Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 15
Articles | Volume 26, issue 15
https://doi.org/10.5194/acp-26-11235-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-26-11235-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 15
Research article
 | 
12 Aug 2026
Research article |  | 12 Aug 2026

Fractal characteristics of ice-supersaturated regions in the tropopause region of the northern midlatitudes

Helena Zoe Schuh, Philipp Reutter, Stefan Niebler, and Peter Spichtinger

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Short summary
We studied ice-supersaturated regions in the upper troposphere and lower stratosphere where high humidity can lead to cloud and contrail formation. Using data from 2010 to 2020, we found these regions to have fractal characteristics by applying an area-perimeter method. The fractal dimension follows a seasonal cycle. Our results can help evaluate climate models and have possible implications on contrail mitigation.
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The tropopause region in a changing atmosphere (TPChange)...
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