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Glaciers: who, what where…

Glaciers: who, what where…. Aped valeys.

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Glaciers: who, what where…

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  1. Glaciers: who, what where…

  2. Aped valeys • Animated tutorial on formation and deformation, includes different types of glaciers. http://as17.as.uky.edu/academics/departments_programs/EarthEnvironmentalSciences/EarthEnvironmentalSciences/Educational%20Materials/Documents/elearning/module13swf.swf • McGraw Hill list of four animations http://highered.mcgraw-hill.com/sites/0072402466/student_view0/chapter12/animations_and_movies.html# • Computer animation of glacial erosion of v shaped valleys into u shaped valleys http://www.youtube.com/watch?v=O9wsnU3sK60&feature=related

  3. Glaciers: Rivers of Ice

  4. Bering Glacier, Alaska

  5. How do glaciers form?

  6. Snow accumulation > Snow melt

  7. Layers of snow accumulation, density changes.

  8. Crystals start to form.

  9. Snow under compression --- Ice crystals result.

  10. Dense (compacted, crystallized) glacial ice looks blue.

  11. How do glaciers flow like rivers?

  12. Glacial Deformation

  13. Crevasse near Hogsback

  14. How do glaciers move? • How do crevasses form?

  15. When glaciers retreat…

  16. Moraine Lake

  17. Eliot Glacier Retreat and Moraines

  18. Fault

  19. Lateral moraines

  20. Unsorted sediments

  21. Lyman Glacier, Ranier

  22. Pac NW Past Glaciation

  23. Puget Sound is the result of a glacier

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