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← GeographyWhich mechanism regulates air temperatures across latitude during periods of increased solar irradiance?
A)Latitudinal heat redistribution via Hadley cells✓
B)Radiative cooling via stratospheric aerosols
C)Oceanic absorption via thermohaline convection
D)Albedo enhancement through enhanced snow cover
💡 Explanation
When solar irradiance increases, latitudinal temperature imbalances intensify, driving convection. Hadley cells efficiently redistribute heat from equatorial regions toward the subtropics through atmospheric circulation because pressure gradients increase, and latent heat transfer is enhanced. Therefore, heat redistribution regulates temperatures, rather than aerosol cooling, oceanic absorption, or albedo changes which have different primary drivers.
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