Articles | Volume 17, issue 6
https://doi.org/10.5194/essd-17-2331-2025
https://doi.org/10.5194/essd-17-2331-2025
ESS Visions
 | 
04 Jun 2025
ESS Visions |  | 04 Jun 2025

An expert survey on chamber measurement techniques and data handling procedures for methane fluxes

Katharina Jentzsch, Lona van Delden, Matthias Fuchs, and Claire C. Treat

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Cited articles

Bain, W. G., Hutyra, L., Patterson, D. C., Bright, A. V., Daube, B. C., Munger, J. W., and Wofsy, S. C.: Wind-induced error in the measurement of soil respiration using closed dynamic chambers, Agr. Forest Meteorol., 131, 225–232, https://doi.org/10.1016/j.agrformet.2005.06.004, 2005. 
Bond-Lamberty, B. and Thomson, A.: A global database of soil respiration data, Biogeosciences, 7, 1915–1926, https://doi.org/10.5194/bg-7-1915-2010, 2010a. 
Bond-Lamberty, B. and Thomson, A.: Temperature-associated increases in the global soil respiration record, Nature, 464, 579–582, https://doi.org/10.1038/nature08930, 2010b. 
Christiansen, J. R., Korhonen, J. F. J., Juszczak, R., Giebels, M., and Pihlatie, M.: Assessing the effects of chamber placement, manual sampling and headspace mixing on CH4 fluxes in a laboratory experiment, Plant Soil, 343, 171–185, https://doi.org/10.1007/s11104-010-0701-y, 2011. 
Christiansen, J. R., Outhwaite, J., and Smukler, S. M.: Comparison of CO2, CH4 and N2O soil-atmosphere exchange measured in static chambers with cavity ring-down spectroscopy and gas chromatography, Agr. Forest Meteorol., 211–212, 48–57, https://doi.org/10.1016/j.agrformet.2015.06.004, 2015. 
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Short summary
Methane is a greenhouse gas that contributes to global warming, but we do not fully understand how much is released from natural sources like wetlands. To measure methane over large areas, many measurements are needed, often from small chambers that are placed on the ground. However, different researchers use different measurement setups, making it hard to combine data. We surveyed 36 researchers about their methods, summarized the responses, and identified ways to make the data more comparable.
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