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1Heat FlowControlled by:• Blackbody Radiation• Angle of Incidence• Tilt of the earthPolar CellFerrell CellHadley Cell2Review of basic Oceanography:Thermohaline Circulation3T-S PlotsAntarctic Bottom Water (AABW)N Atlantic Deep Water (NADW)Ant Intermediate Water (AAIW)Surface WaterChemical Profiles4Nutrient DistributionsThe abiotic oceanicenvironment exhibitslarge-scale latitudinaland longitudinalpatternsThe ocean basins allbehave similarly!So why are there somany differences inthe biology of theoceans?5Sea Surface TemperatureBiomass6BiogeographyFundamental Questions:How much do we need to sample the oceansto get a representative view?Are there large-scale trends, similar toterrestrial ecology?The oceans appear to be very similareverywhere--why are there so many speciesand adaptations in the ocean?789Light disappearsrapidly (exponentially)with depthAt the same time, thecolor of the light shifts101112131415Scattering in the oceanCoccolithophoreEmiliania huxleyihttp://earthguide.ucsd.edu/earthguide/imagelibrary/emilianiahuxleyi.htmlAbsorption plus ScatteringEddies off the coast of ChileRed tide16Countershading and CamouflageTransparency17ReflectionSquid eyes are sensitive to polarized light, while squid“camouflage” can hide polarized patterns (signals for


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