European CH4 inversions with ICON-ART coupled to the CarbonTracker Data Assimilation Shell

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Abstract CH 4 Tg yr - 1, while the a priori emissions were 19.9 Tg yr - 1. Our a posteriori is close to the total reported to the UNFCCC of 17.8 Tg yr - 1. Natural emissions are reduced from their a priori magnitude almost everywhere, especially over Italy and Romania–Moldova, where a priori geological emissions are high, and over the United Kingdom and Scandinavia, where emissions from peatlands and wetlands were possibly unusually low during the hot and dry summer of 2018. Our a posteriori anthropogenic emissions for the EU27 + UK fall within the range estimated by global top-down studies but are lower than most other regional inversions. However, many of these studies have used observations from different measurement stations or satellite observations. The spatial pattern of the emission increments in our results, especially the increase in the Benelux countries, also agrees well with other regional inversions.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: European CH₄ inversions with ICON-ART coupled to the CarbonTracker Data Assimilation Shell ; volume:24 ; number:4 ; year:2024 ; pages:2759-2782 ; extent:24
Atmospheric chemistry and physics ; 24, Heft 4 (2024), 2759-2782 (gesamt 24)

Creator: Steiner, Michael
Peters, Wouter
Luijkx, I. T.
Henne, Stephan
Chen, Huilin
Hammer, Samuel
Brunner, Dominik

DOI: 10.5194/acp-24-2759-2024

URN: urn:nbn:de:101:1-2024030703265769415218

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:45 AM CEST

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Steiner, Michael
Peters, Wouter
Luijkx, I. T.
Henne, Stephan
Chen, Huilin
Hammer, Samuel
Brunner, Dominik

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European CH<sub>4</sub> inversions with ICON-ART coupled to the CarbonTracker Data Assimilation Shell

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How do Cl concentrations matter for simulating CH<sub>4</sub>, <em>δ</em><sup>13</sup>C (CH<sub>4</sub>) and estimating CH<sub>4</sub> budget through atmospheric inversions?

How do Cl concentrations matter for simulating CH<sub>4</sub>, <em>δ</em><sup>13</sup>C (CH<sub>4</sub>) and estimating CH<sub>4</sub> budget through atmospheric inversions?

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