气候变化领域集成服务门户(CCPortal): Measurement report: Atmospheric new particle formation in a coastal agricultural site explained with binPMF analysis of nitrate CI-APi-TOF spectra

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DOI	10.5194/acp-22-8097-2022
	Measurement report: Atmospheric new particle formation in a coastal agricultural site explained with binPMF analysis of nitrate CI-APi-TOF spectra
	Olin, Miska; Okuljar, Magdalena; Rissanen, Matti P.; Kalliokoski, Joni; Shen, Jiali; Dada, Lubna; Lampimaki, Markus; Wu, Yusheng; Lohila, Annalea; Duplissy, Jonathan; Sipila, Mikko; Petaja, Tuukka; Kulmala, Markku; Dal Maso, Miikka
发表日期	2022
ISSN	1680-7316
EISSN	1680-7324
起始页码	8097
结束页码	8115
卷号	22 期号:12 页码:19
英文摘要	The occurrence of new particle formation (NPF) events detected in a coastal agricultural site, at Qvidja, in Southwestern Finland, was investigated using the data measured with a nitrate ion-based chemicalionization atmospheric-pressure-interface time-of-flight (CI-APi-TOF) mass spectrometer. The binned positive matrix factorization method (binPMF) was applied to the measured spectra. It resulted in eight factors describing the time series of ambient gas and cluster composition at Qvidja during spring 2019. The most interesting factors related to the observed NPF events were the two factors with the highest mass-to-charge ratios, numbered 7 and 8, both having profiles with patterns of highly oxygenated organic molecules with one nitrogen atom. It was observed that factor 7 had elevated intensities during the NPF events. A variable with an even better connection to the observed NPF events is f(F7), which denotes the fraction of the total spectra within the studied mass-to-charge ratio range between 169 and 450Th being in a form of factor 7. Values of f(F7) higher than 0.50 +/- 0.05 were observed during the NPF events, of which durations also correlated with the duration of f(F7) exceeding this critical value. It was also observed that factor 8 acts like a precursor for factor 7 with solar radiation and that the formation of factor 8 is associated with ozone levels.
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:000814215200001
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/273200
作者单位	Tampere University; University of Helsinki; Swiss Federal Institutes of Technology Domain; Paul Scherrer Institute; Finnish Meteorological Institute; University of Helsinki; Beijing University of Chemical Technology; Nanjing University
推荐引用方式 GB/T 7714	Olin, Miska,Okuljar, Magdalena,Rissanen, Matti P.,et al. Measurement report: Atmospheric new particle formation in a coastal agricultural site explained with binPMF analysis of nitrate CI-APi-TOF spectra[J],2022,22(12):19.
APA	Olin, Miska.,Okuljar, Magdalena.,Rissanen, Matti P..,Kalliokoski, Joni.,Shen, Jiali.,...&Dal Maso, Miikka.(2022).Measurement report: Atmospheric new particle formation in a coastal agricultural site explained with binPMF analysis of nitrate CI-APi-TOF spectra.ATMOSPHERIC CHEMISTRY AND PHYSICS,22(12),19.
MLA	Olin, Miska,et al."Measurement report: Atmospheric new particle formation in a coastal agricultural site explained with binPMF analysis of nitrate CI-APi-TOF spectra".ATMOSPHERIC CHEMISTRY AND PHYSICS 22.12(2022):19.