气候变化领域集成服务门户(CCPortal): Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions

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DOI	10.5194/acp-23-203-2023
	Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions
	Li, Zijun; Buchholz, Angela; Barreira, Luis M. F.; Ylisirnio, Arttu; Hao, Liqing; Pullinen, Iida; Schobesberger, Siegfried; Virtanen, Annele
发表日期	2023
ISSN	1680-7316
EISSN	1680-7324
起始页码	203
结束页码	220
卷号	23 期号:1 页码:18
英文摘要	Many recent secondary organic aerosol (SOA) studies mainly focus on biogenic SOA particles formed under low NOx conditions and thus are applicable to pristine environments with minor anthropogenic influence. Although interactions between biogenic volatile organic compounds and NOx are important in, for instance, suburban areas, there is still a lack of knowledge about the volatility and processes controlling the evaporation of biogenic SOA particles formed in the presence of high concentrations of NOx. Here we provide detailed insights into the isothermal evaporation of alpha-pinene SOA particles that were formed under low NOx and high NOx conditions to investigate the evaporation process and the evolution of particle composition during the evaporation in more detail. We coupled Filter Inlet for Gases and AEROsols-Chemical Ionization Mass Spectrometer (FIGAERO-CIMS) measurements of the molecular composition and volatility of the particle phase with isothermal evaporation experiments conducted under a range of relative humidity (RH) conditions from low RH (< 7 % RH) to high RH (80 % RH). Very similar changes were observed in particle volatility at any set RH during isothermal evaporation for the alpha-pinene SOA particles formed under low NOx and high NOx conditions. However, there were distinct differences in the initial composition of the two SOA types, possibly due to the influence of NO(x )on the RO(2 )chemistry during SOA formation. Such compositional differences consequently impacted the primary type of aqueous-phase processes in each type of SOA particle in the presence of particulate water.
学科领域	Environmental Sciences; Meteorology & Atmospheric Sciences
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000908052000001
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/273282
作者单位	University of Eastern Finland; Finnish Meteorological Institute
推荐引用方式 GB/T 7714	Li, Zijun,Buchholz, Angela,Barreira, Luis M. F.,et al. Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions[J],2023,23(1):18.
APA	Li, Zijun.,Buchholz, Angela.,Barreira, Luis M. F..,Ylisirnio, Arttu.,Hao, Liqing.,...&Virtanen, Annele.(2023).Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions.ATMOSPHERIC CHEMISTRY AND PHYSICS,23(1),18.
MLA	Li, Zijun,et al."Isothermal evaporation of alpha-pinene secondary organic aerosol particles formed under low NOx and high NOx conditions".ATMOSPHERIC CHEMISTRY AND PHYSICS 23.1(2023):18.