Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 9
Articles | Volume 18, issue 9
https://doi.org/10.5194/essd-18-6783-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-6783-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 9
Data description article
 | 
15 Sep 2026
Data description article |  | 15 Sep 2026

A Global Database of Soil Methane Uptake (SMUD)

Jiawei Jiang, Zhifeng Yan, Jinshi Jian, Jesper Riis Christiansen, Xinchu Wang, Ren-Min Yang, Zhen Zhang, and Philippe Ciais

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Short summary
Soil methane uptake represents the second-largest sink of atmospheric methane but the field observations have not yet been systematically compiled. Here, we compiled an open global soil methane uptake database from the 1980s, covering most regions in multi-timescale along with the soil moisture and temperature data. The data show strong seasonal changes and different controls across biomes, helping improve climate estimates, models, and satellite evaluations.
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