Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
Articles | Volume 22, issue 1
Articles | Volume 22, issue 1
Atmos. Chem. Phys., 22, 561–575, 2022
https://doi.org/10.5194/acp-22-561-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 22, 561–575, 2022
https://doi.org/10.5194/acp-22-561-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 1
Measurement report
14 Jan 2022
Measurement report | 14 Jan 2022

Measurement report: Long-term changes in black carbon and aerosol optical properties from 2012 to 2020 in Beijing, China

Jiaxing Sun et al.

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Latest update: 08 Aug 2022
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Short summary
We analyzed 9-year measurements of BC and aerosol optical properties from 2012 to 2020 in Beijing, China. Our results showed large reductions in BC and light extinction coefficient due to the Clean Air Action Plan. As a response, both SSA and mass extinction efficiency (MEE) showed considerable increases, demonstrating a future challenge in visibility improvement. The primary and secondary BrC was also separated and quantified, and the changes in radiative forcing of BC and BrC were estimated.
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