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← GeographyIncreased upper-ocean stratification enhances near-surface shear. Which outcome occurs when this shear force acts within subtropical gyres?
A)Enhanced anticyclonic eddy shedding✓
B)Weakened Ekman layer transport
C)Stabilized mixed-layer baroclinicity
D)Accelerated deep-water formation
💡 Explanation
Increased shear promotes instability and eddy generation through baroclinic instability because higher shear amplifies perturbation growth; therefore, more anticyclonic eddies shed, rather than weakening transport or stabilizing layers, given gyre-driven conditions.
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