1. GEOL 108 - Crises of a Planet Lab 8 - Rivers and Flooding Oct. 23 - 26, 2012 Department of Earth Sciences

2. SURVEY RESULTS | 2 SURVEY RESULTS

3. Department of Earth Sciences SURVEY RESULTS | 3 SURVEY RESULTS “Other” included Ziggy Marley, Gangnam Style, Spice girlsss, ROCK and roll (get it?), House, Queen, Dubstep.. not, and Metal.

4. Department of Earth Sciences SURVEY RESULTS | 4 SURVEY RESULTS Most popular animals were lion and tiger. Unusual answers included Mick Jagger and a liger.

5. Department of Earth Sciences REVIEW | 5 QUIZ 6 REVIEW Describe the two ways in which fire can enhance the probability of mass wasting. What was the non-porous wood board an analog for in the sand experiment? How do small amounts of water affect slope stability when compared to large amounts of water? http://clearscience.tumblr.com/ Bonus: What two elements is steel usually made of?

6. Department of Earth Sciences RIVERS AND FLOODING | 6 LAB 8 - RIVERS AND FLOODING Plitvička

7. Department of Earth Sciences RIVERS AND FLOODING | 7 STREAM GENESIS Time 1 Time 2 Time 3

8. Department of Earth Sciences RIVERS AND FLOODING | 8 STREAM TYPES MeanderingBraided http://en.wikipedia.org/wiki/File:Waimakariri01_gobeirne.jpg http://en.wikipedia.org/wiki/File:Rio-cauto-cuba.JPG

9. Department of Earth Sciences RIVERS AND FLOODING | 9 STREAM EVOLUTION Point bars Cut banks Creation of oxbow lakes

10. Department of Earth Sciences RIVERS AND FLOODING | 10 STREAM EVOLUTION Stream paths move naturally over time Sometimes at odds with modern settlements

11. Department of Earth Sciences RIVERS AND FLOODING | 11 FLOODS Floods are a natural process Floods add nutrients to soil

12. Department of Earth Sciences RIVERS AND FLOODING | 12 FLOODS

13. Department of Earth Sciences RIVERS AND FLOODING | 13 FLOODS Levee and earthen dam failure

14. Department of Earth Sciences RIVERS AND FLOODING | 14 FLOODS Leaking weakens reservoirs Example: Taum Sauk Reservoir in Missouri National Agriculture Imagery Program (NAIP), USDA

15. Department of Earth Sciences RIVERS AND FLOODING | 15 FLOODS Taum Sauk Reservoir failed, more than a billion gallons emptied in 30 minutes

16. Department of Earth Sciences RIVERS AND FLOODING | 16 Baldwin Hill Reservoir Failure, 1963 Sanders et al., 2010

17. Department of Earth Sciences RIVERS AND FLOODING | 17 Baldwin Hill Reservoir Failure, 1963 Sanders et al., 2010