Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 21
Articles | Volume 18, issue 21
https://doi.org/10.5194/amt-18-6039-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-6039-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 21
Research article
 | 
03 Nov 2025
Research article |  | 03 Nov 2025

Impact of water uptake on fluorescence of atmospheric aerosols: insights from Mie–Raman–fluorescence lidar measurements

Igor Veselovskii, Qiaoyun Hu, Philippe Goloub, Thierry Podvin, Gaël Dubois, Alexey Kolgotin, and Mikhail Korenskii

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Short summary
A Mie–Raman–fluorescence lidar is used to analyze possible quenching of aerosol fluorescence during hygroscopic growth. The well-mixed planetary boundary layer serves as a convenient environment for such studies, since the fluorescence backscattering coefficient should remain constant in the absence of water uptake effects. However, during some episodes, we observed a systematic decrease in fluorescence backscattering, which likely indicates fluorescence quenching.
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