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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 17
Atmos. Chem. Phys., 17, 10495–10513, 2017
https://doi.org/10.5194/acp-17-10495-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Twenty-five years of operations of the Network for the Detection...

Atmos. Chem. Phys., 17, 10495–10513, 2017
https://doi.org/10.5194/acp-17-10495-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 07 Sep 2017

Research article | 07 Sep 2017

Attribution of recent ozone changes in the Southern Hemisphere mid-latitudes using statistical analysis and chemistry–climate model simulations

Guang Zeng et al.

Data sets

aring Head surface O3 data World Data Centre for Greenhouse Gases (WDCGG) http://ds.data.jma.go.jp/gmd/wdcgg/

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Short summary
The long-term ozonesonde record from Lauder, New Zealand, which covers 1987 to 2014, shows a significant positive trend in lower tropospheric ozone, and a significant negative trend in the tropopause region. We conduct a statistical and chemistry–climate model analysis to identify the causes of these trends. We attribute these trends to anthropogenic influences and large-scale dynamical effects such as increasing tropopause height and an increase in stratosphere–troposphere exchange.
The long-term ozonesonde record from Lauder, New Zealand, which covers 1987 to 2014, shows a...
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