Help

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

10.2 What does mantle convection look like?

Graph shows seismic tomography using global temperature.

Fig 10.7b

Going a step further with seismic tomography, we can begin to see a picture of how hotter (slower, less dense red) mantle and cooler (faster, more dense blue) regions are related.

View all slides | Contents of this slide