Articles | Volume 20, issue 2
Atmos. Chem. Phys., 20, 1043–1074, 2020
https://doi.org/10.5194/acp-20-1043-2020
Atmos. Chem. Phys., 20, 1043–1074, 2020
https://doi.org/10.5194/acp-20-1043-2020

Research article 27 Jan 2020

Research article | 27 Jan 2020

Chlorine partitioning near the polar vortex edge observed with ground-based FTIR and satellites at Syowa Station, Antarctica, in 2007 and 2011

Hideaki Nakajima et al.

Data sets

Atmospheric Profiles and Total Columns of O3, HNO3, and HCl Measured by Fourier Transform Infrared Spetrometer (FTIR) at Antarctic Syowa Station in 2007 Hideaki Nakajima https://doi.org/10.17595/20190911.001

Atmospheric Profiles and Total Columns of O3, HNO3, and HCl Measured by Fourier Transform Infrared Spetrometer (FTIR) at Antarctic Syowa Station in 2011 Hideaki Nakajima https://doi.org/10.17595/20190911.002

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Short summary
This paper presents temporal evolution of stratospheric chlorine and minor species related to Antarctic ozone depletion, based on FTIR measurements at Syowa Station, and satellite measurements by MLS and MIPAS in 2007 and 2011. After chlorine reservoir species were processed on PSCs and active ClO was formed, different chlorine deactivation pathways into reservoir species were identified, depending on the relative location of Syowa Station to the polar vortex boundary.
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