• The Rossby parameter (or simply beta β {\displaystyle \beta } ) is a number used in geophysics and meteorology which arises due to the meridional variation...
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  • Rossby waves, also known as planetary waves, are a type of inertial wave naturally occurring in rotating fluids. They were first identified by Sweden-born...
    24 KB (2,792 words) - 11:51, 24 May 2025
  • increasing meridian. This parameter becomes important, for example, in calculations involving Rossby waves. Beta plane Earth's rotation Rossby-gravity waves Vallis...
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  • Thumbnail for Carl-Gustaf Rossby
    (1959) Rossby (crater) Rossby number Rossby parameter Rossby whistle Rossby-gravity waves Equatorial Rossby wave Rossby radius of deformation Rossby Wave...
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  • Thumbnail for Topographic Rossby waves
    planetary Rossby waves and have a different physical origin. Planetary Rossby waves form due to the changing Coriolis parameter over the earth. Rossby waves...
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  • of planets Rossby number, a dimensionless number used in describing fluid flow. The Rossby number is the ratio of inertial Rossby parameter, used in geophysics...
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  • regions. The associated dimensionless parameter is the Rossby number. Both are named in honor of Carl-Gustav Rossby. Gill, A. E., 1982: Atmosphere-Ocean...
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  • {d} f/\mathrm {d} y)|_{\phi _{0}}=2\Omega \cos(\phi _{0})/a} is the Rossby parameter, y {\displaystyle y} is the meridional distance from ϕ 0 {\displaystyle...
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  • Thumbnail for Coriolis force
    determined by its Rossby number (Ro), which is the ratio of the velocity, U, of a system to the product of the Coriolis parameter, f = 2 ω sin ⁡ φ {\displaystyle...
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  • Rossby-gravity waves are equatorially trapped waves (much like Kelvin waves), meaning that they rapidly decay as their distance increases away from the...
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  • Equatorial Rossby waves, often called planetary waves, are very long, low frequency water waves found near the equator and are derived using the equatorial...
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  • Thumbnail for Ocean gyre
    meridional mass transport (positive north), β {\displaystyle \beta } is the Rossby parameter, ρ {\displaystyle \rho } is the water density, and w E {\displaystyle...
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  • equatorial Rossby waves. In addition to these two extreme subclasses, there are two special subclasses of equatorial waves known as the mixed Rossby-gravity...
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  • Coriolis parameter prevents the formation of beta gyres which are largely responsible for the North-westward direction of most tropical cyclones. Rossby waves...
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  • horizontal length scale, and β 0 {\displaystyle \beta _{0}} is the Rossby-parameter. From this it can be stated that an instability occurs when f 0 2 L...
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  • approach is not ideal for making an argument about fluid motions. Carl Rossby proposed in 1939 that, instead of the full three-dimensional vorticity vector...
    24 KB (3,795 words) - 17:50, 15 July 2025
  • limit of small Rossby number, so that inertial forces are an order of magnitude smaller than the Coriolis and pressure forces. If the Rossby number is equal...
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  • the shallow water approximation can be used. Using this approximation, Rossby showed in 1939, by integrating the shallow water equations over the depth...
    12 KB (1,832 words) - 17:09, 7 May 2025
  • topological insulator. Weather portal Physics portal Rossby wave Rossby-gravity waves Equatorial Rossby wave Kelvin–Helmholtz instability Edge wave Tropical...
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  • Thumbnail for Equatorial Counter Current
    Pacific NECC undergoes an annual cycle. This is a result of the annual Rossby wave. Early each year increased winds in the eastern Pacific generate a...
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    leading to energy dissipation through convective instability; likewise, Rossby waves are said to break when the potential vorticity gradient is overturned...
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  • Vorticity (category Pages using sidebar with the child parameter)
    vorticity equation is the simplest way for forecasting the movement of Rossby waves (that is, the troughs and ridges of 500 hPa geopotential height) over...
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  • Thumbnail for Pacific decadal oscillation
    wind stress, c is the Rossby wave speed that depends on latitude, ρ0 is the density of sea water and f0 is the Coriolis parameter at a reference latitude...
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  • characteristic scale called the Rossby deformation radius. This scale depends on the strength of stratification and the coriolis parameter (which in turn depends...
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  • Thumbnail for Tropical cyclogenesis
    two basins at any given time. Research has shown that trapped equatorial Rossby wave packets can increase the likelihood of tropical cyclogenesis in the...
    44 KB (4,554 words) - 22:38, 18 July 2025
  • Coriolis parameter with latitude results in a narrow western boundary current in ocean basins. In 1950, Walter Munk combined the results of Rossby (eddy...
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  • Thumbnail for Proxima Centauri b
    surface temperatures. The rotational period of the planet which determines Rossby wave dynamics. Internal heat flow which can melt the bases of ice sheets...
    74 KB (8,339 words) - 04:53, 14 July 2025
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    History of Earth History of geodesy Inner core super-rotation Nychthemeron Rossby wave Spherical Earth World Geodetic System See Fallexperimente zum Nachweis...
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  • flank downdraft (RFD) Ridge Roll cloud Remote sensing Rope tornado Rossby number Rossby wave Rotation Safe room Satellite tornado – A smaller tornado that...
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  • \over {\rm {d}}y}} The validity of this approximation depends on the local Rossby number. It is invalid at the equator, because f is equal to zero there,...
    9 KB (1,278 words) - 04:46, 13 June 2025