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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 16, issue 5
Biogeosciences, 16, 961-978, 2019
https://doi.org/10.5194/bg-16-961-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 961-978, 2019
https://doi.org/10.5194/bg-16-961-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 13 Mar 2019

Research article | 13 Mar 2019

Insights from year-long measurements of air–water CH4 and CO2 exchange in a coastal environment

Mingxi Yang et al.
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Artioli, Y., Blackford, J. C., Butenschoen, M., Holt, J., Wakelin, S. L., Thomas, H., Borges, A. V., and Allen, J. I.: The carbonate system in the North Sea: Sensitivity and model validation, J. Mar. Syst., 102–104, 1–13, 2012. 
Ashton, I. G., Shutler, J. D., Land, P. E., Woolf, D. K., and Quartly, G. D.: A Sensitivity Analysis of the Impact of Rain on Regional and Global Sea-Air Fluxes of CO2, PLoS ONE, 11, e0161105, https://doi.org/10.1371/journal.pone.0161105, 2016. 
Bange, H. W.: Nitrous oxide and methane in European coastal waters, Estuar. Coast. Shelf Sci., 70, 361–374, 2006. 
Bell, T. G., Landwehr, S., Miller, S. D., de Bruyn, W. J., Callaghan, A. H., Scanlon, B., Ward, B., Yang, M., and Saltzman, E. S.: Estimation of bubble-mediated air–sea gas exchange from concurrent DMS and CO2 transfer velocities at intermediate–high wind speeds, Atmos. Chem. Phys., 17, 9019–9033, https://doi.org/10.5194/acp-17-9019-2017, 2017. 
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We quantify the emissions and uptake of the greenhouse gases carbon dioxide and methane from the coastal seas of the UK over 1 year using the state-of-the-art eddy covariance technique. Our measurements show how these air–sea fluxes vary twice a day (tidal), diurnally (circadian) and seasonally. We also estimate the air–sea gas transfer velocity, which is essential for modelling and predicting coastal air-sea exchange.
We quantify the emissions and uptake of the greenhouse gases carbon dioxide and methane from the...
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