V-shaped Valleys And Interlocking Spurs

Question 1

What is a v shaped valley?

Answer 1

A valley formed by the erosion of a river or stream overtime.

Question 2

What is the first stage in the making of a v shaped valley?

Answer 2

Vertical Erosion
river’s discharge is low in upper course + so river only has enough energy to erode downwards

Question 3

What is the 2nd stage of a v-shaped valley?

Answer 3

Weathering
Valleys sides are slowly broken down through weathering

Question 4

What is the 3rd stage of a v shaped valley ?

Answer 4

Mass movement
Weathered material transported via gravity + rainfall towards river channel
THIS STEEPENS THE RIVER SIDES

Question 5

What is the 4th stage of a v shaped valley?

Answer 5

V-shaped valley is created
Steep-sided + narrow valley shape is created because of upland areas

Question 6

What is an interlocking spur?

Answer 6

high land that alternates from either side of a v-shaped valley