Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing   during CAREBeijing-2006

doi:10.1016/j.atmosres.2017.06.013

CORC > 北京大学 > 环境科学与工程学院

	Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing during CAREBeijing-2006
	Wang, Haichao ; Lu, Keding ; Tan, Zhaofeng ; Sun, Kang ; Li, Xin ; Hu, Min ; Shao, Min ; Zeng, Limin ; Zhu, Tong ; Zhang, Yuanhang
刊名	ATMOSPHERIC RESEARCH
	2017
关键词	ATMOSPHERIC CHEMISTRY MECHANISM VOLATILE ORGANIC-COMPOUNDS GAS-PHASE REACTIONS NITRYL CHLORIDE REACTIVE UPTAKE BOUNDARY-LAYER HETEROGENEOUS HYDROLYSIS DINITROGEN PENTOXIDE NIGHTTIME CHEMISTRY SOUTHERN CHINA
DOI	10.1016/j.atmosres.2017.06.013
英文摘要	A chemical box model was used to study nitrate radical (NO3), dinitrogen pentoxide (N2O5) and nitryl chloride (C1NO(2)) in a rural site during the Campaign of Air Quality Research in Beijing 2006 (CAREBeijing-2006). The model was based on regional atmospheric chemistry mechanism version 2 (RACM(2)) with the heterogeneous uptake of N2O5 and the simplified chloride radical (C1) chemistry mechanism. A high production rate of NO3 with a mean value of 0.8 ppbv/h and low mixing ratios of NO3 and N2O5 (peak values of 17 pptv and 480 pptv, respectively) existed in this site. Budget analysis showed that NO emission suppressed the NO3 chemistry at the surface layer, the reaction of NO3 with VOCs made a similar contribution to NO3 loss as N2O5 heterogeneous uptake. The NO3 chemistry was predominantly controlled by isoprene, and NO3 oxidation produced organic nitrate with a mean value of 0.06 ppbv/h during nighttime. The organic nitrate production initiated by NO3 was equal to that initiated by OH, implying the importance of nighttime chemistry for secondary organic aerosol (SOA) formation. We confirmed that the N2O5 heterogeneous reaction accounted for nighttime particle NO3 enhancement, with a large day to day variability, and made less of a contribution to NOx loss compared to that of OH reacting with NO2. Additionally, abundant C1NO(2), up to 5.0 ppbv, was formed by N2O5 heterogeneous uptake. C1NO(2) was sustained at a high level until noon in spite of the gradually increasing photolysis of C1NO(2) after sunrise. Chlorine activation caused by N2O5 heterogeneous uptake increased primary ROx formation by 5% and accounted for 8% of the net ozone production enhancement in the morning.; National Natural Science Foundation of China [41375124, 21522701, 91544225, 41421064]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB05010500]; SCI(E); ARTICLE; 97-107; 196
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/470433]
专题	环境科学与工程学院
推荐引用方式 GB/T 7714	Wang, Haichao,Lu, Keding,Tan, Zhaofeng,et al. Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing during CAREBeijing-2006[J]. ATMOSPHERIC RESEARCH,2017.
APA	Wang, Haichao.,Lu, Keding.,Tan, Zhaofeng.,Sun, Kang.,Li, Xin.,...&Zhang, Yuanhang.(2017).Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing during CAREBeijing-2006.ATMOSPHERIC RESEARCH.
MLA	Wang, Haichao,et al."Model simulation of NO3, N2O5 and ClNO2 at a rural site in Beijing during CAREBeijing-2006".ATMOSPHERIC RESEARCH (2017).