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Chapter 9

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  1. Chapter 9 Circulation of the Ocean

  2. Chapter Outline • 9.1: Definition of currents • 9.2: Surface currents are driven by wind • 9.3: Surface currents affect weather and climate • 9.4: Wind causes vertical movement in the ocean (upwellings and downwellings) • 9.6: Thermohaline circulation and deep water currents.

  3. Currents • Surface Currents: Driven by wind

  4. Currents • Thermohaline Currents: Depend on temperature and salinity of water.

  5. Surface Currents

  6. Ekman Spiral and Net Flow

  7. Geostrophic Gyres

  8. North Atlantic Gyre

  9. Worldwide Gyres

  10. Worldwide Surface Currents

  11. Western Boundary Currents

  12. Western Boundary Currents and Eddies

  13. Eastern Boundary Currents

  14. Transverse Currents http://www.youtube.com/watch?v=JMLy4jV7Xgo

  15. Westward Intensification

  16. Surface Currents Affect Weather

  17. Upwelling and Downwelling

  18. Thermohaline Circulation

  19. http://www.youtube.com/watch?v=M7K-nq0xkWY