Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 21
Articles | Volume 25, issue 21
https://doi.org/10.5194/acp-25-14251-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-14251-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 21
Research article
 | 
30 Oct 2025
Research article |  | 30 Oct 2025

CH4 emissions from Northern Europe wetlands: compared data assimilation approaches

Guillaume Monteil, Jalisha Theanutti Kallingal, and Marko Scholze

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Short summary
Our study combines two data assimilation techniques to refine CH4 emission estimates from natural wetlands in Norther Europe, combining parameter estimation of a vegetation model using eddy-covariance CH4 flux measurements, and inverse modelling using atmospheric CH4 measurements. We find a good complementarity between the two approaches, with the combined product leading to the overall best fit to observations, and arguably most realistic wetland CH4 emission estimate.
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