Articles | Volume 22, issue 11
https://doi.org/10.5194/acp-22-7619-2022
© 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-22-7619-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Jun 2022
Research article |
| 13 Jun 2022
| 13 Jun 2022
The chemical composition and mixing state of BC-containing particles and the implications on light absorption enhancement
Jiaxing Sun
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
Center for Excellence in Regional Atmospheric Environment, Institute
of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
Conghui Xie
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
now at: State Key Joint Laboratory of Environmental Simulation and
Pollution Control, College of Environmental Sciences and Engineering, Peking
University, Beijing 100871, China
Weiqi Xu
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
Chun Chen
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Xubing Du
Institute of Mass Spectrometry and Atmospheric Environment, Jinan
University, Guangzhou 510632, China
Guangdong Provincial Engineering Research Center for On-Line Source
Apportionment System of Air Pollution, Guangzhou 510632, China
Fugui Huang
Guangzhou Hexin Analytical Instrument Company Limited, Guangzhou
510530, China
Yan Li
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
Zhijie Li
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
Xiaole Pan
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
Nan Ma
Institute for Environmental and Climate Research, Jinan University,
Guangzhou 511443, China
Wanyun Xu
State Key Laboratory of Severe Weather & Key Laboratory for
Atmospheric Chemistry, Institute of Atmospheric Composition, Chinese Academy
of Meteorological Sciences, Beijing 100081, China
Pingqing Fu
Institute of Surface-Earth System Science, Tianjin University, Tianjin
300072, China
Zifa Wang
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy
of Sciences, Beijing 100049, China
Center for Excellence in Regional Atmospheric Environment, Institute
of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
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Short summary
We analyzed the chemical composition and mixing state of BC-containing particles at urban and rural sites in winter in the North China Plain and evaluated their impact on light absorption enhancement. BC was dominantly mixed with organic carbon, nitrate, and sulfate, and the mixing state evolved significantly as a function of relative humidity (RH) at both sites. The absorption enhancement depended strongly on coated secondary inorganic aerosol and was up to ~1.3–1.4 during aging processes.
We analyzed the chemical composition and mixing state of BC-containing particles at urban and...
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