coasts 0.0 / 5 ? GeographyCoastal zonesGCSEAll boards Created by: MILLIEWINDOWCreated on: 10-02-18 17:04 what is a swash? a swash is when a wave breaks on a beach 1 of 12 how/when is a cave formed? a cave is formed when waves erode a headland 2 of 12 what type of waves cause erosion? destructive waves cause erosion 3 of 12 name a coastal defence that prevents long shore drift groynes are a coastal defence that stops long shore drift 4 of 12 what is managed retreat? managed retreat is when you allow the coast to become flooded and erode naturally 5 of 12 how are waves created? waves are created by wind blowing over the sea 6 of 12 what is backwash? the backwash is when a wave rushes down the beach towards the sea 7 of 12 when do constructive waves occur? constructive waves occur when the swash is stronger than the backwash 8 of 12 when does deposition occur? depostition occurs when constructive waves enter on an area of shallow water or a sheltered area and where there is long shore drift 9 of 12 how does a sea wall protect a coast? a sea wall can protect the base of cliffs and flooding 10 of 12 when does abrasion occur? abrasion is when rock grinds against the cliff face 11 of 12 what is attrition attrition is the wearing away of rock 12 of 12
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