2. What is soil erosion?

3. How does it effect the environment?

4. What causes soil erosion?

5. Process of soil erosion

6. Preventing soil erosion

7. Where does it occur

8. Why should we be concerned? Water and wind carry soil and their pollutants to the lakes and Bay –Pollutants such as oil,grease, chemicals, fertilizers, animal wastes and bacteria These pollutants threaten our water quality Such soil erosion cost local government, homeowners, and the construction industry millions of dollars a year

9. Water erosion Occurs from the chemical in the water, and the force of the flow of water in the river –These chemicals can break down rock such as limestone and rock Water erosion starts with splash erosion

10. Sheet erosion

11. Gully Erosion

12. Rivulet Erosion

13. Other Types of Erosion Wind Erosion –Even though it doesn’t seem like big problem it does effect the areas of the world that are covered by a desert Glacier Erosion – ice erosion comes from glacier erosion –A combination of the water, ice and picked up sediment create a powerful eroding machine

14. Types of Erosion Cont. Sea Erosion –Chemicals and other salts erode weak rock along the coast such as limestone and chalk –The longshore drift then carries the eroded material up the shore Soil Erosion –Flooding and wind can carry the topsoil away from farmlands, which makes the soil then unfertile