Articles | Volume 17, issue 24
Atmos. Chem. Phys., 17, 15019–15036, 2017
Atmos. Chem. Phys., 17, 15019–15036, 2017

Research article 19 Dec 2017

Research article | 19 Dec 2017

Long-range transport of stratospheric aerosols in the Southern Hemisphere following the 2015 Calbuco eruption

Nelson Bègue et al.

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Subject: Aerosols | Research Activity: Field Measurements | Altitude Range: Stratosphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Arfeuille, F., Luo, B. P., Heckendorn, P., Weisenstein, D., Sheng, J. X., Rozanov, E., Schraner, M., Brönnimann, S., Thomason, L. W., and Peter, T.: Modeling the stratospheric warming following the Mt. Pinatubo eruption: uncertainties in aerosol extinctions, Atmos. Chem. Phys., 13, 11221–11234,, 2013.
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Bencherif, H., Portafaix, T., Baray, J. L., Morel, B., Baldy, S., Leveau and J., and Diab, R.: LIDAR observations of lower stratospheric aerosols over South Africa linked to large scale transport across the southern subtropical barrier, J. Atmos. Sol.-Terr. Phys., 65, 707–715, 2003.
Short summary
The space–time evolutions of the Calbuco plume are investigated by combining satellite, in situ aerosol counting and lidar observations, and a numerical model. All the data at Reunion Island reveal a twofold increase in the amount of aerosol with respect to the values observed before the eruption. The dynamic context has favored the spread of the plume exclusively in the Southern Hemisphere. This study highlights the role played by dynamical barriers in the transport of atmospheric species.
Final-revised paper