Articles | Volume 22, issue 11
https://doi.org/10.5194/acp-22-7489-2022
© 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-22-7489-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
10 Jun 2022
Research article |
| 10 Jun 2022
| 10 Jun 2022
Distribution and stable carbon isotopic composition of dicarboxylic acids, ketocarboxylic acids and α-dicarbonyls in fresh and aged biomass burning aerosols
Minxia Shen
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
University of Chinese Academy of Sciences, Beijing, China
Kin Fai Ho
The Jockey Club School of Public Health and Primary Care, The Chinese
University of Hong Kong, Hong Kong, China
Shenzhen Municipal Key Laboratory for Health Risk Analysis, Shenzhen
Research Institute, The Chinese University of Hong Kong, Shenzhen, China
Wenting Dai
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Suixin Liu
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Ting Zhang
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Qiyuan Wang
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Jingjing Meng
School of Geography and the Environment, Liaocheng University,
Liaocheng 252000, China
Judith C. Chow
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Division of Atmospheric Sciences, Desert of Research Institute, Reno, Nevada, USA
John G. Watson
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Division of Atmospheric Sciences, Desert of Research Institute, Reno, Nevada, USA
Junji Cao
CORRESPONDING AUTHOR
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
CAS Center for Excellence in Quaternary Science and Global Change,
Xi'an 710061, China
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Jie Tian, Qiyuan Wang, Huikun Liu, Yongyong Ma, Suixin Liu, Yong Zhang, Weikang Ran, Yongming Han, and Junji Cao
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Mengdi Song, Xin Li, Suding Yang, Xuena Yu, Songxiu Zhou, Yiming Yang, Shiyi Chen, Huabin Dong, Keren Liao, Qi Chen, Keding Lu, Ningning Zhang, Junji Cao, Limin Zeng, and Yuanhang Zhang
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Jiarui Wu, Naifang Bei, Yuan Wang, Xia Li, Suixin Liu, Lang Liu, Ruonan Wang, Jiaoyang Yu, Tianhao Le, Min Zuo, Zhenxing Shen, Junji Cao, Xuexi Tie, and Guohui Li
Atmos. Chem. Phys., 21, 2229–2249, https://doi.org/10.5194/acp-21-2229-2021, https://doi.org/10.5194/acp-21-2229-2021, 2021
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A source-oriented version of the WRF-Chem model is developed to conduct source identification of wintertime PM2.5 in the North China Plain. Trans-boundary transport of air pollutants generally dominates the haze pollution in Beijing and Tianjin. The air quality in Hebei, Shandong, and Shanxi is generally controlled by local emissions. Primary aerosol species, such as EC and POA, are generally controlled by local emissions, while secondary aerosol shows evident regional characteristics.
Huikun Liu, Qiyuan Wang, Li Xing, Yong Zhang, Ting Zhang, Weikang Ran, and Junji Cao
Atmos. Chem. Phys., 21, 973–987, https://doi.org/10.5194/acp-21-973-2021, https://doi.org/10.5194/acp-21-973-2021, 2021
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Pragati Rai, Jay G. Slowik, Markus Furger, Imad El Haddad, Suzanne Visser, Yandong Tong, Atinderpal Singh, Günther Wehrle, Varun Kumar, Anna K. Tobler, Deepika Bhattu, Liwei Wang, Dilip Ganguly, Neeraj Rastogi, Ru-Jin Huang, Jaroslaw Necki, Junji Cao, Sachchida N. Tripathi, Urs Baltensperger, and André S. H. Prévôt
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We present a simple conceptual framework based on elemental size distributions and enrichment factors that allows for a characterization of major sources, site-to-site similarities, and local differences and the identification of key information required for efficient policy development. Absolute concentrations are by far the highest in Delhi, followed by Beijing, and then the European cities.
Haiyan Ni, Ru-Jin Huang, Max M. Cosijn, Lu Yang, Jie Guo, Junji Cao, and Ulrike Dusek
Atmos. Chem. Phys., 20, 16041–16053, https://doi.org/10.5194/acp-20-16041-2020, https://doi.org/10.5194/acp-20-16041-2020, 2020
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We investigated sources of carbonaceous aerosols in Beijing and Xi'an during severe winter haze. Elemental carbon (EC) was dominated by vehicle emissions in Xi’an and coal burning in Beijing. Organic carbon (OC) increment during haze days was driven by the increase in primary and secondary OC (SOC). SOC was more from fossil sources in Beijing than Xi’an, especially during haze days. In Xi’an, no strong day–night differences in EC or OC sources suggest a large accumulation of particles.
Qiyuan Wang, Huikun Liu, Ping Wang, Wenting Dai, Ting Zhang, Youzhi Zhao, Jie Tian, Wenyan Zhang, Yongming Han, and Junji Cao
Atmos. Chem. Phys., 20, 15537–15549, https://doi.org/10.5194/acp-20-15537-2020, https://doi.org/10.5194/acp-20-15537-2020, 2020
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Light-absorbing carbonaceous (LAC) aerosol is an important influencing factor for global climate forcing. In this study, we used a receptor model coupling multi-wavelength absorption with chemical species to explore the source-specific LAC optical properties at a tropical marine monsoon climate zone. The results can improve our understanding of the LAC radiative effects caused by ship emissions.
Qiyuan Wang, Li Li, Jiamao Zhou, Jianhuai Ye, Wenting Dai, Huikun Liu, Yong Zhang, Renjian Zhang, Jie Tian, Yang Chen, Yunfei Wu, Weikang Ran, and Junji Cao
Atmos. Chem. Phys., 20, 15427–15442, https://doi.org/10.5194/acp-20-15427-2020, https://doi.org/10.5194/acp-20-15427-2020, 2020
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Recently, China has promulgated a series of regulations to reduce air pollutants. The decreased black carbon (BC) and co-emitted pollutants could affect the interactions between BC and other aerosols, which in turn results in changes in BC. Herein, we re-assessed the characteristics of BC of a representative pollution site in northern China in the final year of the Chinese
Action Plan for the Prevention and Control of Air Pollution.
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Short summary
Looking at characteristics and δ13C compositions of dicarboxylic acids and related compounds in BB aerosols, we used a combined combustion and aging system to generate fresh and aged aerosols from burning straw. The results showed the emission factors (EFaged) of total diacids of aging experiments were around an order of magnitude higher than EFfresh. This meant that dicarboxylic acids are involved with secondary photochemical processes in the atmosphere rather than primary emissions from BB.
Looking at characteristics and δ13C compositions of dicarboxylic acids and related compounds in...
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