The impact of chlorine chemistry combined with heterogeneous N<sub>2</sub>O<sub>5</sub> reactions on air quality in China
Abstract N 2 O 5 N 2 O 5 + Cl chemistry) plays a key role in chlorine activation, NO x O 3 PM 2.5 N 2 O 5 + Cl chemistry (i.e., the uptake coefficient of N 2 O 5 γ N 2 O 5 ClNO 2 φ ClNO 2)) to investigate the impacts of chlorine chemistry on air quality in China, the role of the heterogeneous N 2 O 5 + Cl chemistry, and the sensitivity of air pollution formation to chlorine emissions and parameterizations for γ N 2 O 5 φ ClNO 2 N 2 O 5 ClNO 2 N 2 O 5 + Cl chemistry relative to the default model. The simulations show that total tropospheric chlorine chemistry could increase annual mean maximum daily 8 h average (MDA8) O 3 ppbv but decrease PM 2.5 µ g m - 3 in China, 83 % and 90 % of which could be attributed to the effect of the heterogeneous N 2 O 5 + Cl chemistry. The heterogeneous uptake of N 2 O 5 N 2 O 5 O 3 N 2 O 5 + Cl chemistry. With the additional chlorine emissions, the simulations show that annual MDA8 O 3 ppbv. The corresponding effect on PM 2.5 µ g m - 3 in the North China Plain but a decrease of up to 3.7 µ g m - 3 in the Sichuan Basin. On the other hand, even with the same chlorine emissions, the effects on MDA8 O 3 PM 2.5 in China could differ by 48 % and 27 %, respectively, between different parameterizations.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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The impact of chlorine chemistry combined with heterogeneous N2O5 reactions on air quality in China ; volume:22 ; number:6 ; year:2022 ; pages:3743-3762 ; extent:20
Atmospheric chemistry and physics ; 22, Heft 6 (2022), 3743-3762 (gesamt 20)
- Creator
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Yang, Xiajie
Wang, Qiaoqiao
Ma, Nan
Hu, Weiwei
Gao, Yang
Huang, Zhijiong
Zheng, Junyu
Yuan, Bin
Yang, Ning
Tao, Jiangchuan
Hong, Juan
Cheng, Yafang
Su, Hang
- DOI
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10.5194/acp-22-3743-2022
- URN
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urn:nbn:de:101:1-2022032404265864748949
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:20 AM CEST
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Associated
- Yang, Xiajie
- Wang, Qiaoqiao
- Ma, Nan
- Hu, Weiwei
- Gao, Yang
- Huang, Zhijiong
- Zheng, Junyu
- Yuan, Bin
- Yang, Ning
- Tao, Jiangchuan
- Hong, Juan
- Cheng, Yafang
- Su, Hang
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Impact of non-ideality on reconstructing spatial and temporal variations of aerosol acidity with multiphase buffer theory
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