Biogeosciences
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Articles | Volume 23, issue 8
Articles | Volume 23, issue 8
https://doi.org/10.5194/bg-23-2815-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-2815-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 8
Research article
 | 
24 Apr 2026
Research article |  | 24 Apr 2026

A top-down evaluation of bottom-up estimates to reduce uncertainty in methane emissions from Arctic wetlands

Luana S. Basso, Goran Georgievski, Victor Brovkin, Christian Beer, Christian Rödenbeck, and Mathias Göckede

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Latest update: 28 Oct 2026
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Short summary
This study examines how combining atmospheric inversion with process-based modelling can reduce discrepancies in estimates of Arctic wetland CH4 emissions. We conducted a series of inversion experiments, each incorporating CH4 wetland fluxes from process-based models with different CH4 production parameterizations. Our results showed that no single parameterization captures the complexity of Arctic–Boreal emissions; instead, region-specific adjustments are needed to reduce discrepancies.
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