Biogeosciences
Biogeosciences
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Articles | Volume 12, issue 21
Articles | Volume 12, issue 21
https://doi.org/10.5194/bg-12-6259-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-6259-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 21
Research article
 | 
02 Nov 2015
Research article |  | 02 Nov 2015

Model estimates of climate controls on pan-Arctic wetland methane emissions

X. Chen, T. J. Bohn, and D. P. Lettenmaier

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Short summary
We used a process-based model to investigate the sensitivities of pan-Arctic wetland methane emissions to climate factors, as a function of climate. Over the period 1960-2006, temperature was the dominant driver of trends in emissions. Wetlands north of 60N were temperature-limited, and wetlands south of 60N latitude were water-limited. Projected future warming will cause water-limited wetlands to expand northward over the next century, lessening the role of temperature in the future.
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