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Rossby wave
(redirected from Rossby waves)

   Also found in: Wikipedia 0.01 sec.
Rossby wave [′rȯs·bē ‚wāv]
(meteorology)
A large, slow-moving, planetary-scale wave generated in the troposphere by ocean-land temperature contrasts and topographic forcing (winds flowing over mountains), and affected by the Coriolis effect due to the earth's rotation. Rossby waves have also been observed in the ocean. Also known as planetary wave.


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Interpreting the oscillations as Rossby waves (which result from the restoring forces caused by differences in the Coriolis force with changing latitude) allows establishment of an upper limit on horizontal wind speed in the sampled region.
Along the equator, Rossby waves can reach Asia in 6 months.
These energetic events are the signature of topographic Rossby waves that are generated by meandering of the deep western boundary current and that propagate downslope into the deep basin interior.
 
 
 
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