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ACP | Articles | Volume 19, issue 5
Atmos. Chem. Phys., 19, 3065–3095, 2019
https://doi.org/10.5194/acp-19-3065-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 3065–3095, 2019
https://doi.org/10.5194/acp-19-3065-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 11 Mar 2019

Research article | 11 Mar 2019

Transport of Po Valley aerosol pollution to the northwestern Alps – Part 1: Phenomenology

Henri Diémoz et al.

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Cited articles

Adam, M., Putaud, J. P., Martins dos Santos, S., Dell'Acqua, A., and Gruening, C.: Aerosol hygroscopicity at a regional background site (Ispra) in Northern Italy, Atmos. Chem. Phys., 12, 5703–5717, https://doi.org/10.5194/acp-12-5703-2012, 2012. a, b
Agnesod, G., Moulin, P.-A., Pession, G., Villard, H., and Zublena, M.: Étude Air Espace Mont-Blanc – Rapport Technique, Tech. rep., Espace Mont Blanc, available at: http://www.arpa.vda.it/images/stories/ARPA/aria/progetti/progairmb_agnesod_2003.pdf (last access: 28 February 2019), 2003. a
Aksoyoglu, S., Ciarelli, G., El-Haddad, I., Baltensperger, U., and Prévôt, A. S. H.: Secondary inorganic aerosols in Europe: sources and the significant influence of biogenic VOC emissions, especially on ammonium nitrate, Atmos. Chem. Phys., 17, 7757–7773, https://doi.org/10.5194/acp-17-7757-2017, 2017. a
Anfossi, D., Cassardo, C., Giraud, C., Longhetto, A., Villone, B., Bacci, P., Bonelli, P., Carboni, G., Bonafè, U., Bonasoni, P., and Giovanelli, G.: Experimental study of transalpine transport of trace effluents: a comparison with synoptic trajectories of airflow, Nuovo Cimento C, 11, 489–526, https://doi.org/10.1007/BF02506997, 1988. a
Angelini, F., Barnaba, F., Landi, T. C., Caporaso, L., and Gobbi, G. P.: Study of atmospheric aerosols and mixing layer by LIDAR, Radiat. Prot. Dosim., 137, 275–279, https://doi.org/10.1093/rpd/ncp219, 2009. a
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We assess the impact of air masses transported from the Po basin on the particulate matter (PM) levels in the northwestern Alps using multi-sensor observations from ground and space, and models. In this part 1 of the study, we investigate the phenomenon through three selected case studies representative of different seasons. We show that advected aerosols remarkably degrade the air quality of the Alpine area (PM10 increasing up to >100 µg m−3) and we discuss the measurement–model discrepancies.
We assess the impact of air masses transported from the Po basin on the particulate matter (PM)...
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