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Lecture10

Table of Contents

  1. Motion Inside Earth
  2. Why study Earth's internal motion?
  3. Why study Earth's internal motion?
  4. Why study Earth's internal motion?
  5. Why study Earth's internal motion?
  6. Why study Earth's internal motion?
  7. Why study Earth's internal motion?
  8. Why study Earth's internal motion?
  9. Why study Earth's internal motion?
  10. Why study Earth's internal motion?
  11. 10.1 How does convection work?
  12. Convection
  13. 10.1 How does convection work?
  14. 10.1 How does convection work?
  15. 10.1 How does convection work?
  16. 10.1 How does convection work?
  17. 10.1 How does convection work?
  18. 10.1 How does convection work?
  19. 10.2 What does mantle convection look like?
  20. 10.2 What does mantle convection look like?
  21. 10.2 What does mantle convection look like?
  22. 10.2 What does mantle convection look like?
  23. 10.2 What does mantle convection look like?
  24. 10.2 What does mantle convection look like?
  25. 10.2 What does mantle convection look like?
  26. 10.2 What does mantle convection look like?
  27. 10.2 What does mantle convection look like?
  28. 10.3 How does outer-core convection generate the magnetic field?
  29. 10.3 How does outer-core convection generate the magnetic field?
  30. 10.3 How does outer-core convection generate the magnetic field?
  31. 10.3 How does outer-core convection generate the magnetic field?
  32. 10.3 How does outer-core convection generate the magnetic field?
  33. 10.3 How does outer-core convection generate the magnetic field?
  34. 10.3 How does outer-core convection generate the magnetic field?
  35. 10.3 How does outer-core convection generate the magnetic field?
  36. 10.4 How do we know ... Earth's core is a dynamo?
  37. 10.4 How do we know ... Earth's core is a dynamo?
  38. 10.4 How do we know ... Earth's core is a dynamo?
  39. 10.4 How do we know ... Earth's core is a dynamo?

Text and Images from Slide

Computerized drawing built on the premises of Glatzmaier and Roberts.

Fig 10.16a

10.4 How do we know ... Earth's core is a dynamo?

It is hard to test a process occurring in the core. However we can build computer simulations built on these premises, as has been done by Glatzmaier and Roberts.

Note, this is a close-up of a core simulation and not the whole Earth.

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