Articles | Volume 17, issue 3
Atmos. Chem. Phys., 17, 2229–2253, 2017
https://doi.org/10.5194/acp-17-2229-2017
Atmos. Chem. Phys., 17, 2229–2253, 2017
https://doi.org/10.5194/acp-17-2229-2017
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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Cited articles

Aliwell, S., Van Roozendael, M., Johnston, P., Richter, A., Wagner, T., Arlander, D., Burrows, J., Fish, D., Jones, R., Tornkvist, K., Lambert, J.-C., Pfeilsticker, K., and Pundt, I.: Analysis for BrO in zenith-sky spectra: An intercomparison exercise for analysis improvement, J. Geophys. Res., 107, 4199, https://doi.org/10.1029/2001JD000329, 2002.
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Berthet, G., Renard, J.-B., Brogniez, C., Robert, C., Chartier, M., and Pirre, M.: Optical and physical properties of stratospheric aerosols from balloon measurements in the visible and near-infrared domain: 1. Analysis of aerosol extinction spectra from the AMON and SALOMON instruments, Appl. Optics, 41, 7522–7539, 2002.
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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.
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