Thermohaline Circulation
Ocean circulation driven by temperature and salinity differences, transporting heat globally and affecting climate.
Real World
The Gulf Stream, part of the AMOC, carries warm Caribbean water to north-west Europe, which is why London at 51°N is far milder in winter than Calgary, Canada, at a similar latitude.
Exam Focus
Name both drivers — temperature AND salinity — and link freshwater input from Greenland ice melt to potential AMOC weakening.
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