Articles | Volume 17, issue 3
https://doi.org/10.5194/acp-17-2311-2017
https://doi.org/10.5194/acp-17-2311-2017
Research article
 | 
14 Feb 2017
Research article |  | 14 Feb 2017

Long-lived contrails and convective cirrus above the tropical tropopause

Ulrich Schumann, Christoph Kiemle, Hans Schlager, Ralf Weigel, Stephan Borrmann, Francesco D'Amato, Martina Krämer, Renaud Matthey, Alain Protat, Christiane Voigt, and C. Michael Volk

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Latest update: 24 Apr 2024
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Short summary
A long-lived (1 h) contrail and overshooting convection were observed in the tropics, near Darwin, Australia. The data are used to study the contrail life cycle at low temperatures and cirrus from deep overturning convection in the lower tropical stratosphere. Airborne in situ, lidar, profiler, radar, and satellite data, as well as a photo, are used to distinguish contrail cirrus from convective cirrus and to study the origin of the observed ice and aerosol, up to 2.3 km above the tropopause.
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