Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 11
Articles | Volume 18, issue 11
https://doi.org/10.5194/essd-18-8211-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-8211-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 11
Data description article
 | 
11 Nov 2026
Data description article |  | 11 Nov 2026

A 1 km gridded dataset of Northern Hemisphere permafrost active layer thickness (2000–2024)

Yujiao Wei, Zhaoqi Wu, Jiaxue Wang, Huanfeng Shen, and Yiyun Chen

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Short summary
Thawing permafrost accelerates global warming and threatens infrastructure, yet tracking changes over vast areas remains difficult. We combined over two decades of ground observations with artificial intelligence to create a continuous, highly detailed yearly map of permafrost thaw depth across the Northern Hemisphere from 2000 to 2024. Overcoming previous mapping limitations, this reliable dataset provides a vital tool to evaluate environmental hazards and protect vulnerable regions.
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