The Cryosphere
The Cryosphere
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Articles | Volume 14, issue 8
Articles | Volume 14, issue 8
https://doi.org/10.5194/tc-14-2581-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-2581-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 8
Research article
 | 
12 Aug 2020
Research article |  | 12 Aug 2020

The ERA5-Land soil temperature bias in permafrost regions

Bin Cao, Stephan Gruber, Donghai Zheng, and Xin Li

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Short summary
This study reports that ERA5-Land (ERA5L) soil temperature bias in permafrost regions correlates with the bias in air temperature and with maximum snow height. While global reanalyses are important drivers for permafrost study, ERA5L soil data are not well suited for directly informing permafrost research decision making due to their warm bias in winter. To address this, future soil temperature products in reanalyses will require permafrost-specific alterations to their land surface models.
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