Articles | Volume 24, issue 8
https://doi.org/10.5194/acp-24-4591-2024
https://doi.org/10.5194/acp-24-4591-2024
Research article
 | 
18 Apr 2024
Research article |  | 18 Apr 2024

Comparing the simulated influence of biomass burning plumes on low-level clouds over the southeastern Atlantic under varying smoke conditions

Alejandro Baró Pérez, Michael S. Diamond, Frida A.-M. Bender, Abhay Devasthale, Matthias Schwarz, Julien Savre, Juha Tonttila, Harri Kokkola, Hyunho Lee, David Painemal, and Annica M. L. Ekman

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Cited articles

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Baró Pérez, A., Devasthale, A., Bender, F. A.-M., and Ekman, A. M. L.: Impact of smoke and non-smoke aerosols on radiation and low-level clouds over the southeast Atlantic from co-located satellite observations, Atmos. Chem. Phys., 21, 6053–6077, https://doi.org/10.5194/acp-21-6053-2021, 2021. a, b
Baró Pérez, A., Diamond, M. S., Bender, F. A.-M., Devasthale, A., Schwarz, M., Savre, J., Tonttila, J., Kokkola, H., Lee, H., Painemal, D., and Ekman, A. M. L.: Model data from a study on the influence of biomass burning aerosol plumes on low-level clouds over the Southeastern Atlantic, Dataset version 1, Bolin Centre Database [data set], https://doi.org/10.17043/baro-perez-2023-biomass-burning-1, 2023 a
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We use a numerical model to study interactions between humid light-absorbing aerosol plumes, clouds, and radiation over the southeast Atlantic. We find that the warming produced by the aerosols reduces cloud cover, especially in highly polluted situations. Aerosol impacts on drizzle play a minor role. However, aerosol effects on cloud reflectivity and moisture-induced changes in cloud cover dominate the climatic response and lead to an overall cooling by the biomass burning plumes.
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