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Geography

Which mechanism causes increased coastal aridity when a strong coastal upwelling event suppresses development thermohaline-driven gyres?

A)Diminished onshore moisture transport
B)Reversal atmospheric pressure gradients
C)Strengthened offshore Coriolis effect
D)Intensification coastal fog dissipation

💡 Explanation

When a strong upwelling suppresses gyre formation, reduced thermohaline circulation diminishes onshore moisture transport because the gyres normally support latent heat transport, leading to drier condidtions. Therefore, diminished transport results, rather than pressure reversal, changes to coriolis, or fog dissipation, each necessitating different atmospheric conditions.

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