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Components of the Climate System Atmosphere Ocean Biosphere Geosphere Image from NASA.

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Presentation on theme: "Components of the Climate System Atmosphere Ocean Biosphere Geosphere Image from NASA."— Presentation transcript:

1 Components of the Climate System Atmosphere Ocean Biosphere Geosphere Image from NASA

2 Atmosphere & Ocean Circulation Atmospheric Circulation –Depends on density Ocean Surface Circulation –Depends on the wind Deep Ocean Circulation –Depends on density

3 Why is Ocean Circulation Important? Transport ~ 20% of latitudinal heat –Equator to poles Transport nutrients and organisms Influences weather and climate Influences commerce

4 Temperature Structure of Ocean thermocline

5 Ocean Circulation

6 Wind-drive ocean surface currents Wind driven 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 m 3 /s).

7 Atmosphere & Ocean Circulation Atmospheric Circulation –Depends on density Ocean Surface Circulation –Depends on the wind Deep Ocean Circulation –Depends on density

8 Sea Surface Temperature

9 Ocean Salinity

10 Temperature-Salinity (density) Diagram

11 Thermohaline Circulation North Atlantic Deep Water (NADW 15 million m 3 of near surface water descend into the deep ocean each second.

12 Thermohaline Circulation - The Ocean Conveyor

13 Equatorial to polar heat transport and water flow

14 Ocean – Atmosphere Circulation

15 UNEQUAL HEATING OF EARTH BUT – Outgoing solar radiation is not as uneven


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