Articles | Volume 23, issue 19
Research article
06 Oct 2023
Research article |  | 06 Oct 2023

Aerosol optical depth climatology from the high-resolution MAIAC product over Europe: differences between major European cities and their surrounding environments

Ludovico Di Antonio, Claudia Di Biagio, Gilles Foret, Paola Formenti, Guillaume Siour, Jean-François Doussin, and Matthias Beekmann

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Hydrol. Earth Syst. Sci. Discuss.,,, 2023
Revised manuscript under review for HESS
Short summary

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Subject: Aerosols | Research Activity: Remote Sensing | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

AERONET: Version 3 Aerosol Optical Depth​​​​​​​,, last access: June 2023. 
Alpert, P., Shvainshtein, O., and Kishcha, P.: AOD Trends over Megacities Based on Space Monitoring Using MODIS and MISR, American Journal of Climate Change, 1, 117–131,, 2012. 
Aman, N., Manomaiphiboon, K., Suwattiga, P., Assareh, N., Limpaseni, W., Suwanathada, P., Soonsin, V., and Wang, Y.: Visibility, aerosol optical depth, and low-visibility events in Bangkok during the dry season and associated local weather and synoptic patterns, Environ. Monit. Assess., 194, 322,, 2022.​​​​​​​ 
Ångström, A.: On the Atmospheric Transmission of Sun Radiation and on Dust in the Air, Geogr. Ann., 11, 156–166,, 1929. 
Short summary
Long-term (2000–2021) 1 km resolution satellite data have been used to investigate the climatological aerosol optical depth (AOD) variability and trends at different scales in Europe. Average enhancements of the local-to-regional AOD ratio at 550 nm of 57 %, 55 %, 39 % and 32 % are found for large metropolitan areas such as Barcelona, Lisbon, Paris and Athens, respectively, suggesting a non-negligible enhancement of the aerosol burden through local emissions.
Final-revised paper