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Geography-Rivers > Landfroms > Flashcards

Landfroms Flashcards

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1
Q

Upper course features

A 
Steep sided v-shaped valleys
Interlocking spurs
Waterfalls 
Gorges
Rapids
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2
Q

Middle course features

A

Wider shallower valleys
Meanders
On-bow lakes

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3
Q

Lower course features

A

Wide flat bottom valley
Flood plains
Deltas

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4
Q

What happens when a river moves through upper course

A

Cuts downwards

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5
Q

What is gradient like at upper course

A

Steep

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6
Q

What is channel like at upper course

A

Narrow

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7
Q

What does vertical erosion in highland help to create

A 
Steep sided v-shaped valley
Interlocking spurs
Waterfalls
Gorges
Rapids
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8
Q

What happens when river erodes landscape in upper course

A

It winds and bends to avoid hard rock areas

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9
Q

The avoidance of hard rock in upper course creates….

A

Interlocking spurs

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10
Q

What happens when river flows over alternating layers of hard and soft rock

A

Rapids and waterfalls form

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11
Q

Example of where you can find interlocking spurs

A

Tributary of Yangtze River

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12
Q

Gradient in middle course is

A

Gentle

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13
Q

What has widened river channel in middle course

A

Lateral erosion

Sideways

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14
Q

What happens to river channel in middle course

A

Deepened and widened

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15
Q

Wide river channel in middle course means

A

Less friction so water flows faster

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16
Q

When river flows laterally from side to side what does it form

A

Large bends and loops called meanders

17
Q

Formation meander is from

A

Deposition

Erosion

18
Q

Landforms in lower course

A

Flood plains

Deltas

19
Q

River volume in lower course is

A

High

20
Q

Rivers discharge in lower course is

A

Large

21
Q

Landscape in lower course is

A

Flat

22
Q

Energy levels in lower course

A

Low

Deposition takes place

Geography-Rivers (3 decks)

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