Articles | Volume 18, issue 3
Biogeosciences, 18, 1223–1240, 2021
https://doi.org/10.5194/bg-18-1223-2021
Biogeosciences, 18, 1223–1240, 2021
https://doi.org/10.5194/bg-18-1223-2021

Research article 16 Feb 2021

Research article | 16 Feb 2021

Evaluating stream CO2 outgassing via drifting and anchored flux chambers in a controlled flume experiment

Filippo Vingiani et al.

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Cited articles

Alin, S. R., de Fátima F. L. Rasera, M., Salimon, C. I., Richey, J. E., Holtgrieve, G. W., Krusche, A. V., and Snidvongs, A.: Physical controls on carbon dioxide transfer velocity and flux in low-gradient river systems and implications for regional carbon budgets, J. Geophys. Res.-Biogeo., 116, G1, https://doi.org/10.1029/2010JG001398, 2011. a
Baker, M. A. and Gibson, C. H.: Sampling Turbulence in the Stratified Ocean: Statistical Consequences of Strong Intermittency, J. Phys. Oceanogr., 17, 1817–1836, https://doi.org/10.1175/1520-0485(1987)017<1817:STITSO>2.0.CO;2, 1987. 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 Biogeochem. Cy., 18, 4, https://doi.org/10.1029/2004GB002238, 2004. a
Bastviken, D., Sundgren, I., Natchimuthu, S., Reyier, H., and Gålfalk, M.: Technical Note: Cost-efficient approaches to measure carbon dioxide (CO2) fluxes and concentrations in terrestrial and aquatic environments using mini loggers, Biogeosciences, 12, 3849–3859, https://doi.org/10.5194/bg-12-3849-2015, 2015. a, b, c, d, e, f
Battin, T. J., Luyssaert, S., Kaplan, L. A., Aufdenkampe, A. K., Richter, A., and Tranvik, L. J.: The boundless carbon cycle, Nat. Geosci., 2, 598–600, https://doi.org/10.1038/ngeo618, 2009. a
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Short summary
Flexible foil chamber design and the anchored deployment might be useful techniques to enhance the robustness and the accuracy of CO2 measurements in low-order streams. Moreover, the study demonstrates the value of analytical and numerical techniques for the estimation of gas exchange velocities. These results may contribute to the development of novel procedures for chamber data analysis which might improve the robustness and reliability of chamber-based CO2 measurements in first-order streams.
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