Articles | Volume 15, issue 6
Atmos. Chem. Phys., 15, 3327–3338, 2015
https://doi.org/10.5194/acp-15-3327-2015
Atmos. Chem. Phys., 15, 3327–3338, 2015
https://doi.org/10.5194/acp-15-3327-2015

Research article 24 Mar 2015

Research article | 24 Mar 2015

Energetic particle induced intra-seasonal variability of ozone inside the Antarctic polar vortex observed in satellite data

T. Fytterer et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Tilo Fytterer on behalf of the Authors (19 Feb 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Feb 2015) by Quentin Errera
RR by Anonymous Referee #1 (03 Mar 2015)
RR by Anonymous Referee #2 (06 Mar 2015)
ED: Publish subject to technical corrections (06 Mar 2015) by Quentin Errera
AR by Tilo Fytterer on behalf of the Authors (10 Mar 2015)  Author's response    Manuscript
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Short summary
Energetic particles from the sun produce NOx (=N+NO+NO2) in the mesosphere/lower thermosphere. The NOx can be transported downward in the stratosphere during polar winter where NOx eventually depletes O3. This entire chain is the so-called energetic particle precipitation (EPP) indirect effect. Here we show downward propagating negative stratospheric O3 anomalies during Antarctic polar winter. The O3 anomalies are caused by geomagnetic activity and show strong hints of the EPP indirect effect.
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