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CH3041
WORLD OCEANS
• Ocean :
stratified system (low – mid latitudes)
surface microlayer (» 2mm) enriched
mixed layer (0 - 300m) relatively well mixed
thermocline (300 - 500m)
steadily ¯ T
deep layer
(0.5- 11km) 1-2oC, poorly mixed
Thermohaline
conveyor
conveyor
• Ice (-salt) stays
at the surface
at the surface
• Saline
water
is
more dense and sinks
more dense and sinks
