Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 20, issue 15
Articles | Volume 20, issue 15
https://doi.org/10.5194/acp-20-9331-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-20-9331-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 15
Research article
 | 
10 Aug 2020
Research article |  | 10 Aug 2020

Lagrangian gravity wave spectra in the lower stratosphere of current (re)analyses

Aurélien Podglajen, Albert Hertzog, Riwal Plougonven, and Bernard Legras

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Latest update: 02 Jul 2025
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Short summary
Thanks to the increase in resolution, numerical weather prediction models resolve a growing fraction of the gravity wave (GW) spectrum. Here, we assess the representation of Lagrangian GW fluctuations by comparing trajectories in the models to long-duration balloon observations. Most characteristics of the observed GW spectrum, such as near-inertial oscillations, are qualitatively present. However, the variability remains underestimated, emphasizing the continuous need for GW parameterizations.
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