Molecular distributions and compound-specific stable carbon isotopic compositions of lipids in wintertime aerosols from Beijing

doi:10.1038/srep27481

	Molecular distributions and compound-specific stable carbon isotopic compositions of lipids in wintertime aerosols from Beijing
	Fu, PQ ; Sun, YL (Sun, Yele)2; Ren, LJ (Ren, Lujie)2,3; Fu, PQ (Fu, Pingqing)2,4; He, Y (He, Yue)5; Hou, JZ (Hou, Juzhi)5; Chen, J (Chen, Jing)6; Pavuluri, CM (Pavuluri, Chandra Mouli)1; Wang, ZF (Wang, Zifa)2
刊名	SCIENTIFIC REPORTS
	2016
卷号	6 期号:0 页码:27481
关键词	Fine Organic Aerosol Polycyclic Aromatic-hydrocarbons Western North Pacific N-alkanes Fatty-acids Atmospheric Transport Marine Aerosols Harmattan Aerosols United-states China
DOI	10.1038/srep27481
文献子类	Article
英文摘要	Molecular distributions and stable carbon isotopic compositions (delta C-13) of n-alkanes, fatty acids and n-alcohols were investigated in urban aerosols from Beijing, northern China to better understand the sources and long-range atmospheric transport of terrestrial organic matter during polluted and clear days in winter. n-Alkanes (C-19-C-36), fatty acids (C-8-C-32) and n-alcohols (C-16-C-32) detected in Beijing aerosols are characterized by the predominance of C-23, C-16 and C-28, respectively. Carbon preference index (CPI) values of n-alkanes, the ratios of the sum of odd-numbered n-alkanes to the sum of even-numbered n-alkanes, are close to 1, indicating a heavy influence of fossil fuel combustion. Relatively higher ratios of C(18:0+16:0)/C(18:n+16:1) (fatty acids) on clear days than polluted days indicate that long-distance transport and/or photochemical aging are more significant during clear days. delta C-13 values of n-alkanes and low molecular weight fatty acids (C-16:0, C-18:0) ranged from -34.1 to -24.7% and -26.9 to -24.6%, respectively, which are generally heavier on polluted days than those on clear days. Such a wide range suggests that atmospheric lipids in Beijing aerosols originate from multiple sources and encounter complicated atmospheric processes during long-range transport in North China.
学科主题	自然地理学
语种	英语
WOS记录号	WOS:000377463200002
内容类型	期刊论文
源URL	[http://ir.itpcas.ac.cn/handle/131C11/7679]
专题	青藏高原研究所_图书馆
通讯作者	Fu, PQ
作者单位	1.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China 2.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing 210044, Jiangsu, Peoples R China 5.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China 6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Fu, PQ,Sun, YL ,Ren, LJ ,et al. Molecular distributions and compound-specific stable carbon isotopic compositions of lipids in wintertime aerosols from Beijing[J]. SCIENTIFIC REPORTS,2016,6(0):27481.
APA	Fu, PQ.,Sun, YL .,Ren, LJ .,Fu, PQ .,He, Y .,...&Wang, ZF .(2016).Molecular distributions and compound-specific stable carbon isotopic compositions of lipids in wintertime aerosols from Beijing.SCIENTIFIC REPORTS,6(0),27481.
MLA	Fu, PQ,et al."Molecular distributions and compound-specific stable carbon isotopic compositions of lipids in wintertime aerosols from Beijing".SCIENTIFIC REPORTS 6.0(2016):27481.