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Quasi-biennial oscillations (QBO) are frequently observed in the solar activity indices. However, no clear physical mechanism for the observed variations has been suggested so far. Here we study the s...
The problem of the null-modes existence and some particularities of their interaction with nonlinear vortex-wave-like structures is discussed. We show that the null-modes are fundamental elements of n...
We use a quasi-geostrophic numerical model to study the turbulence of rotating flows in a sphere, with realistic Ekman friction and bulk viscous dissipation. The forcing is caused by the destabilizati...
Annual variation in the depth of the 14°C isotherm (i.e., the main thermocline) throughout the tropical Pacific Ocean between 30°N and 30°S is studied on the basis of 156 000 bathythermographs. Large-...
We show that the reflection of baroclinic Rossby waves from a non-zonal barrier generates a Eulerian mean flow along the barrier. In order to produce a mean current of realistic magnitude, friction (i...
Seven years of XBT observations collected between Honolulu and San Francisco reveal subsurface temperature fluctuations with strong, in-phase vertical coherence and fair horizontal coherence over 1000...
One of the serious flaws in the standard quasi-geostrophic equations, commonly used for understanding the evolution of mesoscale eddies, is the requirement that the change in thickness between density...
We attribute observed annual variations in the subthermocline thermal structure of the central equatorial Pacific to a forced gravest-meridional-mode Rossby wave. In the region between 300 and 800 m (...
Examination of sea level variability in the California Current region, from 20° to 50°N and from the coast of North America to 140°W, was made possible with altimetric observations obtained by the GEO...
The interaction of a prescribed channel mode Rossby wave with a meridional line barrier situated in an infinitely long, zonally aligned channel is considered. An analytical solution for the scattered ...
Radiating baroclinic Rossby waves excited through instability of the Cape Verde frontal zone are proposed as a mechanism for the generation of mesoscale variability at middepth (1000 m) in the southea...
The annual cycle of temperature in the subthermocline equatorial Pacific is studied using a new compilation of historical hydrographic profiles. The observations have several characteristics suggestiv...
The interaction of open and coastal oceans in a midlatitude ocean basin is investigated in light of Rossby and coastal Kelvin waves. The basinwide pressure adjustment to an initial Rossby wave packet ...
The formation of an island circulation is investigated both theoretically and numerically in light of the dynamics of coastal Kelvin waves and Rossby waves. An island circulation is formed in three st...
The phase speeds of ocean surface height variability obtained by analyzing the time–longitude sections of altimetric anomalies have been widely reported as being generally faster than those of free, f...

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