Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 17
Articles | Volume 26, issue 17
https://doi.org/10.5194/acp-26-12275-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-26-12275-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 17
Research article
 | 
31 Aug 2026
Research article |  | 31 Aug 2026

Downward transport of tropical upper-tropospheric aerosols: multi-year insights from idealized simulations

Lianet Hernández Pardo, Joachim Curtius, Patrick Jöckel, J. Moritz Menken, Christopher Pöhlker, Mira Pöhlker, and Anna Possner

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Short summary
Many tiny particles are formed high in the tropical atmosphere, but their impact lower down is unclear. We studied how these particles move downward using long-term computer simulations. We found that particles can reach middle levels of the atmosphere within a week, carried by winds. These results help us understand how pollution and clouds might change as particles spread around the world.
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