Articles | Volume 21, issue 12
Atmos. Chem. Phys., 21, 9405–9416, 2021
https://doi.org/10.5194/acp-21-9405-2021
Atmos. Chem. Phys., 21, 9405–9416, 2021
https://doi.org/10.5194/acp-21-9405-2021

Research article 18 Jun 2021

Research article | 18 Jun 2021

The climate impact of COVID-19-induced contrail changes

Andrew Gettelman et al.

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Latest update: 17 Oct 2021
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Short summary
The COVID-19 pandemic caused significant economic disruption in 2020 and severely impacted air traffic. We use a climate model to evaluate the effect of the reductions in aviation on climate in 2020. Contrails, in general, warm the planet, and COVID-19-related reductions in contrails cooled the land surface in 2020. The timing of reductions in aviation was important, and this may change how we think about the future effects of contrails.
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