Articles | Volume 16, issue 3
https://doi.org/10.5194/tc-16-825-2022
https://doi.org/10.5194/tc-16-825-2022
Research article
 | 
11 Mar 2022
Research article |  | 11 Mar 2022

Convective heat transfer of spring meltwater accelerates active layer phase change in Tibet permafrost areas

Yi Zhao, Zhuotong Nan, Hailong Ji, and Lin Zhao

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Latest update: 30 Aug 2025
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Short summary
Convective heat transfer (CHT) is important in affecting thermal regimes in permafrost regions. We quantified its thermal impacts by contrasting the simulation results from three scenarios in which the Simultaneous Heat and Water model includes full, partial, and no consideration of CHT. The results show the CHT commonly happens in shallow and middle soil depths during thawing periods and has greater impacts in spring than summer. The CHT has both heating and cooling effects on the active layer.
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