Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 14
Articles | Volume 26, issue 14
https://doi.org/10.5194/acp-26-10423-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10423-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 14
Research article
 | 
24 Jul 2026
Research article |  | 24 Jul 2026

Assessment of the differences in European CH4 emission estimates from three TROPOMI products

Aurélien Sicsik-Paré, Audrey Fortems-Cheiney, Isabelle Pison, Grégoire Broquet, Alvin Opler, Elise Potier, Adrien Martinez, Oliver Schneising, Michael Buchwitz, Joannes D. Maasakkers, Tobias Borsdorff, and Antoine Berchet

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Short summary
Assimilating satellite methane observations provides top-down quantification of regional methane emissions. This study compares European emissions in 2019 estimated from the inversion of three satellite datasets. We find inconsistencies in national budgets and spatial patterns, with no product clearly superior. We disentangle drivers of the differences in emissions, highlighting the impact of differences in coverage, observations and errors on the consistency of methane emission estimates.
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