Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 5
Articles | Volume 19, issue 5
https://doi.org/10.5194/amt-19-1927-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-1927-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 5
Research article
 | 
18 Mar 2026
Research article |  | 18 Mar 2026

δ13C carbon isotopic composition of CO2 in the atmosphere by Lidar – a preliminary study with a CDIAL system at 2 µm

Fabien Gibert, Dimitri Edouart, Didier Mondelain, Claire Cénac, and Camille Yver

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Short summary
This paper presents first differential absorption lidar (DIAL) measurements of isotopic ratio of CO2 (δ13C) in the atmosphere in the spectral domain of 2-µm. This work investigates additional tracers of intra-atmospheric or surface-atmosphere exchanges to characterise CO2 sources and sinks.
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