Articles | Volume 24, issue 13
https://doi.org/10.5194/acp-24-7755-2024
© Author(s) 2024. 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-24-7755-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The water-insoluble organic carbon in PM2.5 of typical Chinese urban areas: light-absorbing properties, potential sources, radiative forcing effects, and a possible light-absorbing continuum
Yangzhi Mo
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
Guangcai Zhong
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
Sanyuan Zhu
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
Shizhen Zhao
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
Jiao Tang
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
Hongxing Jiang
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, China
Zhineng Cheng
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
Chongguo Tian
Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
Yingjun Chen
Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, China
Gan Zhang
CORRESPONDING AUTHOR
State Key Laboratory of Organic Geochemistry and Guangdong province Key Laboratory of Environmental Protection and Guangdong–Hong Kong–Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
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Cited
6 citations as recorded by crossref.
- Direct Observation of Liquid–Liquid Phase Separation and Core–Shell Morphology of PM2.5 Collected from Three Northeast Asian Cities and Implications for N2O5 Hydrolysis M. Song et al. https://doi.org/10.1021/acsestair.5c00043
- Measurement report: Optical properties of carbonaceous aerosols modulated by source variations of spring haze Y. Cheng et al. https://doi.org/10.5194/acp-26-6541-2026
- Multi-year measurements reveal seasonally contrasting optical properties of water-soluble and water-insoluble brown carbon over Seoul H. Park et al. https://doi.org/10.1016/j.atmosres.2026.109413
- Optical properties and source apportionment of HULIS in a tropical megacity: Implications for brown carbon dynamics in Bangkok X. Wang et al. https://doi.org/10.1016/j.uclim.2026.102799
- Molecular-Specific Aromatic Compounds Absorption Drives Divergent Radiative Forcing in High-Altitude Air and Snow over the Tibetan Plateau X. Wu et al. https://doi.org/10.1021/acs.est.5c16974
- Recent progress in the application of organic isotopes in environmental geochemistry of the Anthropocene B. Xu et al. https://doi.org/10.1016/j.apgeochem.2026.106760
6 citations as recorded by crossref.
- Direct Observation of Liquid–Liquid Phase Separation and Core–Shell Morphology of PM2.5 Collected from Three Northeast Asian Cities and Implications for N2O5 Hydrolysis M. Song et al. https://doi.org/10.1021/acsestair.5c00043
- Measurement report: Optical properties of carbonaceous aerosols modulated by source variations of spring haze Y. Cheng et al. https://doi.org/10.5194/acp-26-6541-2026
- Multi-year measurements reveal seasonally contrasting optical properties of water-soluble and water-insoluble brown carbon over Seoul H. Park et al. https://doi.org/10.1016/j.atmosres.2026.109413
- Optical properties and source apportionment of HULIS in a tropical megacity: Implications for brown carbon dynamics in Bangkok X. Wang et al. https://doi.org/10.1016/j.uclim.2026.102799
- Molecular-Specific Aromatic Compounds Absorption Drives Divergent Radiative Forcing in High-Altitude Air and Snow over the Tibetan Plateau X. Wu et al. https://doi.org/10.1021/acs.est.5c16974
- Recent progress in the application of organic isotopes in environmental geochemistry of the Anthropocene B. Xu et al. https://doi.org/10.1016/j.apgeochem.2026.106760
Saved (final revised paper)
Latest update: 07 Nov 2026
Short summary
In this study, we found that biomass burning (31.0 %) and coal combustion (31.1 %) were the dominant sources of water-insoluble organic carbon in China, with coal combustion sources exhibiting the strongest light-absorbing capacity. Additionally, we propose a light-absorbing carbonaceous continuum, revealing that components enriched with fossil sources tend to have stronger light-absorbing capacity, higher aromaticity, higher molecular weights, and greater recalcitrance in the atmosphere.
In this study, we found that biomass burning (31.0 %) and coal combustion (31.1 %) were the...
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