Articles | Volume 15, issue 20
Atmos. Chem. Phys., 15, 11461–11476, 2015
https://doi.org/10.5194/acp-15-11461-2015
Atmos. Chem. Phys., 15, 11461–11476, 2015
https://doi.org/10.5194/acp-15-11461-2015

Research article 16 Oct 2015

Research article | 16 Oct 2015

The impacts of volcanic aerosol on stratospheric ozone and the Northern Hemisphere polar vortex: separating radiative-dynamical changes from direct effects due to enhanced aerosol heterogeneous chemistry

S. Muthers et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Stefan Muthers on behalf of the Authors (30 Aug 2015)  Author's response
ED: Referee Nomination & Report Request started (31 Aug 2015) by Kostas Tsigaridis
RR by Anonymous Referee #1 (31 Aug 2015)
RR by Anonymous Referee #2 (09 Sep 2015)
ED: Publish as is (10 Sep 2015) by Kostas Tsigaridis
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Short summary
After volcanic eruptions different radiative and chemical processes take place in the stratosphere which perturb the ozone layer and cause pronounced dynamical changes. In idealized chemistry-climate model simulations the importance of these processes and the modulating role of the climate state is analysed. The chemical effect strongly differs between a preindustrial and present-day climate, but the effect on the dynamics is weak. Radiative processes dominate the dynamics in all climate states.
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