Kelvin wave

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An atmospheric or oceanic gravity wave normally generated by an imbalance between the Coriolis force (see Coriolis effect) and pressure gradients, and which travels eastwards (at approximately 2–3 m s−1 in the ocean). Kelvin waves propagating along the thermocline are particularly important in El Niño Southern Oscillation events.

Subjects: Meteorology and Climatology.

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