Articles | Volume 24, issue 3
https://doi.org/10.5194/acp-24-1825-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-1825-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Intensive photochemical oxidation in the marine atmosphere: evidence from direct radical measurements
Guoxian Zhang
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, China
Renzhi Hu
CORRESPONDING AUTHOR
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
Pinhua Xie
CORRESPONDING AUTHOR
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
Science Island Branch of Graduate School, University of Science and Technology of China, Hefei, China
College of Resources and Environment, University of Chinese Academy of Science, Beijing, China
Changjin Hu
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
Xiaoyan Liu
School of Pharmacy, Anhui Medical University, Hefei, China
Liujun Zhong
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
Haotian Cai
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, China
Shiyong Xia
Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, China
Xiaofeng Huang
Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, China
State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, China
Wenqing Liu
Key Laboratory of Environment Optics and Technology, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei, China
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Cited
6 citations as recorded by crossref.
- Unclassical Radical Generation Mechanisms in the Troposphere: A Review X. Yang et al. 10.1021/acs.est.4c00742
- Improved laser-induced fluorescent instrument for online peroxy radical measurement: Consistency in high-sensitivity for detection G. Zhang et al. 10.1016/j.snb.2024.136774
- Relative humidity driven nocturnal HONO formation mechanism in autumn haze events of Beijing H. Xuan et al. 10.1038/s41612-024-00745-8
- Heatwave-amplified atmospheric oxidation in a multi-province border area in Xuzhou, China G. Zhang et al. 10.3389/fenvs.2024.1496584
- Intercomparison of measured and modelled photochemical ozone production rates: Suggestion of chemistry hypothesis regarding unmeasured VOCs J. Zhou et al. 10.1016/j.scitotenv.2024.175290
- Enhanced Marine VOC Emissions Driven by Terrestrial Nutrient Inputs and Their Impact on Urban Air Quality in Coastal Regions F. Xu et al. 10.1021/acs.est.4c12655
6 citations as recorded by crossref.
- Unclassical Radical Generation Mechanisms in the Troposphere: A Review X. Yang et al. 10.1021/acs.est.4c00742
- Improved laser-induced fluorescent instrument for online peroxy radical measurement: Consistency in high-sensitivity for detection G. Zhang et al. 10.1016/j.snb.2024.136774
- Relative humidity driven nocturnal HONO formation mechanism in autumn haze events of Beijing H. Xuan et al. 10.1038/s41612-024-00745-8
- Heatwave-amplified atmospheric oxidation in a multi-province border area in Xuzhou, China G. Zhang et al. 10.3389/fenvs.2024.1496584
- Intercomparison of measured and modelled photochemical ozone production rates: Suggestion of chemistry hypothesis regarding unmeasured VOCs J. Zhou et al. 10.1016/j.scitotenv.2024.175290
- Enhanced Marine VOC Emissions Driven by Terrestrial Nutrient Inputs and Their Impact on Urban Air Quality in Coastal Regions F. Xu et al. 10.1021/acs.est.4c12655
Latest update: 29 Mar 2025
Short summary
Comprehensive observation of HOx radicals was conducted at a coastal site in the Pearl River Delta. Radical chemistry was influenced by different air masses in a time-dependent way. Land mass promotes a more active photochemical process, with daily averages of 7.1 × 106 and 5.2 × 108 cm−3 for OH and HO2 respectively. The rapid oxidation process was accompanied by a higher diurnal HONO concentration, which influences the ozone-sensitive system and eventually magnifies the background ozone.
Comprehensive observation of HOx radicals was conducted at a coastal site in the Pearl River...
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