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Meridional Asymmetries in Forced Beta-Plane Turbulence
Beta-Plane Turbulence Stochastic Forcing Meridional Asymmetries
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2013/3/7
Forced geostrophic turbulence on the surface of a rotating sphere (so called β-plane turbulence) is simulated trough the use of the β-SQG+1 numerical model. Domain occupied by the fluid has a channel ...
On the advection of tracer by eddies on the beta-plane:A numerical study
advection of tracer eddies on the beta-plane
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2009/11/13
The evolution of tracer "injected" into an equivalent barotropic eddy on the beta-plane is examined numerically. The eddy is governed by the standard quasigeostrophic equation, and the concentration o...
Length Scales in a Rotating Stratified Fluid on the Beta Plane
Length Scales Beta Plane Rotating Stratified Fluid
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2009/4/2
The relationships between vertical and horizontal length scales in a rotating stratified fluid on the beta plane are discussed in an attempt to unify the results of previous papers. The model is stead...
Trapped Coastal Waves on an Equatorial Beta Plane
Trapped Coastal Waves Equatorial Beta Plane
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2009/2/23
This paper describes the zonally propagating wave modes of a homogeneous fluid on an equatorial beta-plane with linear bottom topography. The fluid is bounded above by a free surface and bounded below...
Freely Propagating Trench Waves on a Beta-Plane
Freely Propagating Trench Waves Beta-Plane
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2009/2/6
The dispersion relation is derived for trapped freely propagating barotropic long trench waves on a midlatitude β-plane. It is found that a critical wavenumber kc, which depends on trench orientation ...
On the Motion of Isolated Lenses on a Beta-Plane
Isolated Lenses Beta-Plane propagation
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2009/2/5
This paper examines the motion and propagation of an isolated of anomalous water on a beta-plane, considered previously by Nof (1981). His perturbation analysis is extended to show the following:
1...
Generation of Mean Flows and Jets on a Beta Plane and over Topography
Mean Flows Jets Beta Plane
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2008/12/18
This paper proposes and discusses mechanisms whereby mean flows and jets are produced by differential rotation and by topographic effects. It is shown that, in general, a mean gradient of potential vo...
Zonal Jets over Topography on a Beta-Plane, with Applications to the Kuroshio Extension over the Shatsky Rise
Zonal Jets Beta-Plane Kuroshio Extension Shatsky Rise
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2008/12/16
The response of an initially zonal barotropic or baroclinic jet to an isolated seamount or a meridional ridge is investigated here using a three-dimensional primitive equation model with a free surfac...
Recirculation Gyres Forced by a Beta-Plane Jet
barotropic dynamics initially zonal jet
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2008/12/9
A numerical model, with quasigeostrophic and barotropic dynamics, is used to study the forcing of mean flows by an unstable jet. The initially zonal jet has specified shape and transport at the wester...
The Stability of Zonal Jets in a Rough-Bottomed Ocean on the Barotropic Beta Plane
Zonal Jets Rough-Bottomed Ocean Barotropic Beta Plane
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2008/6/30
The author considers the stability of a barotropic jet on the beta plane, using the model of a “rough-bottomed ocean” (i.e., assuming that the horizontal scale of bottom irregularities is much smaller...