A major system of ocean currents known as The Atlantic Meridional Overturning Circulation, AMOC, helps to regulate temperatures in the northern hemisphere VIDEOGRAPHIC
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00:00Amok, the Atlantic Meridional Overturning Circulation, is a system of ocean currents.
00:14This system, which includes the Gulf Stream, helps to regulate temperatures in the Northern
00:18Hemisphere.
00:20The masses of warm water move along the surface from the equator towards the north.
00:25At depths of up to 1000 meters, they transport nutrients from carbon to oxygen.
00:32During their voyage north, these waters release heat into the atmosphere, which allows Europe
00:37to have warmer winters.
00:40This process gradually cools the masses of water.
00:45Sea ice forms, releasing salt into the ocean.
00:51The masses of cold salty water are denser and sink.
00:56The formation of these deep waters constitutes the major carbon sink in the Northern Hemisphere.
01:02Then the waters return towards the South Atlantic and the Southern Ocean.