V Shaped Valleys ❄️❄️❄️ Flashcards

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1
Q

What is an interlocking spur?

A

They are areas of land that alternate from either side of a v shaped valley

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2
Q

What are v shaped valleys ?

A

They are produced as the river erodes its bed.
The river erodes vertically producing steep valley sides.

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3
Q

What is the 1st step in forming a v shaped valley ?

A

The rivers discharge (amount of water in a river) is low in the upper course and so the river only has enough energy to erode downward
This is called vertical erosion

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4
Q

What is the 2nd step in forming a v shaped valley?

A

The valleys sides are slowly broken down through the weathering.

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5
Q

What is the 3rd step in forming a v shaped valley ?

A

The weathered (broken down) material is transported via gravity and rainfall towards the river channel. This process steepens the valleys sides.

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6
Q

What is the 4th step in forming a v shaped valley ?

A

The steep sided and narrow valley shape that is created is typical of upland rivers

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