Enhanced aqueous-phase formation of secondary organic aerosols due to the regional biomass burning over North China Plain

doi:10.1016/j.envpol.2019.113401

CORC > 地球环境研究所 > 中国科学院地球环境研究所 > 粉尘与环境研究室

	Enhanced aqueous-phase formation of secondary organic aerosols due to the regional biomass burning over North China Plain
	Wang, Jiayuan 2,7; Wang, Gehui 2,3,4; Wu, Can 2,3; Li, Jianjun 2; Cao, Cong 2; Li, Jin 2; Xie, Yuning 3; Ge, Shuangshuang 3; Chen, Jianmin 4; Zeng, Limin 5
刊名	ENVIRONMENTAL POLLUTION
	2020
卷号	256 页码:8
关键词	Dicarboxylic acids Aging process Aerosol liquid water content Aqueous-phase formation Stable carbon isotopic composition
ISSN号	0269-7491
DOI	10.1016/j.envpol.2019.113401
通讯作者	Wang, Gehui(ghwang@geo.ecnu.edu.cn)
英文摘要	This study reveals the impact of biomass burning (BB) on secondary organic aerosols (SOA) formation in the North China Plain (NCP). Filter samples were analyzed for secondary inorganic aerosols (SIA), oxalic acid (C-2) and related aqueous-phase SOA compounds (aqSOA), stable carbon isotope composition of C-2(delta C-13(C-2)) and aerosol liquid water content (ALWC). Based on the PM2.5 loadings, BB tracer concentrations, wildfire spots and air-mass back trajectories, we distinguished two episodes from the whole campaign, Episode I and Episode II, which were characteristic of regional and local BB, respectively. The abundances of PM2.5 and organic matter in the two events were comparable, but concentrations and fractions of SIA, aqSOA during Episode I were much higher than those during Episode II, along with heavier delta C-13(C-2), suggesting an enhanced aqSOA formation in the earlier period. We found that the enhancement of aqSOA formation during Episode I was caused by an increased ALWC, which was mainly driven by SIA during the regional BB event. Our work showed that intensive burning of crop residue in East Asia can sharply enhance aqSOA production on a large scale, which may have a significant impact on the regional climate and human health. (C) 2019 Elsevier Ltd. All rights reserved.
资助项目	National Key R&D Program of China[2017YFC0210000] ; National Natural Science Foundation of China[41773117] ; National Natural Science Funds for Distinguished Young Scholars of China[41325014]
WOS关键词	CARBON ISOTOPIC COMPOSITION ; SOLUBLE DICARBOXYLIC-ACIDS ; OH RADICAL OXIDATION ; LIQUID WATER DRIVEN ; OXALIC-ACID ; MOLECULAR-DISTRIBUTION ; ATMOSPHERIC AEROSOLS ; KETOCARBOXYLIC ACIDS ; OXOCARBOXYLIC ACIDS ; ALPHA-DICARBONYLS
WOS研究方向	Environmental Sciences & Ecology
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000504757200060
资助机构	National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Funds for Distinguished Young Scholars of China
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/13110]
专题	地球环境研究所_粉尘与环境研究室
通讯作者	Wang, Gehui
作者单位	1.Hokkaido Univ, Inst Low Temp Sci, Sapporo, Hokkaido 0600891, Japan 2.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Key Lab Aerosol Chem & Phys, Inst Earth Environm, Xian 710061, Shaanxi, Peoples R China 3.East China Normal Univ, Key Lab Geophys Informat Syst, Minist Educ, Sch Geog Sci, Shanghai 210041, Peoples R China 4.Inst Ecochongming, 3663 N Zhongshan Rd, Shanghai 200062, Peoples R China 5.Peking Univ, BIC ESAT & SKL ESPC, Coll Environm Sci & Engn, Beijing, Peoples R China 6.Chinese Acad Sci, Inst Atmospher Phys, Beijing, Peoples R China 7.Univ Massachusetts, Dept Environm Hlth Sci, Amherst, MA 01002 USA
推荐引用方式 GB/T 7714	Wang, Jiayuan,Wang, Gehui,Wu, Can,et al. Enhanced aqueous-phase formation of secondary organic aerosols due to the regional biomass burning over North China Plain[J]. ENVIRONMENTAL POLLUTION,2020,256:8.
APA	Wang, Jiayuan.,Wang, Gehui.,Wu, Can.,Li, Jianjun.,Cao, Cong.,...&Kawamura, Kimitaka.(2020).Enhanced aqueous-phase formation of secondary organic aerosols due to the regional biomass burning over North China Plain.ENVIRONMENTAL POLLUTION,256,8.
MLA	Wang, Jiayuan,et al."Enhanced aqueous-phase formation of secondary organic aerosols due to the regional biomass burning over North China Plain".ENVIRONMENTAL POLLUTION 256(2020):8.