Articles | Volume 26, issue 4
https://doi.org/10.5194/acp-26-3125-2026
https://doi.org/10.5194/acp-26-3125-2026
Research article
 | 
02 Mar 2026
Research article |  | 02 Mar 2026

Contrail formation for aircraft with hydrogen combustion – Part 1: A systematic microphysical investigation

Josef Zink, Simon Unterstrasser, and Ulrike Burkhardt

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Latest update: 23 May 2026
Short summary
The climate impact of aviation-induced contrail cirrus is strongly influenced by the number of ice crystals that form in an aircraft's exhaust plume. In this study, we systematically investigate the key microphysical processes of contrail formation for hydrogen combustion. A large simulation data set provides the basis for a data-driven parameterization of ice crystal number that can be integrated into large-scale models.
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