Biogeosciences
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Articles | Volume 23, issue 3
Articles | Volume 23, issue 3
https://doi.org/10.5194/bg-23-1245-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-1245-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 3
Technical note
 | 
12 Feb 2026
Technical note |  | 12 Feb 2026

Technical note: Comparison of simultaneously applied chamber-based gas flux measurements from arable soils using gas chromatography (static chamber) and mid-infrared laser absorption spectroscopy (dynamic chamber)

Wolfgang Aumer, Morten Möller, Carolyn-Monika Görres, Christian Eckhardt, Tobias Karl David Weber, Carolina Bilibio, Christian Bruns, Andreas Gattinger, Maria Renate Finckh, and Claudia Kammann

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Short summary
Arable soils emit or absorb greenhouse gases such as carbon dioxide, nitrous oxide and methane. This study compared two gas analysis techniques for determining greenhouse gas fluxes under field conditions using the closed chamber method. Fluxes were measured simultaneously using the widely applied gas chromatography (GC) and the emerging mid-infrared laser absorption spectroscopy (LAS) technique. Our results showed that LAS is a reliable alternative to GC, particularly for low flux rates.
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