Articles | Volume 35, issue 4
https://doi.org/10.5194/angeo-35-785-2017
https://doi.org/10.5194/angeo-35-785-2017
Regular paper
 | 
13 Jul 2017
Regular paper |  | 13 Jul 2017

On the influence of zonal gravity wave distributions on the Southern Hemisphere winter circulation

Friederike Lilienthal, Christoph Jacobi, Torsten Schmidt, Alejandro de la Torre, and Peter Alexander

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Latest update: 14 Dec 2024
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Short summary
Gravity waves (GWs) are one of the most important dynamical features of the middle atmosphere that extends from the tropopause to the lower thermosphere. They originate from the troposphere and propagate upward. Here, we show the impact of the horizontal GW distribution in the lower atmosphere on the dynamics of the middle atmosphere using a global circulation model. As a result, we find that non-zonal GW structures can force additional stationary planetary waves.