1. Erosion and Human Impact
How do humans effect weathering and erosion?

2.                                                       
Erosion

3. Human intervention can increase and decrease erosion. #33

4. Human activities, such as reducing forest cover and intensive farming, have changed Earth’s surface #34

5. One simple way to keep soil healthy is to ensure that the soil is never bare. That means keeping plants in dirt for as long as possible #35

6. Humans can increase erosion through poor farming practices or disturbing the land through development #36

7.  Man-made structures along the coastline often have the unwanted side effect of enhancing coastal erosion #37

8.  Man-made structures are sometimes built to help control erosion #38

9. Construction on steep slopes can lead to mass wasting (erosion by gravity), including slumps and landslides #39

10. Due to misusing soil, desertification, nutrient depletion of soil, and mass wasting can occur #40 

11. Mass movement and mass wasting is the downhill movement of large amounts of surface material caused by gravity #41 

12. Examples of mass movement and mass wasting are creep, rock falls, avalanches, mudslides, mudflow, and rock slides #42
Avalanche
Rock Slide

13. Mud Flow
Mudslide

14. Creep is a very slow mass movement that goes on for years or even centuries. #43

15. You can't see creep happening but leaning fences and poles and broken retaining walls show where it has taken place. #43

16. Creep is the slowest type of mass movement #43

17. Good Farming Techniques can prevent soil erosion.

18. Shallow tilling farming

19. Contour Plowing

20. Contour Plowing

21. Windbreaks