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These deep-ocean currents are driven by differences in the water's density, which is controlled by temperature (thermo) and salinity (haline). This process is known as thermohaline circulation. ... Surface water is pulled in to replace the sinking water, which in turn eventually becomes cold and salty enough to sink.

Thermohaline circulation begins in the Earth's polar regions. When ocean water in these areas gets very cold, sea ice forms.

What is Thermohaline circulation?

The thermohaline circulation (THC) is that part of the ocean circulation which is driven by fluxes of heat and freshwater across the sea surface and subsequent interior mixing of heat and salt.

What is polar region?

The areas of the Earth that encircle its geographical poles and are contained inside the polar circles are known as the polar regions, sometimes known as the frigid zones as well as polar regions.

  • These deep-ocean currents are driven by differences in the water's density, which is controlled by temperature (thermo) and salinity.
  • This process is known as thermohaline circulation. In the Earth's polar regions ocean water gets very cold, forming sea ice.

Thermohaline circulation begins in the Earth's polar regions. When ocean water in these areas gets very cold, sea ice forms. The surrounding seawater gets saltier, increases in density and sinks. Winds drive ocean currents in the upper 100 meters of the ocean's surface.

To learn more about thermohaline circulation here

https://brainly.com/question/9585464

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