Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter

doi:10.5194/acp-19-10319-2019

IEECAS OpenIR > 粉尘与环境研究室

	Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter
	Duan, Jing 1,2,3,4; Huang, Ru-Jin 1,2,3; Lin, Chunshui 1,2,3,5,6; Dai, Wenting 1,2,3; Wang, Meng 1,2,3,4; Gu, Yifang 1,2,3,4; Wang, Ying 1,2,3,4; Zhong, Haobin 1,2,3,4; Zheng, Yan 7; Ni, Haiyan 1,2,3,4,8; Dusek, Uli 8; Chen, Yang 9; Li, Yongjie 10; Chen, Qi 7; Worsnop, Douglas R.11; O'Dowd, Colin D.; Cao, Junji 1,2,3
通讯作者	Huang, Ru-Jin(rujin.huang@ieecas.cn)
	2019-08-14
发表期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN	1680-7316
卷号	19 期号:15 页码:10319-10334
摘要	To investigate the sources and evolution of haze pollution in different seasons, long-term (from 15 August to 4 December 2015) variations in chemical composition of PM1 were characterized in Beijing, China. Positive matrix factorization (PMF) analysis with a multi-linear engine (ME-2) resolved three primary and two secondary organic aerosol (OA) sources, including hydrocarbon-like OA (HOA), cooking OA (COA), coal combustion OA (CCOA), local secondary OA (LSOA) and regional SOA (RSOA). The sulfate source region analysis implies that sulfate was mainly transported at a large regional scale in late summer, while local and/or nearby sulfate formation may be more important in winter. Meanwhile, distinctly different correlations between sulfate and RSOA or LSOA (i.e., better correlation with RSOA in late summer, similar correlations with RSOA and LSOA in autumn, and close correlation with LSOA in early winter) confirmed the regional characteristic of RSOA and local property of LSOA. Secondary aerosol species including secondary inorganic aerosol (SIA - sulfate, nitrate, and ammonium) and SOA (LSOA and RSOA) dominated PM1 during all three seasons. In particular, SOA contributed 46% to total PM1 (with 31% as RSOA) in late summer, whereas SIA contributed 41% and 45% to total PM1 in autumn and early winter, respectively. Enhanced contributions of secondary species (66 %-76% of PM1) were also observed in pollution episodes during all three seasons, further emphasizing the importance of secondary formation processes in haze pollution in Beijing. Combining chemical composition and meteorological data, our analyses suggest that both photochemical oxidation and aqueous-phase processing played important roles in SOA formation during all three seasons, while for sulfate formation, gas-phase photochemical oxidation was the major pathway in late summer, aqueous-phase reactions were more responsible during early winter and both processes had contributions during autumn.
DOI	10.5194/acp-19-10319-2019
关键词[WOS]	POSITIVE MATRIX FACTORIZATION ; RESOLVED CHEMICAL-CHARACTERIZATION ; SOURCE APPORTIONMENT ; ORGANIC AEROSOL ; HIGH-RESOLUTION ; SEASONAL-VARIATIONS ; SPECIATION MONITOR ; FINE PARTICLES ; HAZE POLLUTION ; AIR-POLLUTION
收录类别	SCI ; SCI
语种	英语
资助项目	National Natural Science Foundation of China (NSFC)[91644219] ; National Natural Science Foundation of China (NSFC)[41877408] ; National Key Research and Development Program of China[2017YFC0212701] ; Cross Innovative Team fund from SKLLQG[SKL-LQGTD1801]
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
项目资助者	National Natural Science Foundation of China (NSFC) ; National Key Research and Development Program of China ; Cross Innovative Team fund from SKLLQG
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000481687100003
出版者	COPERNICUS GESELLSCHAFT MBH
引用统计	被引频次：41[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/13596
专题	粉尘与环境研究室第四纪科学与全球变化卓越创新中心
通讯作者	Huang, Ru-Jin
作者单位	1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Shaanxi, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, KLACP, Xian 710061, Shaanxi, Peoples R China 3.Chinese Acad Sci, CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Shaanxi, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Natl Univ Ireland Galway, Sch Phys, Univ Rd, Galway, Ireland 6.Natl Univ Ireland Galway, Ctr Climate & Air Pollut Studies, Ryan Inst, Univ Rd, Galway, Ireland 7.Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China 8.Univ Groningen, CIO, ESRIG, Groningen, Netherlands 9.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 10.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Taipa, Macau, Peoples R China 11.Aerodyne Res Inc, Billerica, MA USA
推荐引用方式 GB/T 7714	Duan, Jing,Huang, Ru-Jin,Lin, Chunshui,et al. Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(15):10319-10334.
APA	Duan, Jing.,Huang, Ru-Jin.,Lin, Chunshui.,Dai, Wenting.,Wang, Meng.,...&Cao, Junji.(2019).Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(15),10319-10334.
MLA	Duan, Jing,et al."Distinctions in source regions and formation mechanisms of secondary aerosol in Beijing from summer to winter".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.15(2019):10319-10334.