Cloud adjustments dominate the overall negative aerosol radiative effects of biomass burning aerosols in UKESM1 climate model simulations over the south-eastern Atlantic

Che, Haochi; Stier, Philip; Gordon, Hamish; Watson-Parris, Duncan; Deaconu, Lucia

doi:https://doi.org/10.5194/acp-21-17-2021

Articles | Volume 21, issue 1

https://doi.org/10.5194/acp-21-17-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

New observations and related modelling studies of the aerosol–cloud–climate...

https://doi.org/10.5194/acp-21-17-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 1

Research article

|

04 Jan 2021

Research article |

| 04 Jan 2021

Cloud adjustments dominate the overall negative aerosol radiative effects of biomass burning aerosols in UKESM1 climate model simulations over the south-eastern Atlantic

Haochi Che, Philip Stier, Hamish Gordon, Duncan Watson-Parris, and Lucia Deaconu

Supplement

https://doi.org/10.5194/acp-21-17-2021-supplement

Data sets

Cloud adjustments dominate the overall negative aerosol radiative effects of biomass burning aerosols in UKESM1 climate model simulations over the south-eastern Atlantic Haochi Che https://doi.org/10.17632/xdxh8stc48.3

CLARIFY: in-situ airborne observations by the FAAM BAE-146 aircraft Facility for Airborne Atmospheric Measurements, Natural Envi- ronment Research Council, and Met Office http://catalogue.ceda.ac.uk/uuid/38ab7089781a4560b067dd6c20af3769

Suite of Aerosol, Cloud, and Related Data Acquired Aboard P3 During ORACLES 2016 ORACLES Science Team https://doi.org/10.5067/Suborbital/ORACLES/P3/2016_V2

Suite of Aerosol, Cloud, and Related Data Acquired Aboard P3 During ORACLES 2017 ORACLES Science Team https://doi.org/10.5067/Suborbital/ORACLES/P3/2017_V2

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Short summary

The south-eastern Atlantic is semi-permanently covered by some of the largest stratocumulus clouds and is influenced by one-third of the biomass burning emissions from African fires. A UKEMS1 model simulation shows that the absorption effect of biomass burning aerosols is the most significant on clouds and radiation. The dominate cooling and rapid adjustments induced by the radiative effects of biomass burning aerosols result in an overall cooling in the south-eastern Atlantic.