Articles | Volume 19, issue 11
https://doi.org/10.5194/tc-19-5317-2025
https://doi.org/10.5194/tc-19-5317-2025
Research article
 | 
04 Nov 2025
Research article |  | 04 Nov 2025

Annual carbon dioxide flux over seasonal sea ice in the Canadian Arctic

Brian J. Butterworth, Brent G. T. Else, Kristina A. Brown, Christopher J. Mundy, William J. Williams, Lina M. Rotermund, and Gijs de Boer

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Short summary
Observations of carbon dioxide transfer between water and air were measured at a seasonally ice-covered marine location using the eddy covariance method. The goal was to determine how sea ice influences water-air transfer of carbon dioxide by season. During full ice cover in winter, ice acted as a barrier to transfer. In spring, melt water absorbed carbon dioxide from the air. In fall, freezing released carbon dioxide from water to the air.
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