Overview of aerosol optical properties over southern West Africa from DACCIWA aircraft measurements

Denjean, Cyrielle; Bourrianne, Thierry; Burnet, Frederic; Mallet, Marc; Maury, Nicolas; Colomb, Aurélie; Dominutti, Pamela; Brito, Joel; Dupuy, Régis; Sellegri, Karine; Schwarzenboeck, Alfons; Flamant, Cyrille; Knippertz, Peter

doi:https://doi.org/10.5194/acp-20-4735-2020

Articles | Volume 20, issue 8

https://doi.org/10.5194/acp-20-4735-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Results of the project "Dynamics–aerosol–chemistry–cloud...

https://doi.org/10.5194/acp-20-4735-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 8

Research article

|

22 Apr 2020

Research article |

| 22 Apr 2020

Overview of aerosol optical properties over southern West Africa from DACCIWA aircraft measurements

Cyrielle Denjean, Thierry Bourrianne, Frederic Burnet, Marc Mallet, Nicolas Maury, Aurélie Colomb, Pamela Dominutti, Joel Brito, Régis Dupuy, Karine Sellegri, Alfons Schwarzenboeck, Cyrille Flamant, and Peter Knippertz

Data sets

ATR GAS O3, NO, NO2, SO2 A. Colomb and B. Piguet https://baobab.sedoo.fr/Data-Search/?datsId=1738&project_name=DACCIWA

ATR Aerosol Extinction C. Denjean and T. Bourrianne https://baobab.sedoo.fr/Data-Search/?datsId=1695&project_name=DACCIWA

ATR Aerosol OPC C. Denjean and T. Bourrianne https://baobab.sedoo.fr/Data-Search/?datsId=1708&project_name=DACCIWA

ATR GAS CO2, CH4, CO M. Ramonet, B. Piquet, and L. Hazan https://baobab.sedoo.fr/Data-Search/?datsId=1745&project_name=DACCIWA

ATR Aerosol Absorption A. Schwarzenboeck and R. Dupuy https://baobab.sedoo.fr/Data-Search/?datsId=1716&project_name=DACCIWA

ATR Aerosol CPC A. Schwarzenboeck and R. Dupuy https://baobab.sedoo.fr/Data-Search/?datsId=1713&project_name=DACCIWA

ATR Aerosol Diffusion A. Schwarzenboeck and R. Dupuy https://baobab.sedoo.fr/Data-Search/?datsId=1715&project_name=DACCIWA

Short summary

This paper presents aircraft measurements of aerosol optical properties over southern West Africa. We show that aerosol optical properties in the boundary layer were dominated by a persistent biomass burning loading from the Southern Hemisphere. Biomass burning aerosols were more light absorbing that those previously measured in other areas (Amazonia, North America). Our study suggests that lens-coated black carbon particles were the dominant absorber for these biomass burning aerosols.