Articles | Volume 16, issue 23
Atmos. Chem. Phys., 16, 14891–14908, 2016
https://doi.org/10.5194/acp-16-14891-2016
Atmos. Chem. Phys., 16, 14891–14908, 2016
https://doi.org/10.5194/acp-16-14891-2016

Research article 01 Dec 2016

Research article | 01 Dec 2016

Using δ13C-CH4 and δD-CH4 to constrain Arctic methane emissions

Nicola J. Warwick et al.

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AR by Nicola Warwick on behalf of the Authors (21 Oct 2016)  Author's response    Manuscript
ED: Publish as is (27 Oct 2016) by Patrick Jöckel
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Short summary
Methane is an important greenhouse gas. Methane emissions from Arctic wetlands are poorly quantified and may increase in a warming climate. Using a global atmospheric model and atmospheric observations of methane and its isotopologues, we find that isotopologue data are useful in constraining Arctic wetland emissions. Our results suggest that the seasonal cycle of these emissions may be incorrectly simulated in land process models, with implications for our understanding of future emissions.
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