Theme 7 - Our Changing Coastline Flashcards
What does the word relief mean ?
The shape of the land, in other words is it flat, hilly, gentle slopes, steep slopes
Name the 4 processes of coastal erosion
Hydraulic action, abrasion, attrition, solution
Name 3 different coastal landforms created by erosion
Caves, arches and stacks, headlands and bays, coves
Name and locate an example of caves, arches and stacks
Old Harry Rocks, Studland, Dorset
Name and locate an example of a cove
Lulworth Cove, Lulworth, Dorset
How does the type of rock affect the rate of erosion along a coastline?
Soft rock (less resistant rock) erodes quickly e.g clay and hard rock (more resistant rock) erodes slowly e.g chalk
Name two reasons for why sea levels are rising
Thermal expansion and polar ice caps melting
What is the difference between soft and hard engineering works?
Soft - blends in with the surroundings and is fairly cheap whereas hard is expensive and needs the use of machinery. Hard - also can be an eye-sore.