Articles | Volume 22, issue 9
Atmos. Chem. Phys., 22, 6151–6165, 2022
https://doi.org/10.5194/acp-22-6151-2022

Special issue: BLUESKY atmospheric composition measurements by aircraft during...

Atmos. Chem. Phys., 22, 6151–6165, 2022
https://doi.org/10.5194/acp-22-6151-2022
Research article
11 May 2022
Research article | 11 May 2022

Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe

Clara M. Nussbaumer et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-1028', Anonymous Referee #1, 26 Dec 2021
    • AC1: 'Reply on RC1', Clara M. Nussbaumer, 12 Apr 2022
  • RC2: 'Comment on acp-2021-1028', Anonymous Referee #2, 21 Jan 2022
    • AC2: 'Reply on RC2', Clara M. Nussbaumer, 12 Apr 2022
  • CC1: 'Comment on acp-2021-1028', Lin Tan, 27 Jan 2022
    • AC3: 'Reply on CC1', Clara M. Nussbaumer, 12 Apr 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Clara M. Nussbaumer on behalf of the Authors (12 Apr 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (15 Apr 2022) by Stefania Gilardoni
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Short summary
The European COVID-19 lockdowns have significantly reduced the emission of primary pollutants such as NOx, which impacts the tropospheric photochemical processes and the abundance of O3. In this study, we present how the lockdowns have affected tropospheric trace gases and ozone production based on in situ observations and modeling simulations. We additionally show that the chemical regime shifted from a transition point to a NOx limitation in the upper troposphere.
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