Coasts 3.5 / 5 based on 4 ratings ? GeographyCoastsGCSEAQA Created by: Courtney HeyworthCreated on: 06-11-14 15:36 What is a multi-use coastal area? an area that is used for more than one thing like environment, reccreational and economic 1 of 16 what does growth mean? areas used for business development 2 of 16 what is prevailling wind? the dominant wind in an area 3 of 16 what is a crest top of a wave 4 of 16 what is swash movement of waves up a beach 5 of 16 what is backwash movement of water down a beach 6 of 16 What are subaerial processes procceses that attack the face and top of a cliff 7 of 16 What is marine erosion the wearing away of rocks by the action of the sea 8 of 16 Wwhat is weathering breaking down of rocks by action of weather plants or chemical actions 9 of 16 What is a headland land that juts out into the sea 10 of 16 What is hard engineering? controls power of sea with barriers between the sea and land eg sea walls, groynes and gabions 11 of 16 What is abrasion? in storm conditions waves pick up sand and pebbles and hurl them at the cliff face 12 of 16 What is attrition? sand and pebbles constantly colliding with each other wearing awat beach material making it smaller and rounder 13 of 16 What is hydraulic action? sheer force of waves breaking against a cliff causing parts of cliff to break away 14 of 16 What is corrosion? sea water is very corrosive and can slowly increase the size of cracks in chalk and limestone 15 of 16 What is wetting/drying? Softer rocks like clay expand when they are wet and contract when they dry out. This can weaken rocks and make them more easily eroded. 16 of 16
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