Coastal Retreat (Edexcel A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
What type of waves cause coastal retreat?
What type of waves cause coastal retreat?
Destructive waves with high energy
Effect of higher tides on erosion
Effect of higher tides on erosion
Enable waves to reach backshore (not normally impacted)
Geological features providing erosion weaknesses
Geological features providing erosion weaknesses
Joints, cracks & bedding planes
What do human actions alter in sediment cells?
What do human actions alter in sediment cells?
Sources, transfers or sinks in sediment cell
Effect of coastal defences on sediment
Effect of coastal defences on sediment
Limit supply of sediment within cell
Example location of terminal groyne syndrome
Example location of terminal groyne syndrome
Mappleton, Holderness Coast
Effect of dams on coastal sediment
Effect of dams on coastal sediment
Result in less sediment input
What mass movement causes
What mass movement causes
Sudden coastal retreat
Are coastal recession rates consistent?
Are coastal recession rates consistent?
No - never consistent, varies by time & space
Rock types more susceptible to weathering
Rock types more susceptible to weathering
Limestone/chalk based cliffs