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← GeographyWhich outcome occurs when high Arctic ice melt disrupts the North Atlantic ocean?
A)Weakened thermohaline circulation throughout North✓
B)Increased coastal erosion Greenland shores
C)Greater upwelling Patagonian continental shelf
D)Intensified El Niño Southern Oscillation phase
💡 Explanation
Weakened thermohaline circulation can occur with excess fresh water influx at high latitude because decreased salinity reduces density, inhibiting North Atlantic Deep Water formation causing reduced global distribution rates, thereby slowing density-driven water movement; therefore circulation weakens, rather than directly effecting coastal erosion or El Nino.
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