Articles | Volume 22, issue 7
https://doi.org/10.5194/acp-22-4355-2022
© Author(s) 2022. 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-22-4355-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Apr 2022
Research article |
| 05 Apr 2022
High atmospheric oxidation capacity drives wintertime nitrate pollution in the eastern Yangtze River Delta of China
Han Zang
School of Environmental Science and Engineering, Shanghai Jiao Tong
University, Shanghai 200240, China
School of Environmental Science and Engineering, Shanghai Jiao Tong
University, Shanghai 200240, China
Juntao Huo
Shanghai Environmental Monitoring Center, Shanghai 200235, China
Qianbiao Zhao
Shanghai Environmental Monitoring Center, Shanghai 200235, China
Academy of Environmental Planning & Design, Co., Ltd., Nanjing University, Nanjing 210093, Jiangsu, China
Qingyan Fu
Shanghai Environmental Monitoring Center, Shanghai 200235, China
Yusen Duan
CORRESPONDING AUTHOR
Shanghai Environmental Monitoring Center, Shanghai 200235, China
Jingyuan Shao
College of Flight Technology, Civil Aviation University of China,
Tianjin 300300, China
Cheng Huang
Shanghai Academy of Environmental Sciences, Shanghai 200233, China
Jingyu An
Shanghai Academy of Environmental Sciences, Shanghai 200233, China
Likun Xue
Environment Research Institute, Shandong University, Qingdao 266237, Shandong, China
School of Environmental Science and Engineering, Shanghai Jiao Tong
University, Shanghai 200240, China
Chenxi Li
School of Environmental Science and Engineering, Shanghai Jiao Tong
University, Shanghai 200240, China
Huayun Xiao
School of Environmental Science and Engineering, Shanghai Jiao Tong
University, Shanghai 200240, China
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Cited
12 citations as recorded by crossref.
- Foreign emissions exacerbate PM2.5 pollution in China through nitrate chemistry J. Xu et al. 10.5194/acp-23-4149-2023
- Transport Pathways of Nitrate Formed from Nocturnal N2O5 Hydrolysis Aloft to the Ground Level in Winter North China Plain X. Zhao et al. 10.1021/acs.est.3c00086
- Exploring the formation mechanism of fine particles in an ex-heavily polluted Northwestern city, China Z. Liu et al. 10.1016/j.scitotenv.2022.161333
- Characteristics of fine particle matter at the top of Shanghai Tower C. Yin et al. 10.5194/acp-23-1329-2023
- Aggravated chemical production of aerosols by regional transport and basin terrain in a heavy PM2.5 pollution episode over central China W. Hu et al. 10.1016/j.atmosenv.2022.119489
- Atmospheric Oxidation Capacity and Its Impact on the Secondary Inorganic Components of PM2.5 in Recent Years in Beijing: Enlightenment for PM2.5 Pollution Control in the Future W. Chu et al. 10.3390/atmos14081252
- Secondary aerosol formation drives atmospheric particulate matter pollution over megacities (Beijing and Seoul) in East Asia Y. Qiu et al. 10.1016/j.atmosenv.2023.119702
- Online chemical characterization of atmospheric fine secondary aerosols and organic nitrates in summer Nanjing, China J. Xian et al. 10.1016/j.atmosres.2023.106783
- Significantly mitigating PM2.5 pollution level via reduction of NOx emission during wintertime S. Fu et al. 10.1016/j.scitotenv.2023.165350
- Seasonal modeling analysis of nitrate formation pathways in Yangtze River Delta region, China J. Sun et al. 10.5194/acp-22-12629-2022
- Aerosol liquid water in PM2.5 and its roles in secondary aerosol formation at a regional site of Yangtze River Delta R. Shi et al. 10.1016/j.jes.2023.04.030
- Budget of atmospheric nitrous acid (HONO) during the haze and clean periods in Shanghai: Importance of heterogeneous reactions J. Feng et al. 10.1016/j.scitotenv.2023.165717
12 citations as recorded by crossref.
- Foreign emissions exacerbate PM2.5 pollution in China through nitrate chemistry J. Xu et al. 10.5194/acp-23-4149-2023
- Transport Pathways of Nitrate Formed from Nocturnal N2O5 Hydrolysis Aloft to the Ground Level in Winter North China Plain X. Zhao et al. 10.1021/acs.est.3c00086
- Exploring the formation mechanism of fine particles in an ex-heavily polluted Northwestern city, China Z. Liu et al. 10.1016/j.scitotenv.2022.161333
- Characteristics of fine particle matter at the top of Shanghai Tower C. Yin et al. 10.5194/acp-23-1329-2023
- Aggravated chemical production of aerosols by regional transport and basin terrain in a heavy PM2.5 pollution episode over central China W. Hu et al. 10.1016/j.atmosenv.2022.119489
- Atmospheric Oxidation Capacity and Its Impact on the Secondary Inorganic Components of PM2.5 in Recent Years in Beijing: Enlightenment for PM2.5 Pollution Control in the Future W. Chu et al. 10.3390/atmos14081252
- Secondary aerosol formation drives atmospheric particulate matter pollution over megacities (Beijing and Seoul) in East Asia Y. Qiu et al. 10.1016/j.atmosenv.2023.119702
- Online chemical characterization of atmospheric fine secondary aerosols and organic nitrates in summer Nanjing, China J. Xian et al. 10.1016/j.atmosres.2023.106783
- Significantly mitigating PM2.5 pollution level via reduction of NOx emission during wintertime S. Fu et al. 10.1016/j.scitotenv.2023.165350
- Seasonal modeling analysis of nitrate formation pathways in Yangtze River Delta region, China J. Sun et al. 10.5194/acp-22-12629-2022
- Aerosol liquid water in PM2.5 and its roles in secondary aerosol formation at a regional site of Yangtze River Delta R. Shi et al. 10.1016/j.jes.2023.04.030
- Budget of atmospheric nitrous acid (HONO) during the haze and clean periods in Shanghai: Importance of heterogeneous reactions J. Feng et al. 10.1016/j.scitotenv.2023.165717
Latest update: 25 Sep 2023
Short summary
Particulate nitrate plays an important role in wintertime haze pollution in eastern China, yet quantitative constraints on detailed nitrate formation mechanisms remain limited. Here we quantified the contributions of the heterogeneous N2O5 hydrolysis (66 %) and gas-phase OH + NO2 reaction (32 %) to nitrate formation in this region and identified the atmospheric oxidation capacity (i.e., availability of O3 and OH radicals) as the driving factor of nitrate formation from both processes.
Particulate nitrate plays an important role in wintertime haze pollution in eastern China, yet...
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