Articles | Volume 16, issue 24
Research article
21 Dec 2016
Research article |  | 21 Dec 2016

Influence of the spatial distribution of gravity wave activity on the middle atmospheric dynamics

Petr Šácha, Friederike Lilienthal, Christoph Jacobi, and Petr Pišoft

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Subject: Dynamics | Research Activity: Atmospheric Modelling | Altitude Range: Stratosphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Albers, J. R. and Birner, T.: Vortex preconditioning due to planetary and gravity waves prior to sudden stratospheric warmings, J. Atmos. Sci., 71, 4028–4054,, 2014.
Alexander, M. J. and Sato, K.: Gravity Wave Dynamics and Climate: An Update from the SPARC Gravity Wave Activity, 2015.
Alexander, S. P. and Shepherd, M. G.: Planetary wave activity in the polar lower stratosphere, Atmos. Chem. Phys., 10, 707–718,, 2010.
Andrews, D. G., Holton, J. R., and Leovy, C. B.: Middle Atmospheric Dynamics, 1987.
Ayarzaguena, B., Langematz, U., and Serrano, E.: Tropospheric forcing of the stratosphere: A comparative study of the two different major stratospheric warmings in 2009 and 2010, J. Geophys. Res, 116, D18114,, 2011.
Short summary
With a mechanistic model for the middle and upper atmosphere we performed sensitivity simulations to study a possible impact of a localized GW breaking hotspot in the eastern Asia–northern Pacific region and also the possible influence of the spatial distribution of gravity wave activity on the middle atmospheric circulation and transport. We show implications for polar vortex stability, in situ PW generation and longitudinal variability and strength of the Brewer–Dobson circulation.
Final-revised paper