Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 7
Articles | Volume 26, issue 7
https://doi.org/10.5194/acp-26-4863-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-4863-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 7
Research article
 | 
14 Apr 2026
Research article |  | 14 Apr 2026

Idealized particle-resolved large-eddy simulations to evaluate the impact of emissions spatial heterogeneity on CCN activity

Samuel G. Frederick, Matin Mohebalhojeh, Jeffrey H. Curtis, Matthew West, and Nicole Riemer

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Short summary
We show with detailed computer simulations that spatial patterns of emissions strongly affect aerosols and their ability to seed clouds. Highly variable emissions can raise cloud-forming particle concentrations in the boundary layer by up to 25 %. Because clouds regulate climate and precipitation, these findings underscore the need to represent realistic emission patterns to improve climate predictions.
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