>>81694735
The equatorial water is pulled north. It has a name, the atlantic meridional overturning circulation.

>What does 1 metre cubed of ice do to liquid water temperature ?

1 cubic metre of ice is 917kg or 917,000. It takes 334 joules to melt 1 gram of ice. So would absorb 306 megajoules or 306,278,000 joules of energy at 0 celsius before it entirely melts.