Deep Ocean Circulation
The
global ocean circulation system transports heat worldwide and affects
climate in many areas. For example, Europe would have much colder
winters if it were not for the Gulf Stream. Winds blow surface
waters and cause ocean currents. But the waters below the depths
of the wind's influence flow because of differences in temperature
and saltiness (called salinity). Begin
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Going
vertical: Gauging ocean overturn rates
Water in the ocean has different ages at different depths. Scientists can determine
these ages, and find out how long water takes to circulate through the entire
ocean and then come back to the surface. Learn
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