Waterfalls And Meanders Flashcards
1
Q
What is a meander?
A
A sweeping bend in a river
2
Q
How is a meander formed?
A
As the course of a river approaches its middle stages it flows over flatter land.Lateral erosion dominates as the river swings in large bends known as a meander.
3
Q
1st process for a water fall?
A
A river needs a band of soft rock
4
Q
2nd process of a waterfall
A
The underlying softer rock is undercut
5
Q
3rd process of a waterfall
A
Abration and hydrolic action cause this undercutting
6
Q
4th process of a water fall
A
The harder rock is left unsupported and colappses into the plunge pool
7
Q
5th process of a water fall
A
This process is repeated causing the waterfall to retreat upstream forming the gorge
