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The Work of the Sea (*Sea Cliffs (:A sea cliff is a high rock face that…
The Work of the Sea
*Sea Cliffs
:A sea cliff is a high rock face that slopes very steeply up from the shore
1: Waves erodes notch in the coast
2: The notch gradually becomes deeper
3:The are above the notch becomes so undercut that it collapses, forming a cliff
4:The former base of the cliff remain as a wave -cut platform
5:Material eroded from the cliff builds up to form a wavebuilt terrace
Examples: The Cliffs of Moher, Co Clare
How waves erode
1.Hydraulic action:
is the power of water as it crashes against the coast
2. Compressed Air :
becomes trapped in rock cracks by incoming waves. The pressure of the air can shatter the rock
3. Abrasion
: is erosion of the coastline by the stones that are hurled against it by the waves
Attrition
: The stones carried by waves are themselves smoothed and worn down.
Features of sea:
Erosion
Sea Stacks
Sea Stumps
Sea Arches
Sea Cave
Deposition
Spits
Bars
Tombolos
Lagoon
Coastal Erosion
The Work of the Sea
*Sea Cliffs
:A sea cliff is a high rock face that slopes very steeply up from the shore
1: Waves erodes notch in the coast
2: The notch gradually becomes deeper
3:The are above the notch becomes so undercut that it collapses, forming a cliff
4:The former base of the cliff remain as a wave -cut platform
5:Material eroded from the cliff builds up to form a wavebuilt terrace
Examples: The Cliffs of Moher, Co Clare
Features of sea:
Erosion
Sea Stacks
Sea Stumps
Sea Arches
Sea Cave
Deposition
Spits
Bars
Tombolos
Lagoon
How waves erode
1.Hydraulic action:
is the power of water as it crashes against the coast
2. Compressed Air :
becomes trapped in rock cracks by incoming waves. The pressure of the air can shatter the rock
3. Abrasion
: is erosion of the coastline by the stones that are hurled against it by the waves
Attrition
: The stones carried by waves are themselves smoothed and worn down.
Coastal Erosion
The Work of the Sea
*Sea Cliffs
:A sea cliff is a high rock face that slopes very steeply up from the shore
1: Waves erodes notch in the coast
2: The notch gradually becomes deeper
3:The are above the notch becomes so undercut that it collapses, forming a cliff
4:The former base of the cliff remain as a wave -cut platform
5:Material eroded from the cliff builds up to form a wavebuilt terrace
Examples: The Cliffs of Moher, Co Clare
Features of sea:
Erosion
Sea Stacks
Sea Stumps
Sea Arches
Sea Cave
Deposition
Spits
Bars
Tombolos
Lagoon
How waves erode
1.Hydraulic action:
is the power of water as it crashes against the coast
2. Compressed Air :
becomes trapped in rock cracks by incoming waves. The pressure of the air can shatter the rock
3. Abrasion
: is erosion of the coastline by the stones that are hurled against it by the waves
Attrition
: The stones carried by waves are themselves smoothed and worn down.
Coastal Erosion
The Work of the Sea
*Sea Cliffs
:A sea cliff is a high rock face that slopes very steeply up from the shore
1: Waves erodes notch in the coast
2: The notch gradually becomes deeper
3:The are above the notch becomes so undercut that it collapses, forming a cliff
4:The former base of the cliff remain as a wave -cut platform
5:Material eroded from the cliff builds up to form a wavebuilt terrace
Examples: The Cliffs of Moher, Co Clare
Features of sea:
Erosion
Sea Stacks
Sea Stumps
Sea Arches
Sea Cave
Deposition
Spits
Bars
Tombolos
Lagoon
How waves erode
1.Hydraulic action:
is the power of water as it crashes against the coast
2. Compressed Air :
becomes trapped in rock cracks by incoming waves. The pressure of the air can shatter the rock
3. Abrasion
: is erosion of the coastline by the stones that are hurled against it by the waves
Attrition
: The stones carried by waves are themselves smoothed and worn down.
Coastal Erosion
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