Articles | Volume 1, issue 2
https://doi.org/10.5194/wcd-1-481-2020
https://doi.org/10.5194/wcd-1-481-2020
Research article
 | 
29 Sep 2020
Research article |  | 29 Sep 2020

On the intermittency of orographic gravity wave hotspots and its importance for middle atmosphere dynamics

Ales Kuchar, Petr Sacha, Roland Eichinger, Christoph Jacobi, Petr Pisoft, and Harald E. Rieder

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Cited articles

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Alexander, S. P., Sato, K., Watanabe, S., Kawatani, Y., and Murphy, D. J.: Southern Hemisphere Extratropical Gravity Wave Sources and Intermittency Revealed by a Middle-Atmosphere General Circulation Model, J. Atmos. Sci., 73, 1335–1349, https://doi.org/10.1175/JAS-D-15-0149.1, 2016. a, b
Andrews, D. G. and McIntyre, M. E.: JR Holton, and CB Leovy, 1987: Middle Atmosphere Dynamics, Academic Press, London, 1987. a
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Short summary
Our study focuses on the impact of topographic structures such as the Himalayas and Rocky Mountains, so-called orographic gravity-wave hotspots. These hotspots play an important role in the dynamics of the middle atmosphere, in particular in the lower stratosphere. We study intermittency and zonally asymmetric character of these hotspots and their effects on the upper stratosphere and mesosphere using a new detection method in various modeling and observational datasets.