Global Ocean Circulation (2) 1.Wind-driven gyre-scale circulation of the surface ocean and upper thermocline 2.Global heat and freshwater water transport,
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Global Ocean Circulation (2)1. Wind-driven gyre-scale circulation of the
surface ocean and upper thermocline
2. Global heat and freshwater water transport, conservation properties
3. Water mass properties, polar convection and mixing, tracers, global thermohaline circulation
Focus on conservation principles:Balancing heat, salt, etc. into and out of boxes
Positive implies ocean cooling Distribution largely follows SST
Shaded is net cooling
Shaded is net cooling Western boundary currents are all coolingEquator is warming – especially in the east
Shaded is net cooling
Shaded is net cooling
RT = Radiation total at the top of the atmosphere from Earth Radiation Budget ExperimentOT = ocean transport from net air-sea heat fluxAT = atmospheric transport (calculated from RT – OT)