What occurs to local ocean temperature when a prolonged period of decreased trade winds weakens coastal upwelling?

💡 Explanation

When trade winds diminish, wind-driven upwelling weakens because the density gradient cannot overcome the reduced wind force. Therefore, upwelling of cold, deep water decreases, causing a rise in sea surface temperature, rather than decreased salinity, increased offshore temperatures or amplified layer stratification which require enhanced mixing or pressure effects only attainable via strong winds.

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