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Volume 17, issue 3
Atmos. Chem. Phys., 17, 2229–2253, 2017
https://doi.org/10.5194/acp-17-2229-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 2229–2253, 2017
https://doi.org/10.5194/acp-17-2229-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 14 Feb 2017

Research article | 14 Feb 2017

Impact of a moderate volcanic eruption on chemistry in the lower stratosphere: balloon-borne observations and model calculations

Gwenaël Berthet et al.

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AERIS French atmosphere infrastructure, balloon-borne observations of the StraPolÉté campaign ESPRI data Centre http://ether.ipsl.jussieu.fr/etherTypo/index.php?id=1538&L=1

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Short summary
Since the last major volcanic event, i.e. the Pinatubo eruption in 1991, only moderate eruptions have regularly injected sulfur into the stratosphere, typically enhancing the aerosol loading for several months. We investigate here for the first time the chemical perturbation associated with the Sarychev eruption in June 2009, using balloon-borne instruments and model calculations. Some chemical compounds are significantly affected by the aerosols, but the impact on stratospheric ozone is weak.
Since the last major volcanic event, i.e. the Pinatubo eruption in 1991, only moderate eruptions...
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