Articles | Volume 25, issue 2
https://doi.org/10.5194/acp-25-741-2025
https://doi.org/10.5194/acp-25-741-2025
Research article
 | 
21 Jan 2025
Research article |  | 21 Jan 2025

External particle mixing influences hygroscopicity in a sub-urban area

Shravan Deshmukh, Laurent Poulain, Birgit Wehner, Silvia Henning, Jean-Eudes Petit, Pauline Fombelle, Olivier Favez, Hartmut Herrmann, and Mira Pöhlker

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Cited articles

Achtert, P., Birmili, W., Nowak, A., Wehner, B., Wiedensohler, A., Takegawa, N., Kondo, Y., Miyazaki, Y., Hu, M., and Zhu, T.: Hygroscopic growth of tropospheric particle number size distributions over the North China Plain, J. Geophys. Res.-Atmos., 114, D00G07, https://doi.org/10.1029/2008JD010921, 2009. 
ACROSS campaign: A description of the ACROSS project and its datasets, https://across.aeris-data.fr/description/, last access: 16 January 2025a. 
ACROSS campaign: ACROSS field campaign data for the SIRTA site: AERIS data center, https://across.aeris-data.fr/catalogue, last access: 16 January 2025b. 
Alfarra, M. R., Paulsen, D., Gysel, M., Garforth, A. A., Dommen, J., Prévôt, A. S. H., Worsnop, D. R., Baltensperger, U., and Coe, H.: A mass spectrometric study of secondary organic aerosols formed from the photooxidation of anthropogenic and biogenic precursors in a reaction chamber, Atmos. Chem. Phys., 6, 5279–5293, https://doi.org/10.5194/acp-6-5279-2006, 2006. 
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Aerosol hygroscopicity has been investigated at a sub-urban site in Paris; analysis shows the sub-saturated regime's measured hygroscopicity and the chemically derived hygroscopic growth, shedding light on the large effect of external particle mixing and its influence on predicting hygroscopicity.
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