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.
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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37 citations as recorded by crossref.
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- 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
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- Foreign emissions exacerbate PM2.5 pollution in China through nitrate chemistry J. Xu et al. 10.5194/acp-23-4149-2023
- Contribution of anthropogenic emission changes to the evolution of PM2.5 concentrations and composition in the Pearl River Delta during the period of 2006–2020 J. Zhang et al. 10.1016/j.atmosenv.2023.120228
- The response of daytime nitrate formation to source emissions reduction based on chemical kinetic and thermodynamic model Y. Wei et al. 10.1016/j.scitotenv.2024.176002
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- Diagnosing the Sensitivity of Particulate Nitrate to Precursor Emissions Using Satellite Observations of Ammonia and Nitrogen Dioxide R. Dang et al. 10.1029/2023GL105761
- Chemical characteristics and formation mechanism of secondary inorganic aerosols: The decisive role of aerosol acidity and meteorological conditions Y. Ting et al. 10.1016/j.envpol.2024.124472
- Quantification of NO sources contribution to ambient nitrate aerosol, uncertainty analysis and sensitivity analysis in a megacity W. Zhang et al. 10.1016/j.scitotenv.2024.171583
- Assessment major NOx sources to nitrate of TSP around the Danjiangkou reservoir using isotopes and a Bayesian isotope mixing model C. Xiao et al. 10.1016/j.apr.2024.102151
- 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
- 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
- Enhanced formation of nitrogenous organic aerosols and brown carbon after aging in the planetary boundary layer Y. Wu et al. 10.1038/s41612-024-00726-x
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- Chemical characteristics and formation mechanisms of PM2.5 during wintertime in two cities with different industrial structures in the Sichuan Basin, China N. Wang et al. 10.1016/j.jclepro.2024.142618
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Latest update: 23 Nov 2024
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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