Articles | Volume 17, issue 17
Atmos. Chem. Phys., 17, 10269–10290, 2017
https://doi.org/10.5194/acp-17-10269-2017
Atmos. Chem. Phys., 17, 10269–10290, 2017
https://doi.org/10.5194/acp-17-10269-2017

Research article 01 Sep 2017

Research article | 01 Sep 2017

Stratospheric ozone intrusion events and their impacts on tropospheric ozone in the Southern Hemisphere

Jesse W. Greenslade et al.

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An analysis of data from ozonesondes released at three southern oceanic sites shows the impact of stratospheric ozone in this region. Using a novel method of transport classification, this work estimates the seasonality and quantity of stratospherically sourced ozone. We find that ozone is transported most frequently in summer due to regional-scale low-pressure weather systems. We also estimate a stratospheric ozone source of 2.0–3.3 Tg/year over three Southern Ocean regions.
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