Articles | Volume 25, issue 9
https://doi.org/10.5194/acp-25-4803-2025
https://doi.org/10.5194/acp-25-4803-2025
Research article
 | 
09 May 2025
Research article |  | 09 May 2025

Modelling of atmospheric variability in gas and aerosols during the ACROSS campaign 2022 of the greater Paris area: evaluation of the meteorology, dynamics and chemistry

Ludovico Di Antonio, Matthias Beekmann, Guillaume Siour, Vincent Michoud, Christopher Cantrell, Astrid Bauville, Antonin Bergé, Mathieu Cazaunau, Servanne Chevaillier, Manuela Cirtog, Joel F. de Brito, Paola Formenti, Cecile Gaimoz, Olivier Garret, Aline Gratien, Valérie Gros, Martial Haeffelin, Lelia N. Hawkins, Simone Kotthaus, Gael Noyalet, Diana L. Pereira, Jean-Eudes Petit, Eva Drew Pronovost, Véronique Riffault, Chenjie Yu, Gilles Foret, Jean-François Doussin, and Claudia Di Biagio

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This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Cited articles

ACTRIS: https://www.actris-ecac.eu/particle-light-absorption.html (last access: 18 February 2025), 2023. 
AERIS: Catalogue, https://across.aeris-data.fr/catalogue/ (last access: 8 May 2025), 2025. 
Ancellet, G., Viatte, C., Boynard, A., Ravetta, F., Pelon, J., Cailteau-Fischbach, C., Genau, P., Capo, J., Roy, A., and Nédélec, P.: Analysis of the day-to-day variability of ozone vertical profiles in the lower troposphere during the 2022 Paris ACROSS campaign, Atmos. Chem. Phys., 24, 12963–12983, https://doi.org/10.5194/acp-24-12963-2024, 2024. 
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Short summary
The summer of 2022 has been considered a proxy for future climate scenarios due to its hot and dry conditions. In this paper, we use the measurements from the Atmospheric Chemistry of the Suburban Forest (ACROSS) campaign, conducted in the Paris area in June–July 2022, along with observations from existing networks, to evaluate a 3D chemistry transport model (WRF–CHIMERE) simulation. Results are shown to be satisfactory, allowing us to explain the gas and aerosol variability at the campaign sites.
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