Biogeosciences
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Articles | Volume 23, issue 2
Articles | Volume 23, issue 2
https://doi.org/10.5194/bg-23-477-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-477-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 2
Research article
 | 
19 Jan 2026
Research article |  | 19 Jan 2026

Spatiotemporal variability and environmental controls on aquatic methane emissions in an Arctic permafrost catchment

Michael W. Thayne, Karl Kemper, Christian Wille, Aram Kalhori, and Torsten Sachs

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Short summary
This study examines methane (CH4) emissions across an Arctic catchment on Disko Island, Greenland. Using over 700 floating-chamber measurements collected during two summer seasons, we show that methane fluxes vary strongly between lakes, streams, and shorelines and change over time. Early-season emissions are mainly driven by weather and hydrology, while later patterns reflect water chemistry and biological processes.
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