The interaction between zonal flow and Rossby waves with scalar nonlinearity

doi:10.1088/1674-1056/23/6/064703

Abstract The nonlinear interactions between zonal flow and Rossby waves are studied by numerical simulations with focus on the effects of scalar nonlinearity. The numerical results show that the scalar nonlinearity has an appreciable influence on the Rossby dipole evolution and can reduce the threshold of the disturbance energy increase.

Keywords: Rossby wave sheared zonal flow dipole scalar nonlinearity

Received: 27 September 2013
Revised: 19 November 2013
Accepted manuscript online:

PACS:	47.32.-y	(Vortex dynamics; rotating fluids)
	47.32.cd	(Vortex stability and breakdown)
	47.20.Ft	(Instability of shear flows (e.g., Kelvin-Helmholtz))

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 41175052).

Corresponding Authors: Zhang Xi-Ping
E-mail: zhangxp11@pku.edu.cn

Cite this article:

Zhang Xi-Ping (张喜平), Zhao Qiang (赵强) The interaction between zonal flow and Rossby waves with scalar nonlinearity 2014 Chin. Phys. B 23 064703

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The interaction between zonal flow and Rossby waves with scalar nonlinearity

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