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Components of the Climate System. Atmosphere Ocean. Biosphere Geosphere. Image from NASA. Atmosphere & Ocean Circulation. Atmospheric Circulation Depends on density Ocean Surface Circulation Depends on the wind Deep Ocean Circulation Depends on density.

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Components of the climate system
Components of the Climate System

  • Atmosphere

  • Ocean

  • Biosphere

  • Geosphere

Image from NASA


Atmosphere ocean circulation
Atmosphere & Ocean Circulation

  • Atmospheric Circulation

    • Depends on density

  • Ocean Surface Circulation

    • Depends on the wind

  • Deep Ocean Circulation

    • Depends on density


Why is ocean circulation important
Why is Ocean Circulation Important?

  • Transport ~ 20% of latitudinal heat

    • Equator to poles

  • Transport nutrients and organisms

  • Influences weather and climate

  • Influences commerce




Wind drive ocean surface currents

Wind driven surface currents

Wind-drive ocean surface currents

  • How fast? A few miles/hr (Gulf Stream off of Miami = 4.5 mph)

  • How much?Total water in ocean surface circulation = about 100 Amazon Rivers (20 million m3/s).


Atmosphere ocean circulation1
Atmosphere & Ocean Circulation

  • Atmospheric Circulation

    • Depends on density

  • Ocean Surface Circulation

    • Depends on the wind

  • Deep Ocean Circulation

    • Depends on density


Sea surface temperature
Sea Surface Temperature

http://www.ldeo.columbia.edu/dees/ees/climate/slides/sst_march.gif


Ocean salinity
Ocean Salinity

  • http://www.ldeo.columbia.edu/dees/ees/climate/slides/sal_march.gif

  • http://ingrid.ldgo.columbia.edu/



Thermohaline circulation
Thermohaline Circulation

North Atlantic Deep Water (NADW

15 million m3 of near surface water descend into the deep ocean each second.






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