1. The Hydrologic Cycle 3: Glaciers

2. Glaciers contain 76% of all the Freshwater on Earth!

3. Two Types of Glaciers: 1) Continental Ice Sheets

4. A) Antarctica Ice Shelf

5. B) Greenland

6. Antarctic Ice Sheet

7. Two Types of Glaciers: 2) Valley Glaciers

8. What are Glaciers? Highly compacted snow becomes glacial ice

9. Glaciers Move – Solid Ice Can Flow !

10. How do Glaciers Flow ? 1) Basal sliding

11. How do Glaciers Flow ? 2) Internal Plastic Flow

14. The Glacial Budget

16. Two Different Types of Glacial Landforms: 1) Erosional Before Glaciation Glaciation

17. Glacial Landscape

18. U – Shaped Valleys – near Sun Valley, Idaho

19. UD Geology Field Camp: West Chicago Creek U-Shaped Valley with Pater Noster Lakes

21. Cirque - Bowl Shaped Depression Carved By a glacier Tarn – A small lake filling a Cirque.

22. Horns – Pyramid Shaped Mountains Aretes – Linear Mountain Ridges

23. Dr. Goldman in the Grand Tetons, August 2000

24. Yosemite Falls: A Hanging Valley

25. How do Glaciers Erode Bedrock? 1) Plucking Roche Moutonee

26. How do Glaciers Erode Bedrock? 2) Abrasion - Glacial Striations