I think the thermohaline circulation
would still occur even if the earth rotated in the
opposite direction. That is, seawater would still
cool and sink to the bottom of the North Atlantic
Ocean to form North Atlantic Deep Water. I think
the ocean would continue to warm the air over the
North Atlantic as deepwater sinks and that this
warmed air would move eastward over northern
Europe to moderate the climate there.
Ice would continue to form around Antarctica.
This would still cause seawater to gain salt over
the continental shelves of Antarctica, especially
in the Weddell Sea and Ross Sea, to form Antarctic
Bottom Water. This dense water would then flow
downward from the continental shelves to the
bottom of the Southern Ocean. I think the
overall thermohaline circulation pattern would
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