Articles | Volume 22, issue 13
https://doi.org/10.5194/acp-22-8951-2022
© 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-22-8951-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Jul 2022
Research article |
| 12 Jul 2022
| 12 Jul 2022
Budget of nitrous acid (HONO) at an urban site in the fall season of Guangzhou, China
Yihang Yu
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for Online Source
Apportionment System of Air Pollution, Guangzhou 510632, China
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for Online Source
Apportionment System of Air Pollution, Guangzhou 510632, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Huirong Li
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for Online Source
Apportionment System of Air Pollution, Guangzhou 510632, China
Wenda Yang
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for Online Source
Apportionment System of Air Pollution, Guangzhou 510632, China
Baobin Han
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for Online Source
Apportionment System of Air Pollution, Guangzhou 510632, China
Wei Song
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Weiwei Hu
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Xinming Wang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Min Shao
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Zhijiong Huang
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Zhen Li
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Junyu Zheng
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Guangdong–Hong Kong–Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Haichao Wang
School of Atmospheric Sciences, Sun Yat-Sen University, Zhuhai, China
Xiaofang Yu
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for Online Source
Apportionment System of Air Pollution, Guangzhou 510632, China
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Latest update: 23 Nov 2025
Short summary
We have investigated the budget of HONO at an urban site in Guangzhou. Budget and comprehensive uncertainty analysis suggest that at such locations as ours, HONO direct emissions and NO + OH can become comparable or even surpass other HONO sources that typically receive greater attention and interest, such as the NO2 heterogeneous source and the unknown daytime photolytic source. Our findings emphasize the need to reduce the uncertainties of both conventional and novel HONO sources and sinks.
We have investigated the budget of HONO at an urban site in Guangzhou. Budget and comprehensive...
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