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Primary and Secondary Organic Nitrate in Northwest China: A Case Study

文献类型：期刊论文

作者Lin, Chunshui2; Huang, Ru-Jin1,2; Duan, Jing2; Zhong, Haobin2; Xu, Wei2
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
出版日期2021-11-09
卷号8期号:11页码:947-953
ISSN号2328-8930
DOI10.1021/acs.estlett.1c00692
通讯作者Huang, Ru-Jin(rujin.huang@ieecas.cn)
英文摘要Particle-bound organic nitrate is ubiquitous in the atmosphere, but its primary emission and secondary formation processes are poorly understood and are, therefore, generally ignored in models. In this study, based on the ambient measurements and a series of combustion experiments, we found that the nitrate functionality from organic nitrate (primary + secondary) accounted for 20%-53% of the total NO3 signal measured with a long-time-of-flight (LToF) soot particle aerosol mass spectrometer (SP-AMS) in northwestern China in mid-November 2020. In particular, secondary organic nitrate accounted for 17% and 36% of the measured NO3 during the haze and reference periods, respectively. It was further estimated that secondary organic nitrate, on average, accounted for 46% of the total organic matter (or 18% of PM2.5) during the haze period, representing a significant portion of the secondary organic aerosol, while primary organic nitrate, mostly from biomass burning, was estimated to account for 8%-9% of the total organic matter (3%-5% of PM2.5). Moreover, we showed that photochemical (OH-initiated + elevated NO2) formation of organic nitrate was probably a more important pathway than the nighttime chemistry (NO3 initiated), which is in great contrast to that in European areas where nighttime chemistry was found to be the dominant pathway.
WOS关键词AEROSOL MASS-SPECTROMETER ; POLYCYCLIC AROMATIC-HYDROCARBONS ; SOURCE APPORTIONMENT ; SUBMICRON PARTICLES ; EMISSIONS ; ISOPRENE ; INSIGHTS ; PAHS ; SOFI
资助项目National Key Research and Development Program of China[2017YFC0212701] ; National Natural Science Foundation of China (NSFC)[41925015] ; National Natural Science Foundation of China (NSFC)[4210072504] ; National Natural Science Foundation of China (NSFC)[41877408] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB40000000] ; Chinese Academy of Sciences[ZDBS-LY-DQC001] ; Institute of Earth Environment[E051QB2837] ; Cross Innovative Team Fund from the State Key Laboratory of Loess and Quaternary Geology[SKLLQGTD1801]
WOS研究方向Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000718186900004
出版者AMER CHEMICAL SOC
资助机构National Key Research and Development Program of China ; National Natural Science Foundation of China (NSFC) ; Strategic Priority Research Program of Chinese Academy of Sciences ; Chinese Academy of Sciences ; Institute of Earth Environment ; Cross Innovative Team Fund from the State Key Laboratory of Loess and Quaternary Geology
源URL[http://ir.ieecas.cn/handle/361006/17220]  
专题地球环境研究所_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.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys,State Key Lab Loess &, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
推荐引用方式
GB/T 7714		 Lin, Chunshui,Huang, Ru-Jin,Duan, Jing,et al. Primary and Secondary Organic Nitrate in Northwest China: A Case Study[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS,2021,8(11):947-953.
APA Lin, Chunshui,Huang, Ru-Jin,Duan, Jing,Zhong, Haobin,&Xu, Wei.(2021).Primary and Secondary Organic Nitrate in Northwest China: A Case Study.ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS,8(11),947-953.
MLA Lin, Chunshui,et al."Primary and Secondary Organic Nitrate in Northwest China: A Case Study".ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 8.11(2021):947-953.

入库方式： OAI收割

来源：地球环境研究所

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