Articles | Volume 14, issue 23
Research article
 | Highlight paper
11 Dec 2017
Research article | Highlight paper |  | 11 Dec 2017

Continuous measurement of air–water gas exchange by underwater eddy covariance

Peter Berg and Michael L. Pace

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Cited articles

Anderson, D. E., Striegl, R. G., Stannard, D. I., Michmerhuizen, C. M., McConnaughey, T. A., and LaBaugh, J. W.: Estimating lake-atmosphere CO2 exchange, Limnol. Oceanogr., 44, 988–1001, 1999.
Bannerjee, S. and MacIntyre, S.: The air–water interface: turbulence and scalar interchange, Adv. Coastal Ocean En., 9, 181–237, 2004.
Bastviken, D., Tranvik, L. J., Downing, J. A., Crill, P. M., and Enrich-Prast, A.: Freshwater Methane Emissions Offset the Continental Carbon Sink, Science, 331, 50–50, 2011.
Berg, P., Roy, H., Janssen, F., Meyer, V., Jorgensen, B. B., Huettel, M., and de Beer, D.: Oxygen uptake by aquatic sediments measured with a novel non-invasive eddy-correlation technique, Mar. Ecol.-Prog. Ser., 261, 75–83, 2003.
Berg, P., Roy, H., and Wiberg, P. L.: Eddy correlation flux measurements: The sediment surface area that contributes to the flux, Limnol. Oceanogr., 52, 1672–1684, 2007.
Short summary
We use the aquatic eddy covariance technique – developed first for benthic O2 flux measurements – right below the air–water interface (~ 4 cm) to determine gas exchange rates and coefficients. This use of the technique is particularly useful in studies of gas exchange and its dynamics and controls. The approach can thus help reduce the recognized problem of large uncertainties linked to gas exchange estimates in traditional aquatic ecosystem studies.
Final-revised paper