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← GeographyWhich outcome occurs when a gyre's rotational speed decelerates?
A)Reduced coastal upwelling intensity✓
B)Increased deep-sea thermohaline mixing
C)Decreased atmospheric carbon sequestration
D)Intensified coastal erosion deposition
💡 Explanation
Reduced gyre speed weakens Coriolis Force, decreasing Ekman transport because it lowers water deflection magnitude; therefore, decreased nutrient-rich upwelling negatively influences coastal ecosystems, rather than enhancing mixing driven by density or directly, influencing carbon capture.
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