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GCSE Geography- Paper 1 > River Landforms > Flashcards

Flashcards in River Landforms Deck (16)
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1

What do upper course features include

Steep v-shaped valleys

2

What do middle course features include?

Wider, shallower valleys, meanders and ox-bow lakes

3

What do lower course features include?

Wide flat-bottomed valleys, flood plains and deltas

4

What happens to the river as it moves through the upper course?

It cuts downwards

5

What is the gradient like as it moves through the upper course?

Steep and the river channel is narrow

6

What does vertical erosion in this highland part of the river help create?
(The upper course)

Steep-sided v-shaped valleys, interlocking Spurs, rapids, waterfalls and gorges

7

As the river erode the landscape in the upper course what does it do to avoid the areas of hard rock?

Wind and bend

8

If the river in the upper course winds and bends what does it create.

Interlocking spurs which look a bit like the interlocking parts of a zip

9

What happens in the upper course if a river runs over alternating layers of hard and soft rock?

Rapids and waterfalls may form

10

What does the middle course have?

More energy and a high volume of water

11

What is the gradient like in the middle course?

Gentle and lateral (sideways) eriosion has widened the river channel

12

What has the river channel also done in the middle course?

Depend

13

What does a larger river channel mean in the middle course?

There is less friction so the water flows faster

14

What does the river have in the lower course?

A high volume and a large discharge

15

What is the river channel like now in the lower course?

Deep and wide and the landscape around it is flat

16

What are the energy levels like in the lower course at the end of its journey?

They are low and this is where decomposition takes place.