Articles | Volume 23, issue 5
https://doi.org/10.5194/acp-23-3065-2023
© Author(s) 2023. 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-23-3065-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Mar 2023
Research article |
| 09 Mar 2023
| 09 Mar 2023
Characteristics and degradation of organic aerosols from cooking sources based on hourly observations of organic molecular markers in urban environments
Rui Li
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Kun Zhang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Qing Li
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Liumei Yang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Shunyao Wang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Zhiqiang Liu
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Jiangsu Changhuan Environment Technology Co., Ltd., Jiangsu, Changzhou, 213004, China
Xiaojuan Zhang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Jiangsu Changhuan Environment Technology Co., Ltd., Jiangsu, Changzhou, 213004, China
Hui Chen
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Yanan Yi
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Jialiang Feng
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Qiongqiong Wang
School of Environmental Studies, China University of Geosciences,
Wuhan, 430074, China
Ling Huang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Wu Wang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Yangjun Wang
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
Jian Zhen Yu
Department of Chemistry, Hong Kong University of Science and
Technology, Hong Kong SAR, 999077, China
Division of Environment and Sustainability, Hong Kong University of
Science and Technology, Hong Kong SAR, 999077, China
School of Environmental and Chemical Engineering, Shanghai
University, Shanghai, 200444, China
Key Laboratory of Organic Compound Pollution Control Engineering
(MOE), Shanghai University, Shanghai, 200444, China
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Rongshuang Xu, Sze In Madeleine Ng, Wing Sze Chow, Yee Ka Wong, Yuchen Wang, Donger Lai, Zhongping Yao, Pui-Kin So, Jian Zhen Yu, and Man Nin Chan
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Kun Zhang, Zhiqiang Liu, Xiaojuan Zhang, Qing Li, Andrew Jensen, Wen Tan, Ling Huang, Yangjun Wang, Joost de Gouw, and Li Li
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Kun Zhang, Ling Huang, Qing Li, Juntao Huo, Yusen Duan, Yuhang Wang, Elly Yaluk, Yangjun Wang, Qingyan Fu, and Li Li
Atmos. Chem. Phys., 21, 5905–5917, https://doi.org/10.5194/acp-21-5905-2021, https://doi.org/10.5194/acp-21-5905-2021, 2021
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Recently, high O3 concentrations were frequently observed in rural areas of the Yangtze River Delta (YRD) region under stagnant conditions. Using an online measurement and observation-based model, we investigated the budget of ROx radicals and the influence of isoprene chemistry on O3 formation. Our results underline that isoprene chemistry in the rural atmosphere becomes important with the participation of anthropogenic NOx.
Yao Wang, Yue Zhao, Yuchen Wang, Jian-Zhen Yu, Jingyuan Shao, Ping Liu, Wenfei Zhu, Zhen Cheng, Ziyue Li, Naiqiang Yan, and Huayun Xiao
Atmos. Chem. Phys., 21, 2959–2980, https://doi.org/10.5194/acp-21-2959-2021, https://doi.org/10.5194/acp-21-2959-2021, 2021
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Organosulfates (OSs) are important constituents and tracers of secondary organic aerosols (SOAs) in the atmosphere. Here we characterized the OS species in ambient aerosols in Shanghai, China. We find that the contributions of OSs and SOAs to organic aerosols have increased in recent years and that OS production was largely controlled by the oxidant level (Ox), particularly in summer. We infer that mitigation of Ox pollution can effectively reduce the production of OSs and SOAs in eastern China.
Ling Huang, Yonghui Zhu, Hehe Zhai, Shuhui Xue, Tianyi Zhu, Yun Shao, Ziyi Liu, Chris Emery, Greg Yarwood, Yangjun Wang, Joshua Fu, Kun Zhang, and Li Li
Atmos. Chem. Phys., 21, 2725–2743, https://doi.org/10.5194/acp-21-2725-2021, https://doi.org/10.5194/acp-21-2725-2021, 2021
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Numerical air quality models (AQMs) are being applied extensively to address diverse scientific and regulatory compliance associated with deteriorating air quality in China. For any AQM applications, model performance evaluation is a critical step that guarantees the robustness and reliability of the baseline modeling results and subsequent applications. We provided benchmarks for model performance evaluation of AQM applications in China to demonstrate model robustness.
Yarong Peng, Hongli Wang, Qian Wang, Shengao Jing, Jingyu An, Yaqin Gao, Cheng Huang, Rusha Yan, Haixia Dai, Tiantao Cheng, Qiang Zhang, Meng Li, Li Li, Shengrong Lou, Shikang Tao, Qinyao Hu, Jun Lu, and Changhong Chen
Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2020-1108, https://doi.org/10.5194/acp-2020-1108, 2020
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The evolution of NMHCs emissions and the effectiveness of control measures were investigated based on long term measurements in a megacity of China. Discrepancies between measurements and emission inventories emphasized the need for emission validation both in speciation and sources. Varied trends of NMHCs speciation and sources suggested the differential effect of the past control measures, which provided new insights into future clean air policies in polluted region including China.
Rui Li, Qiongqiong Wang, Xiao He, Shuhui Zhu, Kun Zhang, Yusen Duan, Qingyan Fu, Liping Qiao, Yangjun Wang, Ling Huang, Li Li, and Jian Zhen Yu
Atmos. Chem. Phys., 20, 12047–12061, https://doi.org/10.5194/acp-20-12047-2020, https://doi.org/10.5194/acp-20-12047-2020, 2020
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Short summary
Molecular markers in organic aerosol (OA) provide specific source information on PM2.5, and the contribution of cooking emissions to OA is significant, especially in urban environments. This study investigates the variation in concentrations and oxidative degradation of fatty acids and corresponding oxidation products in ambient air, which can be a guide for the refinement of aerosol source apportionment and provide scientific support for the development of emission source control policies.
Molecular markers in organic aerosol (OA) provide specific source information on PM2.5, and the...
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