majority of NPOCs (89.1%). Biomass burning in southern/southeastern China via long-range transport was proposed to be a major contributor of NPOCs in marine aerosols over the northern SCS, suggested by the significant correlations between nss-K+ and NPOCs groups as well as the analysis of air mass back-trajectory and fire spots. For the samples with strong continental influence, the strong enhancement in concentrations of n-alkanes, PAHs, hopanes and steranes were attributed to fossil fuel (coal/petroleum) combustion. In addition, terrestrial plants waxes were another contributor to NPOCs. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Northern South China Sea N-alkanes Pahs Hopanes Biomass Burning Long-range Transport
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.chemosphere.2016.03.069
关键词[WOS]ATMOSPHERIC PARTICULATE MATTER ; MOLECULAR MARKER ; PACIFIC-OCEAN ; HONG-KONG ; TRACERS ; PAHS ; IDENTIFICATION ; TROPOSPHERE ; COMBUSTION ; DEPOSITION
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000375628800039
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5786
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.S China Univ Technol, Sch Environm & Energy, Guangdong Prov Key Lab Atmospher Environm & Pollu, Guangzhou 510641, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
4.Univ Nevada, Desert Res Inst, Div Atmospher Sci, 2215 Raggio Pathway, Reno, NV 89506 USA
5.Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Shatin, Hong Kong, Peoples R China
6.Max Planck Inst Chem, Multiphase Chem Dept, Mainz, Germany
7.Sun Yat Sen Univ, Sch Marine Sci, Guangzhou 510275, Guangdong, Peoples R China
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Zhao, Yan,Zhang, Yingyi,Fu, Pingqing,et al. Non-polar organic compounds in marine aerosols over the northern South China Sea: Influence of continental outflow[J]. CHEMOSPHERE,2016,153(2016):332-339.
APA Zhao, Yan.,Zhang, Yingyi.,Fu, Pingqing.,Ho, Steven Sai Hang.,Ho, Kin Fai.,...&Lai, Senchao.(2016).Non-polar organic compounds in marine aerosols over the northern South China Sea: Influence of continental outflow.CHEMOSPHERE,153(2016),332-339.
MLA Zhao, Yan,et al."Non-polar organic compounds in marine aerosols over the northern South China Sea: Influence of continental outflow".CHEMOSPHERE 153.2016(2016):332-339.
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