Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 13
Articles | Volume 13, issue 13
https://doi.org/10.5194/bg-13-3981-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-3981-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 13
Research article
 | 
11 Jul 2016
Research article |  | 11 Jul 2016

Surfactant control of gas transfer velocity along an offshore coastal transect: results from a laboratory gas exchange tank

R. Pereira, K. Schneider-Zapp, and R. C. Upstill-Goddard

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Short summary
Understanding controls of air–sea gas exchange is necessary for predicting regional- and global-scale trace gas fluxes and feedbacks. Recent studies demonstrated the importance of surfactants, which occur naturally in the uppermost layer of coastal water bodies, to suppress the gas transfer velocity (kw). Here we present data for seawater samples collected from the North Sea. Using a novel analytical approach we show a strong seasonal and spatial relationship between natural surfactants and kw.
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