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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 15, issue 2
Biogeosciences, 15, 429-445, 2018
https://doi.org/10.5194/bg-15-429-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 15, 429-445, 2018
https://doi.org/10.5194/bg-15-429-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 19 Jan 2018

Research article | 19 Jan 2018

Methane and carbon dioxide fluxes over a lake: comparison between eddy covariance, floating chambers and boundary layer method

Kukka-Maaria Erkkilä et al.
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Cited articles  
Aubinet, M., Vesala, T., and Papale, D. (Eds.): Eddy covariance: a practical guide to measurement and data analysis, Springer Science & Business Media, 2012. a
Bastviken, D., Cole, J., Pace, M., and Tranvik, L.: Methane emissions from lakes: Dependence of lake characteristics, two regional assessments, and a global estimate, Global Biogeoch. Cy., 18, GB4009, https://doi.org/10.1029/2004GB002238, 2004. a, b
Bastviken, D., Santoro, A. L., Marotta, H., Pinho, L. Q., Calheiros, D. F., Crill, P., and Enrich-Prast, A.: Methane emissions from Pantanal, South America, during the low water season: toward more comprehensive sampling, Environ. Sci. Technol., 44, 5450–5455, 2010. a, b, c
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Blees, J., Niemann, H., Erne, M., Zopfi, J., Schubert, C. J., and Lehmann, M. F.: Spatial variations in surface water methane super-saturation and emission in Lake Lugano, southern Switzerland, Aquat. Sci., 77, 535–545, https://doi.org/10.1007/s00027-015-0401-z, 2015. a
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Global estimates of freshwater greenhouse gas emissions are usually based on simple gas transfer models that underestimate the emissions. Thus, comparison of different gas transfer models is required for evaluating the uncertainties. This study compares three commonly used methods for estimating greenhouse gas emissions over lakes. We conclude that simple gas transfer models underestimate the emissions and more recent models should be used for global freshwater greenhouse gas emission estimates.
Global estimates of freshwater greenhouse gas emissions are usually based on simple gas transfer...
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