rossby wave
A singular vortex Rossby wave packet within a rapidly rotating vortex
... resulting wave packet takes the form of an amplitude- modulated ...the wave packet that has been omitted in the nonlinear CL dynamics until ...the wave packet, so ignoring this mean flow constitutes ...
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The decay of cyclonic eddies by Rossby wave radiation
... order-one Rossby numbers, also demonstrates the property that cyclones have westward drift velocity which matches available Rossby wave speeds, while anticyclones, on the other hand, drift westward ...
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Rossby-wave turbulence in a rapidly rotating sphere
... The equilibrium regime is strongly anisotropic and inho- mogeneous but exhibits a steep m −5 spectrum in the az- imuthal (periodic) direction, at scales smaller than the in- jection scale. This spectrum has been proposed ...
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Null modes effect in Rossby wave model
... The approach proceeding from the extremum of Eq. (A1) and based on the use of equations Eq. (A2) has a wide dis- semination. Reviews on applications of the variational prin- ciple of least action with a hydrodynamical ...
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Nonlinear excitation of zonal flows by rossby wave turbulence
... the wave-kinetic approach to study nonlinearly coupled Rossby wave-zonal flow fluid turbulence in a two-dimensional rotating ...of Rossby wave turbulence. Short-wavelength Rossby ...
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The influence of bottom topography on long Rossby wave propagation in the South Pacific Ocean
... These features display a negative relationship between phase speed (or the dominant angle as an indicator for phase speed) and bathymetry that concurs with theoretical knowl- edge. It is expected that the waves will ...
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Utility of Hovmöller diagrams to diagnose Rossby wave trains
... diagnosing wave generation, propagation and decay is based on conservation laws for the wave activity and the corresponding flux (Scinocca and Shepherd, ...that wave energy in shear flow can grow or ...
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Percolation transition in the kinematics of nonlinear resonance broadening in Charney–Hasegawa–Mima model of Rossby wave turbulence
... interacting Rossby waves as modelled by the Charney–Hasegawa–Mima equation on a biperiodic ...of wave modes which can interact quasi-resonantly at a particular level of resonance broadening and aim to ...
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Do multiple peaks in the Radon Transform of westward propagating sea surface height anomalies correspond to higher order Rossby wave Baroclinic modes?
... of Rossby waves is clearly visible in longitude-time plots (also known as Hovm¨oller diagrams) of sea surface height anomalies (SSHA) and to some extent in sea sur- face temperature (SST) and ocean colour data ...
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Rossby wave, drift wave and zonal flow turbulence
... While wave turbulence deals with the spectrum of weakly nonlinear waves, there is a general consensus that the theory must be further developed to include the co-existence of coherent structures such as zonal ...
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Rossby wave propagation tracks in southern hemisphere mean basic flows associated to generalized frosts over southern South America
... and wave propagation in a slow varying medium to study the propagation of stationary planetary waves in a zonally symmetric barotropic ...barotropic Rossby wave linear propagation analysis in a ...
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The Rossby wave extra invariant in the dynamics of 3-D fluid layers and the generation of zonal jets
... typical Rossby wave sig- nificantly exceeds the depth H, so the energy exchange be- tween Rossby waves and inertia waves can be disregarded due to the disparity of ...short Rossby waves, whose ...
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Rossby wave turbulence
... All the clusters given in the example for the small-scale Rossby waves (figure 3.5) can be fully decomposed by part 1 of the algorithm. In particular the largest (thirteen-triad cluster) has a total of fourteen ...
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Dispersive effects in Rossby-wave hydraulics
... where µ ≈ 1, does show weak unsteady waves at the leading edge of the topography. In both flows of HJH6 the leading wave of the downstream wavetrain overturns to form an eddy, although for the longer topography ...
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Large scale drift and Rossby wave turbulence
... (zonostrophy) allows us to predict the directions of fluxes in the k -space of the three quadratic invariants. This is similar to the famous Fjørtoft’s argument for 2D hydrodynamic turbulence where the presence of ...
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A SIMPLE-MODEL OF ROSSBY-WAVE HYDRAULIC BEHAVIOR
... At early times, as shown in figure 11 (a), the flow seems to approach the hydraulically controlled solution, at least on the downstream side of the obstacle.. The bold c[r] ...
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Rossby-Haurwitz wave perturbations under tropical forcing
... basic wave, with linear damping, diffusion and a tropical forcing ...stationary Rossby wave trains in the model, a circular region of steady divergence was introduced on the equator, located at 195º ...
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Generation of Rossby waves off the Cape Verde Peninsula: the role of the coastline
... important Rossby wave activity to the south of the Cape Verde Peninsula (see, for example, their ...the Rossby wave, and third the existence of nutrients in the subsurface layers, which could ...
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Use of the 3D radon transform to examine the properties of oceanic Rossby waves
... enhanced Rossby wave energy centred on ...stronger Rossby wave propagation just south of the Azores Current is consistent with previous T/P observations analysed using standard Fourier and 2D ...
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Coupling coefficients and kinetic equation for Rossby waves in multi-layer ocean
... several wave classes with different disper- sion relations but with comparable frequencies may ...a Rossby wave, Wik- lund, ...three wave classes was already presented in (Zakharov and ...
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