Articles | Volume 21, issue 19
Atmos. Chem. Phys., 21, 14573–14590, 2021
https://doi.org/10.5194/acp-21-14573-2021
Atmos. Chem. Phys., 21, 14573–14590, 2021
https://doi.org/10.5194/acp-21-14573-2021

Research article 04 Oct 2021

Research article | 04 Oct 2021

Changes in cirrus cloud properties and occurrence over Europe during the COVID-19-caused air traffic reduction

Qiang Li and Silke Groß

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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-2021-172', Anonymous Referee #1, 13 Apr 2021
    • AC1: 'Reply on RC1', Qiang Li, 02 Jul 2021
  • RC2: 'Comment on acp-2021-172', Anonymous Referee #2, 19 Apr 2021
    • AC2: 'Reply on RC2', Qiang Li, 02 Jul 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Qiang Li on behalf of the Authors (02 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (04 Jul 2021) by Matthias Tesche
RR by Anonymous Referee #2 (30 Jul 2021)
RR by Anonymous Referee #1 (09 Aug 2021)
ED: Publish subject to technical corrections (24 Aug 2021) by Matthias Tesche
AR by Qiang Li on behalf of the Authors (06 Sep 2021)  Author's response    Manuscript
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Short summary
Aircraft emit exhaust gases and particles directly into the atmosphere, which may contribute to climate change. We present a significant reduction in the occurrence rate and particle linear depolarization ratio of cirrus clouds based on the analysis of measurements with the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite during COVID-19 when air traffic was significantly reduced. The findings imply that these clouds formed with less influence from aviation.
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