References

ANGEO

Annales Geophysicae

ANGEO

Ann. Geophys.

1432-0576

Copernicus Publications

Göttingen, Germany

10.5194/angeo-32-181-2014

Rolls of the internal gravity waves in the Earth's atmosphere

Onishchenko

¹ ² Pokhotelov

¹ Horton

³ Smolyakov

⁴ Kaladze

⁵ ⁶ Fedun

⁷

Institute of Physics of the Earth, 10 B. Gruzinskaya, 123995 Moscow, Russian Federation

Space Research Institute, 84/32, Profsoyuznaya str., 117997 Moscow, Russian Federation

Institute for Fusion Studies, University of Texas at Austin, Austin, Texas, USA

University of Saskatchewan, Saskatchewan, S7N 5E2, Canada

I. Vekua Institute of Applied Mathematics, Tbilisi State University, Tbilisi, Georgia

Physics Department, Government College University, Lahore 54000, Pakistan

Space Systems Laboratory, Department of Automatic Control and Systems Engineering, University of Sheffield, Sheffield, S1 3JD, UK

25 02 2014

32 2 181 186

2014

This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/3.0/

This article is available from https://angeo.copernicus.org/articles/32/181/2014/angeo-32-181-2014.html

The full text article is available as a PDF file from https://angeo.copernicus.org/articles/32/181/2014/angeo-32-181-2014.pdf

The effect of the wind shear on the roll structures of nonlinear internal gravity waves (IGWs) in the Earth's atmosphere with the finite vertical temperature gradients is investigated. A closed system of equations is derived for the nonlinear dynamics of the IGWs in the presence of temperature gradients and sheared wind. The solution in the form of rolls has been obtained. The new condition for the existence of such structures was found by taking into account the roll spatial scale, the horizontal speed and wind shear parameters. We have shown that the roll structures can exist in a dynamically unstable atmosphere.

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