The Cryosphere
The Cryosphere
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Articles | Volume 19, issue 9
Articles | Volume 19, issue 9
https://doi.org/10.5194/tc-19-4091-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-4091-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 9
Research article
 | 
29 Sep 2025
Research article |  | 29 Sep 2025

Improved permafrost modelling in mountain environments by including air convection in a hydrological model

Gerardo Zegers, Masaki Hayashi, and Rodrigo Pérez-Illanes

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Latest update: 29 Sep 2025
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Short summary
This research showed that airflow within sediment accumulations promotes cooling and sustains mountain permafrost. By enhancing a numerical model, we showed that natural air movement, driven by temperature differences between sediments and external air, allows permafrost to survive. Our work aids in predicting where and how permafrost exists, which is essential for understanding its role in mountain water systems and its response to climate change.
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