Climate Change

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Climate Change

  1. 1. Climate Change
  2. 2. Last week <ul><li>Walker Cell
  3. 3. El Nińo
  4. 4. La Nińa
  5. 5. Animation </li></ul>
  6. 6. Today <ul><li>Know how ocean currents operate
  7. 7. Understand how ocean currents impact upon weather and the carbon cycle
  8. 8. Know how the carbon cycle operates
  9. 9. Know how scientists study climate change
  10. 10. Understand the causes and results of climate change </li></ul>
  11. 11. Evidence of Climatic Change <ul><li>Climates have and are constantly changing
  12. 12. Scientist have various sources of evidence for this </li></ul>
  13. 13. Rocks
  14. 14. Fossil Landscapes
  15. 16. Dendrochronology
  16. 17. Historical records <ul><li>Cave paintings of elephants in central Sahara
  17. 18. Grape vines growing in UK AD1000
  18. 19. 2m deep graves in 13 th Century Greenland, 1m 14 th century </li></ul><ul><li>Fairs held on frozen river Thames in Tudor times
  19. 20. Measurements in advances and retreats of glaciers and polar sea-ice </li></ul>
  20. 21. Causes of Climatic Change <ul><li>Variations in solar energy
  21. 22. Astronomical relationships between the Earth and the Sun
  22. 23. Changes in oceanic circulation
  23. 24. Meteorites
  24. 25. Volcanic activity
  25. 26. Plate tectonics
  26. 27. Composition of the atmosphere </li></ul>
  27. 28. Carbon Cycle <ul><li>Animation
  28. 29. Effects ????
  29. 30. Climate change video </li></ul>

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