U Shaped Valley Formation Flashcards
1
Q
1st step
A
Before glaciation the river carves out a V shaped valley because it erodes
out the base
2
Q
2nd step
A
During glaciation the ice fills the whole valley
3
Q
3rd step
A
Rates of erosion increase and also it wears away all of the sides of the
valley
4
Q
4th step
A
The valley floors and walls are eroded wider and deeper
5
Q
5th step
A
When the glacier melts a river flows again in the valley. It did not cause the
erosion and is called a ‘misfit’ stream.
