Direct and semi-direct radiative forcing of biomass-burning  aerosols over the southeast Atlantic (SEA) and its sensitivity  to absorbing properties: a regional climate modeling study

Mallet, Marc; Solmon, Fabien; Nabat, Pierre; Elguindi, Nellie; Waquet, Fabien; Bouniol, Dominique; Sayer, Andrew Mark; Meyer, Kerry; Roehrig, Romain; Michou, Martine; Zuidema, Paquita; Flamant, Cyrille; Redemann, Jens; Formenti, Paola

doi:https://doi.org/10.5194/acp-20-13191-2020

Articles | Volume 20, issue 21

https://doi.org/10.5194/acp-20-13191-2020

© Author(s) 2020. 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-20-13191-2020

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

Articles | Volume 20, issue 21

Research article

|

10 Nov 2020

Research article |

| 10 Nov 2020

Direct and semi-direct radiative forcing of biomass-burning aerosols over the southeast Atlantic (SEA) and its sensitivity to absorbing properties: a regional climate modeling study

Marc Mallet, Fabien Solmon, Pierre Nabat, Nellie Elguindi, Fabien Waquet, Dominique Bouniol, Andrew Mark Sayer, Kerry Meyer, Romain Roehrig, Martine Michou, Paquita Zuidema, Cyrille Flamant, Jens Redemann, and Paola Formenti

Supplement

https://doi.org/10.5194/acp-20-13191-2020-supplement

Data sets

LAADS DAAC NASA's Goddard Space Flight Center https://ladsweb.modaps.eosdis.nasa.gov/

AERIS ICARE https://doi.org/10.25326/82

Aerosol Climatology version 2, MACv2 Max Planck ftp://ftp-projects.zmaw.de/aerocom/climatology/MACv2_2018/

CM SAF, Climate monitoring EUMETSAT https://www.cmsaf.eu/EN/Products/AvailableProducts/Climate_Data_records Climate_Data_Records_node.html

PIRATA Global Tropical Moored Buoy Array https://www.pmel.noaa.gov/tao/drupal/disdel/

DRAGON FIREX-AQ NASA's Goddard Space Flight Center https://aeronet.gsfc.nasa.gov/

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This paper presents numerical simulations using two regional climate models to study the impact of biomass fire plumes from central Africa on the radiative balance of this region. The results indicate that biomass fires can either warm the regional climate when they are located above low clouds or cool it when they are located above land. They can also alter sea and land surface temperatures by decreasing solar radiation at the surface. Finally, they can also modify the atmospheric dynamics.