Articles | Volume 22, issue 7
https://doi.org/10.5194/acp-22-4827-2022
© 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-22-4827-2022
© 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 Apr 2022
Research article |
| 12 Apr 2022
The optical properties and in-situ observational evidence for the formation of brown carbon in clouds
Ziyong Guo
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
University of Chinese Academy of Sciences, Beijing 100049, PR China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Yuxiang Yang
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
University of Chinese Academy of Sciences, Beijing 100049, PR China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Xiaodong Hu
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
University of Chinese Academy of Sciences, Beijing 100049, PR China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Xiaocong Peng
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
University of Chinese Academy of Sciences, Beijing 100049, PR China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Yuzhen Fu
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
University of Chinese Academy of Sciences, Beijing 100049, PR China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Wei Sun
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
University of Chinese Academy of Sciences, Beijing 100049, PR China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, PR China
Duohong Chen
State Environmental Protection Key Laboratory of Regional Air Quality Monitoring, Guangdong Environmental Monitoring Center, Guangzhou 510308, PR China
Xinhui Bi
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, PR China
Xinming Wang
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, PR China
Ping'an Peng
State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, PR
China
CAS Center for Excellence in Deep Earth Science, Guangzhou 510640,
PR China
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental
Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy
of Sciences, Guangzhou 510640, PR China
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Latest update: 09 Jun 2023
Short summary
We show that in-cloud aqueous processing facilitates the formation of brown carbon (BrC), based on the simultaneous measurements of the light-absorption properties of the cloud residuals, cloud interstitial, and cloud-free particles. While extensive laboratory evidence indicated the formation of BrC in aqueous phase, our study represents the first attempt to show the possibility in real clouds, which would have potential implications in the atmospheric evolution and radiation forcing of BrC.
We show that in-cloud aqueous processing facilitates the formation of brown carbon (BrC), based...
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