Geography • Physical GeographyMedium
Which of the following describes the thermohaline circulation in the oceans?
A. Driven exclusively by surface wind stress and Coriolis force
B. Driven by differences in water temperature and salinity affecting density✓ Correct Answer
C. Confined strictly to the upper 200 meters of the water column
D. Operating independently of global heat distribution mechanisms
💡 Solution & Explanation
Thermohaline circulation is driven by global density variations caused by differences in seawater temperature and salinity forming deep-ocean conveyor currents. Wind stress primarily drives surface ocean currents rather than deep-sea thermohaline movements. This global ocean conveyor plays a decisive role in regulating planetary climate systems.
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