Coastal Erosion Features

Coastal Erosion Features
We need to look at 4 major sets of features. The first is nothing to be concerned about as we covered it
previously –
1.
2.
3.
4.
5.
Cliff erosion – slumping
Cliffs and Wave Cut Platforms
Bays and Headlands
Headland Erosion – Caves, Arches, Stacks and Stumps
Special areas of erosion – Lulworth Cove
1. Cliff Erosion – Slumping @ Weybourne, Norfolk
Explain the process of slumping as shown by the diagram above. Use the key words below and highlight them
Use the following words –
SAND, CLAY, RAINFALL, SATURATED, IMPERMEABLE, PERMEABLE, HEAVY, UNDER GRAVITY in
addition to any others (8 marks)
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2. Cliff and Wave Cut Platforms
For each of the numbers I would like you to write a detailed statement (to include coastal processes)
explaining the formation of Wave Cut Platforms (12 marks)
3. Bays and Headlands – Swanage Bay
Stage 1
Stage 2
Having drawn, coloured and completed your Stage 2 I would like you to answer the following question –
Explain the formation of Bays and Headlands using the following words in your answer
WAVES, COASTLINE, RESISTANT ROCK, CLAY, LIMESTONE, SOFTER LESS RESISTANT ROCK, HEADLAND,
BAY, FETCH, HYDRAULIC ACTION (WITH DEFINITION), ABRASION (WITH DEFINITION) (15 marks)
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Bays and Headlands (continued)
Purbeck Coast, Dorset – Old Harry’s Rocks
Looking at the Ordnance Survey map, describe the shape of the coastline from Studland Bay to
Durlston Head. Include grid references in your answer.
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Look at the geology map above and on your OS map draw the different lines of rock type as
accurately as possible. Add the different rock types and shade if you wish!
Now knowing the various rock types of this area, explain why the coastline is the shape it is!
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4. Headland Erosion – Caves, Arches, Stacks and Stumps – Old Harry’s Rocks
Make a copy of this below –
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Include title of the feature as above the box
Label with 5 key features
Include 5 detailed annotations to explain is formation
Draw a dotted line to represent the previous rock that would have been present (key)
(10
marks)
5.Special areas of erosion – Lulworth Cove
Lulworth Cove
In the boxes below draw 4 diagrams
explaining the formation of Lulworth
Cove – each diagram must include a
commentary to explain what is going
on – remember coastal processes!
(5 marks)