Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/amt-19-3557-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-3557-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
29 May 2026
Research article |  | 29 May 2026

Correction and calibration protocol for isotope data via CRDS: a study case for N2O and other isotope systems

Julius C. Havsteen, Mehr Fatima, Simone Brunamonti, Andrea Pogány, Thomas Hausmaninger, Benjamin Wolf, Reinhard Well, and Joachim Mohn

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Latest update: 29 May 2026
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Short summary
We present a new correction and calibration protocol to improve the accuracy of nitrous oxide isotope measurements obtained using laser spectroscopy. Through laboratory experiments, spectral simulations, and an automated MATLAB (Matrix Laboratory) reduction scheme, we identify and correct biases caused by matrix gas composition, spectral interferences and instrument variability. This protocol enables researchers to produce more reliable isotope data and supports standardised isotope analyses across laboratories.
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