Articles | Volume 17, issue 24
https://doi.org/10.5194/acp-17-15007-2017
https://doi.org/10.5194/acp-17-15007-2017
Research article
 | 
19 Dec 2017
Research article |  | 19 Dec 2017

Quantification of an atmospheric nucleation and growth process as a single source of aerosol particles in a city

Imre Salma, Veronika Varga, and Zoltán Németh

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Cited articles

Alam, A., Shi, J. P., and Harrison, R. M.: Observation of new particle formation in urban air, J. Geophys. Res., 108, 4093–4107, 2003.
Braakhuis, H. M., Park, M. V., Gosens, I., De Jong, W. H., and Cassee, F. R.: Physicochemical characteristics of nanomaterials that affect pulmonary inflammation, Part, Fibre Toxicol., 11, 18, https://doi.org/10.1186/1743-8977-11-18, 2014.
Brines, M., Dall'Osto, M., Beddows, D. C. S., Harrison, R. M., Gómez-Moreno, F., Núñez, L., Artíñano, B., Costabile, F., Gobbi, G. P., Salimi, F., Morawska, L., Sioutas, C., and Querol, X.: Traffic and nucleation events as main sources of ultrafine particles in high-insolation developed world cities, Atmos. Chem. Phys., 15, 5929–5945, https://doi.org/10.5194/acp-15-5929-2015, 2015.
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Short summary
The largest source of ultrafine (UF) aerosol particles in cities seems to be vehicular road traffic. We quantified here that nucleation generates 37 % of UF particles in the near-city background, and 13 % in the city centre. This implies that the health-related consequences of atmospheric new particle formation and growth processes in cities should also be considered in addition to their urban climate implications.
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