Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 21, issue 8
Articles | Volume 21, issue 8
https://doi.org/10.5194/acp-21-6431-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-6431-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 8
Research article
 | 
28 Apr 2021
Research article |  | 28 Apr 2021

Seasonal variation in atmospheric pollutants transport in central Chile: dynamics and consequences

Rémy Lapere, Laurent Menut, Sylvain Mailler, and Nicolás Huneeus

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Short summary
Based on modeling, the transport dynamics of ozone and fine particles in central Chile are investigated. Santiago emissions are found to influence air quality along a 1000 km plume as far as Argentina and northern Chile. In turn, emissions outside the metropolis contribute significantly to its recorded particles concentration. Emissions of precursors from Santiago are found to lead to the formation of a persistent ozone bubble in altitude, a phenomenon which is described for the first time.
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