U Shaped And V Shaped Valleys 🏜️ Flashcards
1
Q
What happens to the river channel in the valley?
A
It freezes and expands by 9%
2
Q
What does the ice do to the valley?
A
Erodes downwards and sideways forming that U shape
3
Q
How is a U shaped Valley formed
A
As glaciers flow through these valleys, they concentrate erosive action over the entire valley, widening its floor and over-steepening its walls. After the glacier retreats, it leaves behind a flat-bottomed, steep-walled U-shaped valley.
4
Q
Name one feature a u-shaped valley?
A
Staright, steep cliffs, small river, u-shape
5
Q
What is a v shaled valley
A
A valley that has been shaped by a river, it is narrow, steep, v shaped and has interlocking spurs of hard land and rock scree
