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← GeographyWhich effect increases following sea ice melt amplification?
A)North Atlantic Deep Water sinking
B)Enhanced aerosol cloud albedo effect
C)Increased freshwater runoff stratification✓
D)Strengthened upper-ocean thermocline mixing
💡 Explanation
Increased sea ice melt causes runoff dilution, driving enhanced stratification; this weakens vertical salinity gradients needed for convective overturning because decreased dense water formation reduces thermohaline circulation, therefore the sea surface freshens rather than maintains density for sinking.
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