Articles | Volume 21, issue 13
https://doi.org/10.5194/acp-21-10589-2021
© Author(s) 2021. 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-21-10589-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Jul 2021
Research article |
| 14 Jul 2021
| 14 Jul 2021
Tracer-based source apportioning of atmospheric organic carbon and the influence of anthropogenic emissions on secondary organic aerosol formation in Hong Kong
Yubo Cheng
State Key Laboratory of Environmental and Biological Analysis,
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong,
Kowloon, Hong Kong, China
Yiqiu Ma
State Key Laboratory of Environmental and Biological Analysis,
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong,
Kowloon, Hong Kong, China
Hong Kong Baptist University Institute of Research and Continuing Education, Shenzhen Virtual
University Park, Shenzhen, 518057, China
State Key Laboratory of Environmental and Biological Analysis,
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong,
Kowloon, Hong Kong, China
Hong Kong Baptist University Institute of Research and Continuing Education, Shenzhen Virtual
University Park, Shenzhen, 518057, China
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- Regional source apportionment of trace metals in fine particulate matter using an observation-constrained hybrid model K. Liao et al. 10.1038/s41612-023-00393-4
- Organic aerosols in the inland Tibetan Plateau: New insights from molecular tracers X. Wan et al. 10.1016/j.scitotenv.2023.163797
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- Analytical methodologies for oxidized organic compounds in the atmosphere A. Tiusanen et al. 10.1039/D3EM00163F
- Characteristics and source apportionment of water-soluble organic nitrogen (WSON) in PM2.5 in Hong Kong: With focus on amines, urea, and nitroaromatic compounds C. Leung et al. 10.1016/j.jhazmat.2024.133899
- Observational evidence reveals the significance of nocturnal chemistry in seasonal secondary organic aerosol formation L. Liu et al. 10.1038/s41612-024-00747-6
- Pollutants from primary sources dominate the oxidative potential of water-soluble PM2.5 in Hong Kong in terms of dithiothreitol (DTT) consumption and hydroxyl radical production Y. Cheng et al. 10.1016/j.jhazmat.2020.124218
16 citations as recorded by crossref.
- Characterization and Source Apportionment Analysis of PM2.5 and Ozone Pollution over Fenwei Plain, China: Insights from PM2.5 Component and VOC Observations L. Xu et al. 10.3390/toxics13020123
- Kinetics, SOA yields, and chemical composition of secondary organic aerosol from β-caryophyllene ozonolysis with and without nitrogen oxides between 213 and 313 K L. Gao et al. 10.5194/acp-22-6001-2022
- The origin of potential precursors of secondary organic aerosols during combustion of biochar and softwood in residential heating J. Růžičková et al. 10.1016/j.psep.2022.03.036
- Measurement report: Effects of anthropogenic emissions and environmental factors on the formation of biogenic secondary organic aerosol (BSOA) in a coastal city of southeastern China Y. Hong et al. 10.5194/acp-22-7827-2022
- A machine learning modelling approach to characterize the background pollution in the Western Macedonia region in northwest Greece K. Rizos et al. 10.1016/j.apr.2023.101877
- Quantitative evaluation for the sources and aging processes of organic aerosols in urban Guangzhou: Insights from a comprehensive method of dual‑carbon isotopes and macro tracers F. Jiang et al. 10.1016/j.scitotenv.2023.164182
- Bayesian inference-based estimation of hourly primary and secondary organic carbon in suburban Hong Kong: multi-temporal-scale variations and evolution characteristics during PM2.5 episodes S. Wang et al. 10.5194/acp-24-5803-2024
- Characteristics and sources of volatile organic compounds (VOCs) in Xinxiang, China, during the 2021 summer ozone pollution control Y. Li et al. 10.1016/j.scitotenv.2022.156746
- Regional source apportionment of trace metals in fine particulate matter using an observation-constrained hybrid model K. Liao et al. 10.1038/s41612-023-00393-4
- Organic aerosols in the inland Tibetan Plateau: New insights from molecular tracers X. Wan et al. 10.1016/j.scitotenv.2023.163797
- PM2.5-Bound Organophosphate Flame Retardants in Hong Kong: Occurrence, Origins, and Source-Specific Health Risks X. Wang et al. 10.1021/acs.est.3c04626
- In situ measurement of organic aerosol molecular markers in urban Hong Kong during a summer period: temporal variations and source apportionment H. Li et al. 10.5194/acp-24-7085-2024
- Polycyclic aromatic hydrocarbons in coarse particles (PM10) over the coastal urban region in Poland: Distribution, source analysis and human health risk implications P. Siudek 10.1016/j.chemosphere.2022.137130
- Analytical methodologies for oxidized organic compounds in the atmosphere A. Tiusanen et al. 10.1039/D3EM00163F
- Characteristics and source apportionment of water-soluble organic nitrogen (WSON) in PM2.5 in Hong Kong: With focus on amines, urea, and nitroaromatic compounds C. Leung et al. 10.1016/j.jhazmat.2024.133899
- Observational evidence reveals the significance of nocturnal chemistry in seasonal secondary organic aerosol formation L. Liu et al. 10.1038/s41612-024-00747-6
Latest update: 30 May 2025
Short summary
We conducted chemical characterization and source apportionment of PM2.5 in Hong Kong. Secondary formation was the leading contributor to organic carbon (OC) throughout the year. NOx processing played a key role in both daytime and nighttime secondary organic aerosol (SOA) production, and monoterpene SOA was the most abundant. Sulfate was positively related to total and secondary sulfate-related OC, and particle acidity was significantly correlated with SOC from aging of biomass burning.
We conducted chemical characterization and source apportionment of PM2.5 in Hong Kong. Secondary...
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