Observations of microphysical properties and radiative effects of contrail cirrus and natural cirrus over the North Atlantic

Contrail cirrus constitute the largest radiative forcing (RF) component of the aviation effect on climate. However, the difference of microphysical properties and radiative effects between contrails, contrail cirrus and natural cirrus clouds are still not completely resolved. Motivated by these unce...

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Bibliographic Details
Published in:Atmospheric Chemistry and Physics
Main Authors: Wang, Ziming, Bugliaro Goggia, Luca, Jurkat-Witschas, Tina, Heller, Romy, Burkhardt, Ulrike, Ziereis, Helmut, Dekoutsidis, Georgios, Wirth, Martin, Groß, Silke Martha, Kirschler, Simon, Kaufmann, Stefan, Voigt, Christiane
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2023
Subjects:
Wolkenphysik
Lidar
North Atlantic
Online Access:https://elib.dlr.de/191116/
https://elib.dlr.de/191116/1/Wang_ACPD_2022.pdf
https://acp.copernicus.org/articles/23/1941/2023/
Description
Summary:Contrail cirrus constitute the largest radiative forcing (RF) component of the aviation effect on climate. However, the difference of microphysical properties and radiative effects between contrails, contrail cirrus and natural cirrus clouds are still not completely resolved. Motivated by these uncertainties, we investigate the cirrus perturbed by aviation in the North Atlantic Region on 26 March 2014 during the Mid Latitude Cirrus (ML CIRRUS) experiment. In the synoptic context of a ridge cirrus cloud, an extended thin ice cloud with many persistent contrails can be observed for many hours with the geostationary Meteosat Second Generation (MSG)/Spinning Enhanced Visible and InfraRed Imager (SEVIRI) from the morning hours until dissipation close to 14 UTC. Airborne lidar observations aboard the German High Altitude and LOng Range Research Aircraft (HALO) suggest that this cloud is mainly of anthropogenic origin.

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