Nature Communications (Feb 2022)
Photodissociation of particulate nitrate as a source of daytime tropospheric Cl2
- Xiang Peng,
- Tao Wang,
- Weihao Wang,
- A. R. Ravishankara,
- Christian George,
- Men Xia,
- Min Cai,
- Qinyi Li,
- Christian Mark Salvador,
- Chiho Lau,
- Xiaopu Lyu,
- Chun Nan Poon,
- Abdelwahid Mellouki,
- Yujing Mu,
- Mattias Hallquist,
- Alfonso Saiz-Lopez,
- Hai Guo,
- Hartmut Herrmann,
- Chuan Yu,
- Jianing Dai,
- Yanan Wang,
- Xinke Wang,
- Alfred Yu,
- Kenneth Leung,
- Shuncheng Lee,
- Jianmin Chen
Affiliations
- Xiang Peng
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Tao Wang
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Weihao Wang
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- A. R. Ravishankara
- Departments of Atmospheric Science and Chemistry, Colorado State University
- Christian George
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON
- Men Xia
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Min Cai
- Institut de Combustion, Aérothermique, Réactivité et Environnement (ICARE), CNRS/OSUC
- Qinyi Li
- Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano, CSIC
- Christian Mark Salvador
- Department of Chemistry and Molecular Biology, University of Gothenburg
- Chiho Lau
- Air Science Group Environmental Protection Department, HKSAR
- Xiaopu Lyu
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Chun Nan Poon
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Abdelwahid Mellouki
- Institut de Combustion, Aérothermique, Réactivité et Environnement (ICARE), CNRS/OSUC
- Yujing Mu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences
- Mattias Hallquist
- Department of Chemistry and Molecular Biology, University of Gothenburg
- Alfonso Saiz-Lopez
- Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano, CSIC
- Hai Guo
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Hartmut Herrmann
- Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department (ACD)
- Chuan Yu
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Jianing Dai
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Yanan Wang
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Xinke Wang
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON
- Alfred Yu
- Air Science Group Environmental Protection Department, HKSAR
- Kenneth Leung
- Air Science Group Environmental Protection Department, HKSAR
- Shuncheng Lee
- Department of Civil and Environmental Engineering, the Hong Kong Polytechnic University
- Jianmin Chen
- Department of Environmental Science and Engineering, Fudan University, Institute of Atmospheric Sciences
- DOI
- https://doi.org/10.1038/s41467-022-28383-9
- Journal volume & issue
-
Vol. 13,
no. 1
pp. 1 – 10
Abstract
This study unravels an important daytime Cl2 source in the extra-polar atmosphere and shows that photolysis of particle nitrate at high acidity produced unprecedented levels of Cl2, boosting the oxidative power and air pollutants like O3.