Please review and answer all questions! Thanks 1. Which process dominates the Ea

Question

Please review and answer all questions! Thanks

1. Which process dominates the East Coast of the United States, deposition or erosion? Why?

2. Which process dominates the West Coast of the United States, deposition or erosion? Why?

3. What is the rate of sea level rise increase today?

4. What is the projected height for 2100?

5. During what month of the year would you expect the berm on the beach to be smallest? Why?

6. During what month of the year would you expect the berm on the beach to be largest? Why?

7. What are the two primary sources of all beach sand globally?

8. What are the two primary sinks for all beach sand globally? I.e. what causes the decrease in beach sand?

9. Scenario: You live on the beach in a residential area. Your neighbor builds a groin. You are down current from the groin. What will happen to your beach? What are two different options you can pursue to save your beach?

Quiz Questions

10. Which of these coastal structures is installed specifically to prevent coastal erosion?
A. seawall B. jetty C. groin D. breakwater

11. Which of these coastal structures is installed specifically to create protected low-energy water for boats?
A. seawall B. jetty C. groin D. breakwater

12. Which of these coastal structures results in bigger beaches in a particular location?
A. seawall B. jetty C. groin D. breakwater

13. Which of these coastal structures results in increased erosion in a particular location?
A. seawall B. jetty C. groin D. breakwater

14. Which of these coastal structures results in increased wave height in a particular location?
A. seawall B. jetty C. groin D. breakwater

15. Which of these coastal structures requires continued maintenance?
A. seawall B. jetty C. groin D. breakwater

Explanation / Answer

1) Deposition

Because of the continental margins and subducting plates

2) Erosion

transform fault boundary with large waves due to vast interrupted ocean expanse

3) 3.2 mm

4) 16 mm, 50 cm to 1.5 m

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