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Disturbing the Existing Ocean Currents
The global ocean current system, known as the thermohaline circulation, is a complex phenomenon that is influenced by various factors, including temperature and salinity. We know that surface currents can be changed by wind, but the deeper currents are propelled by the freezing and melting of ice at the poles. As ice forms, the water becomes saltier and denser, causing it to descend to the ocean floor and creating a conveyor belt-like effect that influences the flow of ocean currents. This, in turn, impacts the movements and lives of countless marine species, including fish and sharks. Particularly, Antarctica plays a critical role in regulating the southern oceans.