V- Shaped Valleys Flashcards
1
Q
How many stages are there to forming a v-shaped valley?
A
4
2
Q
What is the first stage?
A
A rivers discharge is low in upward course and only has enough energy to erode downwards - vertical erosion
3
Q
What is the second stage?
A
Valleys sides are slowly broken down through weathering
4
Q
What is the third stage?
A
Weathered material is transported via gravity and rainfall towards river channel. This steepens valleys sides
5
Q
What is the fourth stage?
A
Steep-sided and natural valley shapes that are created is typical of an upland river
6
Q
What is the definition of discharge?
A
Amount of water in a river at a given point
