Uk Landscape Flashcards

1
Q

What is slumping

A

Permeable rock on top of impermeable cause rotational slip

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2
Q

What is rock fall

A

A sudden release of rock due to undercutting

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3
Q

Name the four types of erosion

A

Corrosion, Attrition, Solution, Hydrolicaction

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4
Q

Name three types of weathering

A

Freeze thaw, soil and rock broken by vegetation and chemical reactions between rain and geology.

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5
Q

What is transportation

A

The movement of material in the sea: Traction, Saltation, Suspension and Solution

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6
Q

What is Traction

A

The movement of very large material such as boulders by rolling them along sea floor

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7
Q

What is saltation

A

The movement of a small amount of material by bouncing along sea bed

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8
Q

What is suspension

A

The movement of a fine amount of material by suspending it in the water

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9
Q

What is solution

A

The movement of a very fine amount of material by it being chemically dissolved in the water

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10
Q

What do we get when we have got a high amount of velocity

A

Erosion and transportation (traction and saltation)

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11
Q

What do we get when we have a slower velocity

A

Slower transportation (suspension and solution )

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12
Q

Where is erosion done

A

Cliffs

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13
Q

Where is transportation done

A

Beaches and material from eroded cliffs

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14
Q

What do we got we have a discordant coast line

A

A headland and bay from differences in geology

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15
Q

What do we get when we have a concordant coastline

A

A straight coastline because of there only being one rock type

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16
Q

What is topography

A

The height and shape of the land

17
Q

What was the UK’s landscape formed by

A

Glacial erosion and deposition
Weathering and climatological
Post glacial river and slope processes

18
Q

How does a wave form

A
  1. Prevailing winds
  2. Friction on the water
  3. Circular motion
  4. Friction on sea bed makes elliptical motion
  5. Fast on top, slow on bottom because of frictional drag
  6. Wave breaks because the top takes over the bottom
  7. Swash
  8. Backwash
19
Q

What is fetch

A

The distance in which the winds flow uninterrupted

20
Q

What conditions make big waves

A

A long fetch, steep shelving beach, strong winds

21
Q

What does big waves mean

A

More erosion

22
Q

What is the swash of the wave

A

When the wave breaks water is sent up the beach, this is stronger in constructive waves and weaker in destructive waves

23
Q

How much land does great Cowdenbeath lose each year

A

4 metres

24
Q

Name three hard engineering techniques

A

Gabions, rock armour and groynes

25
Q

Name three soft engineering techniques

A

Offshore reef, sand dunes, beach recycling