Articles | Volume 14, issue 8
Atmos. Meas. Tech., 14, 5349–5368, 2021
https://doi.org/10.5194/amt-14-5349-2021
Atmos. Meas. Tech., 14, 5349–5368, 2021
https://doi.org/10.5194/amt-14-5349-2021
Research article
04 Aug 2021
Research article | 04 Aug 2021

Measurements of CFC-11, CFC-12, and HCFC-22 total columns in the atmosphere at the St. Petersburg site in 2009–2019

Alexander Polyakov et al.

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Short summary
The photolysis of CFCs, and to a lesser extent of HCFCs, in the stratosphere leads to the appearance of so-called ozone holes. We improve the retrieval strategies for deriving CFC-11, CFC-12, and HCFC-22 from ground–based IR solar radiation spectra measured by a Bruker FS125HR spectrometer, analyze the time series at the Network for the Detection of Atmospheric Composition Change (NDACC) site in St. Petersburg, Russia, and compare them to the independent data.