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← GeographyWhich phenomenon causes the Rossby wave effect modulating jet stream patterns?
A)Latitudinal gradient of Earth’s rotation✓
B)Differential absorption infrared radiation
C)Thermohaline circulation ocean currents
D)Albedo differences land vs. glacial ice
💡 Explanation
When the latitudinal gradient of Earth’s rotation varies, the Coriolis effect changes with latitude because the deflection increases away from the equator, impacting air mass trajectories and forcing Rossby waves formation. Therefore the rotational gradient modulation results rather than radiation differences, thermohaline effects which affect slower phenomena.
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