Articles | Volume 16, issue 2
https://doi.org/10.5194/acp-16-971-2016
https://doi.org/10.5194/acp-16-971-2016
Research article
 | 
27 Jan 2016
Research article |  | 27 Jan 2016

Observations of high droplet number concentrations in Southern Ocean boundary layer clouds

T. Chubb, Y. Huang, J. Jensen, T. Campos, S. Siems, and M. Manton

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Cited articles

Bates, T. S., Kapustin, V. N., Quinn, P. K., Covert, D. S., Coffman, D. J., Mari, C., Durkee, P. A., De Bruyn, W. J., and Saltzman, E. S.: Processes controlling the distribution of aerosol particles in the lower marine boundary layer during the First Aerosol Characterization Experiment (ACE 1), J. Geophys. Res.-Atmos., 103, 16369–16383, 1998.
Baumgardner, D. and Korolev, A.: Airspeed corrections for optical array probe sample volumes, J. Atmos. Ocean. Tech., 14, 1224–1229, 1997.
Bennartz, R.: Global assessment of marine boundary layer cloud droplet number concentration from satellite, J. Geophys. Res.-Atmos., 112, D02201, https://doi.org/10.1029/2006JD007547, 2007.
Berg, O. H., Swietlicki, E., and Krejci, R.: Hygroscopic growth of aerosol particles in the marine boundary layer over the Pacific and Southern Oceans during the First Aerosol Characterization Experiment (ACE 1), J. Geophys. Res.-Atmos., 103, 16535–16545, 1998.
Blot, R., Clarke, A. D., Freitag, S., Kapustin, V., Howell, S. G., Jensen, J. B., Shank, L. M., McNaughton, C. S., and Brekhovskikh, V.: Ultrafine sea spray aerosol over the southeastern Pacific: open-ocean contributions to marine boundary layer CCN, Atmos. Chem. Phys., 13, 7263–7278, https://doi.org/10.5194/acp-13-7263-2013, 2013.
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The remote Southern Ocean is known to be one of the most pristine environments on the planet, but we found that cloud droplet and aerosol concentrations during one research flight in June 2009 were higher than expected. We were unable to attribute this to continental aerosol sources, and we hypothesize that strong winds resulted in local aerosol production in the form of sea salt. This has several consequences for climate modelling and cloud physics research.
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