Articles | Volume 18, issue 19
https://doi.org/10.5194/acp-18-14623-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-14623-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Oct 2018
Research article |
| 12 Oct 2018
| 12 Oct 2018
Time-dependent entrainment of smoke presents an observational challenge for assessing aerosol–cloud interactions over the southeast Atlantic Ocean
Department of Atmospheric Sciences, University of Washington, Seattle, Washington, USA
Amie Dobracki
Department of Oceanography, University of Hawai'i at Mānoa, Honolulu, Hawai'i, USA
Steffen Freitag
Department of Oceanography, University of Hawai'i at Mānoa, Honolulu, Hawai'i, USA
Jennifer D. Small Griswold
Department of Atmospheric Sciences, University of Hawai'i at Mānoa, Honolulu, Hawai'i, USA
Ashley Heikkila
Department of Atmospheric Sciences, University of Hawai'i at Mānoa, Honolulu, Hawai'i, USA
Steven G. Howell
Department of Oceanography, University of Hawai'i at Mānoa, Honolulu, Hawai'i, USA
Mary E. Kacarab
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
James R. Podolske
NASA Ames Research Center, Moffett Field, California, USA
Pablo E. Saide
Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, California, USA
National Center for Atmospheric Research, Boulder, Colorado, USA
Robert Wood
Department of Atmospheric Sciences, University of Washington, Seattle, Washington, USA
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45 citations as recorded by crossref.
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- On the relationship between cloud water composition and cloud droplet number concentration A. MacDonald et al. 10.5194/acp-20-7645-2020
- Anthropogenic emissions from South Asia reverses the aerosol indirect effect over the northern Indian Ocean S. Jose et al. 10.1038/s41598-020-74897-x
- Current status of aerosol-cloud interactions and their impact over the Northern Indian Ocean: A comprehensive review S. Tiwari et al. 10.1016/j.atmosres.2022.106555
- A meteorological overview of the ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS) campaign over the southeastern Atlantic during 2016–2018: Part 2 – Daily and synoptic characteristics J. Ryoo et al. 10.5194/acp-22-14209-2022
- An overview of the ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS) project: aerosol–cloud–radiation interactions in the southeast Atlantic basin J. Redemann et al. 10.5194/acp-21-1507-2021
- Impact of the variability in vertical separation between biomass burning aerosols and marine stratocumulus on cloud microphysical properties over the Southeast Atlantic S. Gupta et al. 10.5194/acp-21-4615-2021
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- Synoptic-scale controls of fog and low-cloud variability in the Namib Desert H. Andersen et al. 10.5194/acp-20-3415-2020
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- Dilution of Boundary Layer Cloud Condensation Nucleus Concentrations by Free Tropospheric Entrainment During Marine Cold Air Outbreaks F. Tornow et al. 10.1029/2022GL098444
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- The Observed Structure and Precipitation Characteristics of Southeast Atlantic Stratocumulus from Airborne Radar during ORACLES 2016–17 A. Dzambo et al. 10.1175/JAMC-D-19-0032.1
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- Modeling the smoky troposphere of the southeast Atlantic: a comparison to ORACLES airborne observations from September of 2016 Y. Shinozuka et al. 10.5194/acp-20-11491-2020
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- Ultra-clean and smoky marine boundary layers frequently occur in the same season over the southeast Atlantic S. Pennypacker et al. 10.5194/acp-20-2341-2020
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- Cloud adjustments dominate the overall negative aerosol radiative effects of biomass burning aerosols in UKESM1 climate model simulations over the south-eastern Atlantic H. Che et al. 10.5194/acp-21-17-2021
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- A meteorological overview of the ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS) campaign over the southeastern Atlantic during 2016–2018: Part 1 – Climatology J. Ryoo et al. 10.5194/acp-21-16689-2021
- Modeled and observed properties related to the direct aerosol radiative effect of biomass burning aerosol over the southeastern Atlantic S. Doherty et al. 10.5194/acp-22-1-2022
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- Impacts of long-range transport of aerosols on marine-boundary-layer clouds in the eastern North Atlantic Y. Wang et al. 10.5194/acp-20-14741-2020
- The diurnal cycle of the smoky marine boundary layer observed during August in the remote southeast Atlantic J. Zhang & P. Zuidema 10.5194/acp-19-14493-2019
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- Effects of Biomass Burning on Stratocumulus Droplet Characteristics, Drizzle Rate, and Composition A. Hossein Mardi et al. 10.1029/2019JD031159
- Intercomparison of airborne and surface-based measurements during the CLARIFY, ORACLES and LASIC field experiments P. Barrett et al. 10.5194/amt-15-6329-2022
Discussed (final revised paper)
Latest update: 24 Apr 2024
Short summary
Smoke from Africa can mix into clouds over the southeast Atlantic and create new droplets, which brightens the clouds, reflects more sunlight, and thus cools the region. Using aircraft data from a NASA field campaign, we find that cloud properties are correlated with smoke as expected when the smoke is below the clouds but not when smoke is above the clouds because it takes several days for clouds to mix smoke downward. We recommend methods that can track clouds as they move for future studies.
Smoke from Africa can mix into clouds over the southeast Atlantic and create new droplets, which...
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Final-revised paper
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