Articles | Volume 22, issue 4
https://doi.org/10.5194/acp-22-2937-2022
https://doi.org/10.5194/acp-22-2937-2022
Research article
 | 
03 Mar 2022
Research article |  | 03 Mar 2022

The effect of BC on aerosol–boundary layer feedback: potential implications for urban pollution episodes

Jessica Slater, Hugh Coe, Gordon McFiggans, Juha Tonttila, and Sami Romakkaniemi

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Latest update: 23 Apr 2024
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Short summary
This paper shows the specific impact of black carbon (BC) on the aerosol–planetary boundary layer (PBL) feedback and its influence on a Beijing haze episode. Overall, this paper shows that strong temperature inversions prevent BC heating within the PBL from significantly increasing PBL height, while BC above the PBL suppresses PBL development significantly through the day. From this we suggest a method by which both locally and regionally emitted BC may impact urban pollution episodes.
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