It is analogous to the Gulf Stream in the Atlantic Ocean, transporting warm,
tropical water northward towards the polar region.
A recent, widely publicized research study has suggested that the ocean's «thermohaline» circulation that keeps the Earth's north polar region warmed by the flow of
tropical water northward could suddenly shut down.
The sinking leaves a «vacuum» in its wake which helps to draw more
tropical water northward.
Not exact matches
The Atlantic Meridional Overturning Circulation (AMOC)- the transport of warm
tropical surface
water northward - is indeed propelled by dense
water sinking in the North Atlantic and travelling equatorward in the deeper layers, but it also has a wind - driven component to it.
You may be familiar with part of this circulation, the Gulf Stream, which brings warm,
tropical surface
water northward along the East Coast of the United States and funnels toward the poles.