beaucoupBothans t1_jaet2ew wrote
Reply to comment by Few-Carpenter-5746 in Antarctic sea ice likely shrunk to a record low last week, US researchers said Monday, its lowest extent in the 45 years of satellite record-keeping by DoremusJessup
Cold water subducts and travels away as it sink below the warmer water on the surface that then cools then subducts as well driving the system south at the north pole and north on the south pole. It is called the ocean conveyor belt and is driven by temp and salinity. It is what keeps the gulf streams moving and mixes the oceans. Warm water moves to the poles cold water moves to the tropics.
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