Articles | Volume 18, issue 6
Atmos. Chem. Phys., 18, 4297–4315, 2018
https://doi.org/10.5194/acp-18-4297-2018

Special issue: Surface Ocean Aerosol Production (SOAP) (ACP/OS inter-journal...

Atmos. Chem. Phys., 18, 4297–4315, 2018
https://doi.org/10.5194/acp-18-4297-2018
Research article
28 Mar 2018
Research article | 28 Mar 2018

Using eddy covariance to measure the dependence of air–sea CO2 exchange rate on friction velocity

Sebastian Landwehr et al.

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Cited articles

Bell, T. G., De Bruyn, W., Miller, S. D., Ward, B., Christensen, K. H., and Saltzman, E. S.: Air–sea dimethylsulfide (DMS) gas transfer in the North Atlantic: evidence for limited interfacial gas exchange at high wind speed, Atmos. Chem. Phys., 13, 11073–11087, https://doi.org/10.5194/acp-13-11073-2013, 2013.
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.
Blomquist, B., Huebert, B., Fairall, C., Bariteau, L., Edson, J., Hare, J., and McGillis, W.: Advances in air–sea CO2 flux measurement by eddy correlation, Bound.-Lay. Meteorol., 152, 245–276, https://doi.org/10.1007/s10546-014-9926-2, 2014.
Blomquist, B. W., Huebert, B. J., Fairall, C. W., and Faloona, I. C.: Determining the sea-air flux of dimethylsulfide by eddy correlation using mass spectrometry, Atmos. Meas. Tech., 3, 1–20, https://doi.org/10.5194/amt-3-1-2010, 2010.
Boutin, J., Quilfen, Y., Merlivat, L., and Piolle, J. F.: Global average of air–sea CO2 transfer velocity from QuikSCAT scatterometer wind speeds, J. Geophys. Res.-Oceans, 114, C04007, https://doi.org/10.1029/2007JC004168, 2009.
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Short summary
The ocean takes up about 25 % of emitted anthropogenic emitted carbon dioxide and thus plays a significant role in the regulation of climate. In order to accurately calculate this uptake, a quantity known as the air–sea gas transfer velocity needs to be determined. This is typically parameterised with mean wind speed, the most commonly used velocity scale for calculating air–sea transfer coefficients. In this article, we propose an alternative velocity scale known as the friction velocity.
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