Which mechanism reduces surface salinity when increased glacial melt enters the North Atlantic circulation?

💡 Explanation

When glacial melt increases, freshwater reduces the density of surface waters because salinity decreases inhibiting convective overturning, slowing down the thermohaline circulation. Therefore density-driven convective overturning slowdown is the consequence, rather than albedo, Ekman, or gradient enhancement manipulations which have different mechanisms.

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