Articles | Volume 21, issue 10
Atmos. Chem. Phys., 21, 7429–7450, 2021
https://doi.org/10.5194/acp-21-7429-2021

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

Atmos. Chem. Phys., 21, 7429–7450, 2021
https://doi.org/10.5194/acp-21-7429-2021

Research article 18 May 2021

Research article | 18 May 2021

Air traffic and contrail changes over Europe during COVID-19: a model study

Ulrich Schumann et al.

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Latest update: 18 Oct 2021
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Short summary
The roughly 70 % reduction of air traffic during the COVID-19 pandemic from March–August 2020 compared to 2019 provides a test case for the relationship between air traffic density, contrails, and their radiative forcing of climate change. This paper investigates the induced traffic and contrail changes in a model study. Besides strong weather changes, the model results indicate aviation-induced cirrus and top-of-the-atmosphere irradiance changes, which can be tested with observations.
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