Articles | Volume 16, issue 24
Atmos. Chem. Phys., 16, 15755–15775, 2016
https://doi.org/10.5194/acp-16-15755-2016
Atmos. Chem. Phys., 16, 15755–15775, 2016
https://doi.org/10.5194/acp-16-15755-2016

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 et al.

Video supplement

Animation 2 P. Šácha https://doi.org/10.5446/20494

Animation of longitudinal cross-sections of residual vertical velocity (Animation 4) P. Šácha https://doi.org/10.5446/20493

Animation 1a P. Šácha https://doi.org/10.5446/20495

Animation 1b P. Šácha https://doi.org/10.5446/20497

Animation 3 P. Šácha https://doi.org/10.5446/20500

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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.
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