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Multiple zonal jets on the polar beta plane A. G. Slavin and Y. D. Afanasyeva
 

Summary: Multiple zonal jets on the polar beta plane
A. G. Slavin and Y. D. Afanasyeva
,
Memorial University of Newfoundland, St. John's, NL, Canada
Physics of Fluids
Submitted: April 2011
a
Corresponding author address:
Yakov Afanasyev
Memorial University of Newfoundland, St. John's, NL, Canada
E-mail: afanai@mun.ca
http://www.physics.mun.ca/~yakov
Abstract
The mechanism of the formation of multiple quasi-zonal jets as well as their meridional
scaling is investigated for a range of control parameters including the radius of deformation
and the parameter which characterizes the polar -plane. Flows in a rotating cylindrical
domain where the depth of the fluid layer varies quadratically with distance from the center
are studied using numerical simulations and laboratory experiments. The flows are generated
by a spatially localized heater. The westward radiation of barotropic Rossby waves is shown
to be a major factor contributing to the formation of jets such that their meridional scaling is

  

Source: Afanassiev, Iakov - Department of Physics and Physical Oceanography, Memorial University of Newfoundland

 

Collections: Geosciences