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Biogeosciences An interactive open-access journal of the European Geosciences Union
Journal topic
Volume 13, issue 13
Biogeosciences, 13, 3981–3989, 2016
https://doi.org/10.5194/bg-13-3981-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 13, 3981–3989, 2016
https://doi.org/10.5194/bg-13-3981-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

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 et al.

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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.
Understanding controls of air–sea gas exchange is necessary for predicting regional- and...
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