Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 9
Articles | Volume 26, issue 9
https://doi.org/10.5194/acp-26-5879-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-5879-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 9
Research article
 | 
04 May 2026
Research article |  | 04 May 2026

A combined observational and modelling approach to evaluate aerosol–cirrus interactions at high and mid-latitudes

Elena De La Torre Castro, Christof G. Beer, Tina Jurkat-Witschas, Daniel Sauer, Mattia Righi, Johannes Hendricks, and Christiane Voigt

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Short summary
Ice nucleating particles strongly influence cirrus cloud properties but remain difficult to measure at cirrus temperatures. By combining EMAC (ECHAM/MESSy Atmospheric Chemistry) model simulations with in situ observations from the CIRRUS-HL (Cirrus in High-Latitudes) campaign, we investigate aerosol-cirrus interactions across latitudes. While the model generally agrees with observations, it overestimates ice crystal number concentrations detrained from convection, which we correct applying a new radius-temperature parametrization from the observations.
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