Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 40, issue 2
Articles | Volume 40, issue 2
https://doi.org/10.5194/angeo-40-179-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-40-179-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 40, issue 2
Regular paper
 | 
22 Mar 2022
Regular paper |  | 22 Mar 2022

A case study of a ducted gravity wave event over northern Germany using simultaneous airglow imaging and wind-field observations

Sumanta Sarkhel, Gunter Stober, Jorge L. Chau, Steven M. Smith, Christoph Jacobi, Subarna Mondal, Martin G. Mlynczak, and James M. Russell III

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Short summary
A rare gravity wave event was observed on the night of 25 April 2017 over northern Germany. An all-sky airglow imager recorded an upward-propagating wave at different altitudes in mesosphere with a prominent wave front above 91 km and faintly observed below. Based on wind and satellite-borne temperature profiles close to the event location, we have found the presence of a leaky thermal duct layer in 85–91 km. The appearance of this duct layer caused the wave amplitudes to diminish below 91 km.
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