Holderness- Cliff Collapse Flashcards Preview

Physical Case Studies > Holderness- Cliff Collapse > Flashcards

Flashcards in Holderness- Cliff Collapse Deck (24)
Loading flashcards...
1
Q

How long is the Holderness coastline?

A

61Km

2
Q

What is erosion causing?

A

Cliff Collapse

3
Q

What’s the coastline doing?

A

Retreating

4
Q

On average, how much land is lost there every year?

A

1.8m

5
Q

Where has the rate of erosion been more than 10m per year?

A

Great Cowden

6
Q

Rapid Erosion Causes: What are the cliffs made of?

A

Boulder Clay

7
Q

Rapid Erosion Causes: What happens to boulder clay went wet?

A

It slumps, causing the cliffs to collapse

8
Q

Rapid Erosion Causes: What is boulder clay?

A

An easily eroded rock

9
Q

Rapid Erosion Causes: What are the beaches like?

A

Naturally narrow

10
Q

Rapid Erosion Causes: What’s the problem with narrow beaches?

A

They don’t slow the waves down very much, so give less protection to the coastline

11
Q

Rapid Erosion Causes: What has worsened the situation?

A

Groynes (at Mappleton)

12
Q

Rapid Erosion Causes: Why was groynes made things worse?

A

They’ve stopped material moving further down the coast, making beaches even narrower

13
Q

Rapid Erosion Causes: What type of waves does Holderness get?

A

Highly erosive waves

14
Q

Rapid Erosion Causes: What does Holderness face?

A

The prevailing wind direction from the North East (Arctic Ocean)

15
Q

Rapid Erosion Causes: Why have the waves got increased power?

A

As they have traveled a long distance

16
Q

Environmental Impacts: Name a SSSI that are threatened by erosion

A

The Lagoons, Easington

17
Q

Environmental Impacts: What’s stopping the lagoons from being eroded?

A

A narrow strip of sand and shingle (bar)

18
Q

Impacts on Lives: Give an example of where homes are at risk of collapsing into the sea

A

Skipsea

19
Q

Impacts on Lives: Name a road at the risk of collapsing into the sea?

A

Southfield Lane, between Skipsea and Ulrome

20
Q

Impacts on Lives: What do collapsing roads cause?

A

Access issues for residents and businesses

21
Q

Impacts on Lives: How many caravans are lost at Seaside Caravan Park at Ulrome each year?

A

10 pitches

22
Q

Impacts on Lives: How far from the cliff edge is the gas terminal at Easington?

A

25m

23
Q

Impacts on Lives: What percentage of Britain’s gas supply does the terminal at Easington produce?

A

25%

24
Q

Impacts on Lives: How much farmland is lost each year at Holderness?

A

80,000m2