Long profile of a river

1. Long profile of a river

2. River Structure

3. What's the Point of all This? Can you work out what the river is trying to do by using this diagram?

4. 5 Ways That a River Reduces its Gradient Gradient = Rise(need to reduce) Run (need to increase)

5. 5 Ways That a River Reduces its Gradient Headward Erosion – lengthens course

6. 5 Ways That a River Reduces its Gradient Vertical Erosion downcutting reduces gradient

7. 5 Ways That a River Reduces its Gradient Lateral Erosion – meandering lengthens course

8. 5 Ways That a River Reduces its Gradient Deposition (in the delta) lengthens course

9. 5 Ways That a River Reduces its Gradient Deposition (on the bed) Reduces gradient