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← GeographyWhich outcome occurs when glacial melt intensifies significantly during summer?
A)Deep water formation weakens considerably✓
B)Salinity increases near polar latitudes
C)Thermohaline circulation accelerates southward
D)Coastal upwelling patterns intensify globally
💡 Explanation
Increased glacial melt reduces seawater density due to decreased salinity, inhibiting the sinking necessary for North Atlantic Deep Water formation through thermohaline circulation, because it disrupts the density gradients that drive the process. Therefore weakening occurs, rather than acceleration, because density is impacted.
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