Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 20
Articles | Volume 25, issue 20
https://doi.org/10.5194/acp-25-12875-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-12875-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 20
Research article
 | 
17 Oct 2025
Research article |  | 17 Oct 2025

Zero-dimensional contrail models could underpredict lifetime optical depth

Caleb Akhtar Martínez, Sebastian D. Eastham, and Jerome P. Jarrett

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Short summary
Contrails are clouds that form behind aircraft and can warm the atmosphere as much as carbon dioxide emissions from those planes. This work compares two contrail models of different complexities to understand their lifecycle and impact. The models differ in how contrails evolve over time, implying that we may be significantly underestimating their climate impact. This highlights the need for model diversity and more evaluation against observations of long-lived contrails.
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