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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 16
Atmos. Chem. Phys., 17, 10143-10162, 2017
https://doi.org/10.5194/acp-17-10143-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 10143-10162, 2017
https://doi.org/10.5194/acp-17-10143-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 30 Aug 2017

Research article | 30 Aug 2017

CCl4 distribution derived from MIPAS ESA v7 data: intercomparisons, trend, and lifetime estimation

Massimo Valeri et al.
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AR by Marco Ridolfi on behalf of the Authors (27 Jun 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (30 Jun 2017) by Martin Dameris
RR by Anonymous Referee #4 (18 Jul 2017)
ED: Publish as is (18 Jul 2017) by Martin Dameris
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Short summary
Atmospheric emissions of CCl4 are regulated by the Montreal Protocol due to its role as a strong ozone-depleting substance. The molecule is the subject of recent increased interest as a consequence of the discrepancy between atmospheric observations and reported production and consumption. We use MIPAS/ENVISAT data (2002–2012) to estimate CCl4 trends and lifetime. At 50 hPa we find a decline of about 30–35 % per decade. In the lower stratosphere our lifetime estimate is 47 (39–61) years.
Atmospheric emissions of CCl4 are regulated by the Montreal Protocol due to its role as a...
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