Articles | Volume 14, issue 3
https://doi.org/10.5194/bg-14-559-2017
https://doi.org/10.5194/bg-14-559-2017
Research article
 | 
07 Feb 2017
Research article |  | 07 Feb 2017

Exceptional summer warming leads to contrasting outcomes for methane cycling in small Arctic lakes of Greenland

Sarah B. Cadieux, Jeffrey R. White, and Lisa M. Pratt

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Short summary
Lakes contribute 6–16 % of methane to Earth's atmosphere. We focus on methane concentrations in Greenland lakes under open-water and ice-covered conditions. Significant warming in 2012 leads to greater methane concentrations in the lakes than in 2013. Methane concentrations under ice-covered conditions were greater than under open-water conditions. Results of this study suggest that interannual variation in ground-level air temperatures may be the primary driver of changes in methane dynamics.
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