Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 16
Articles | Volume 26, issue 16
https://doi.org/10.5194/acp-26-11909-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-11909-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 16
Measurement report
 | 
21 Aug 2026
Measurement report |  | 21 Aug 2026

Measurement report: Development of a portable peroxy radical measurement system and application for diagnosing local ozone formation and transport

Rujia Tang, Zelong Zheng, Yiming Wang, Hongxia Liu, Xiaorui Chen, and Haichao Wang

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Short summary
This study developed a portable measurement system based on cavity-enhanced absorption spectroscopy, enabling highly sensitive online monitoring of total peroxy radicals in the atmosphere. The system is compact and was successfully deployed in a field campaign in Zhuhai during autumn. The results indicate that daytime ozone enhancement in this region was primarily driven by local photochemical production, while regional transport mainly played an export role.
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