Articles | Volume 20, issue 16
https://doi.org/10.5194/acp-20-10073-2020
https://doi.org/10.5194/acp-20-10073-2020
Research article
 | 
28 Aug 2020
Research article |  | 28 Aug 2020

Radiative heating rate profiles over the southeast Atlantic Ocean during the 2016 and 2017 biomass burning seasons

Allison B. Marquardt Collow, Mark A. Miller, Lynne C. Trabachino, Michael P. Jensen, and Meng Wang

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Cited articles

Ackerman, A. S., Toon, O. B., Stevens, D. E., Heymsfield, A. J., Ramanathan, V., and Welton, E. J.: Reduction of Tropical Cloudiness by Soot, Science, 288, 1042–1047, https://doi.org/10.1126/science.288.5468.1042, 2000. 
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Adebiyi, A. A., Zuidema, P., and Abel, S. J.: The Convolution of Dynamics and Moisture with the Presence of Shortwave Absorbing Aerosols over the Southeast Atlantic, J. Climate, 28, 1997–2024, https://doi.org/10.1175/JCLI-D-14-00352.1, 2015. 
Atmospheric Radiation Measurement (ARM) Climate Research Facility: Interpolated Sonde (INTERPOLATEDSONDE), 2016-08-01 to 2016-10-30, ARM Mobile Facility (ASI) Airport Site, Ascension Island, South Atlantic Ocean; Supplemental Site (S1), compiled by: Giangrande, S. and Toto, T., Atmospheric Radiation Measurement (ARM) Climate Research Facility Data Archive: Oak Ridge, Tennessee, USA, https://doi.org/10.5439/1095316, 2016a. 
Atmospheric Radiation Measurement (ARM) Climate Research Facility: Interpolated Sonde (INTERPOLATEDSONDE), 2017-08-01 to 2017-10-30, ARM Mobile Facility (ASI) Airport Site, Ascension Island, South Atlantic Ocean; Supplemental Site (S1), compiled by: Giangrande, S. and Toto, T., Atmospheric Radiation Measurement (ARM) Climate Research Facility Data Archive: Oak Ridge, Tennessee, USA, https://doi.org/10.5439/1095316, 2016b. 
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Short summary
Uncertainties in marine boundary layer clouds arise in the presence of biomass burning aerosol, as is the case over the southeast Atlantic Ocean. Heating due to this aerosol has the potential to alter the thermodynamic profile as the aerosol is transported across the Atlantic Ocean. Radiation transfer experiments indicate local shortwave aerosol heating is ~2–8 K d−1; however uncertainties in this quantity exist due to the single-scattering albedo and back trajectories of the aerosol plume.
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