Articles | Volume 9, issue 2
Earth Syst. Dynam., 9, 647–661, 2018
https://doi.org/10.5194/esd-9-647-2018
Earth Syst. Dynam., 9, 647–661, 2018
https://doi.org/10.5194/esd-9-647-2018

Research article 24 May 2018

Research article | 24 May 2018

Interannual variability in the gravity wave drag – vertical coupling and possible climate links

Petr Šácha et al.

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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, https://doi.org/10.1175/JAS-D-14-0026.1, 2014. a
Alexander, M. J. and Grimsdell, A. W.: Seasonal cycle of orographic gravity wave occurrence above small islands in the Southern Hemisphere: Implications for effects on the general circulation, J. Geophys. Res.-Atmos., 118, 589–599, https://doi.org/10.1002/2013JD020526, 2013. a
Alexander, S. P. and Sato, K.: Gravity wave dynamics and climate: An update from the SPARC gravity wave activity, SPARC Newsletter, 44, 9–13, 2015. a
Alexander, S. P. and Shepherd, M. G.: Planetary wave activity in the polar lower stratosphere, Atmos. Chem. Phys., 10, 707–718, https://doi.org/10.5194/acp-10-707-2010, 2010. a
Alexander, S. P., Klekociuk, A. R., and Tsuda, T.: Gravity wave and orographic wave activity observed around the antarctic and arctic stratospheric vortices by the cosmic gps-ro satellite constellation, J. Geophys. Res.-Atmos., 114, D17103, https://doi.org/10.1029/2009JD011851, 2009. a
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The paper investigates variability in the gravity wave drag in the stratosphere in connection with climate phenomena like the El Niño–Southern Oscillation. This link represents a possible mechanism of tropospheric influence on the higher atmospheric layers, a mechanism of utmost importance that has not been studied in detail yet. The results illustrate that there are indeed significant changes in the gravity wave drag distribution and strength depending on the phase of the studied oscillations.
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