the coastal zone 0.0 / 5 ? GeographyCoastal zonesGCSEAQA Created by: rebekah.cribbinCreated on: 26-03-17 17:19 constructive waves waves that push sand and pebbles further up the beach. They have a strong swash and weak backwash so help to build up the beach 1 of 25 destructive waves waves that remove material from the beach.They have a weak swash and strong backwash, pulling sand and pebbles down the beach when the water retreats 2 of 25 fetch the length of water over which the wind has blown, affecting the size and strength of waves 3 of 25 wave-cut platform area of gently sloping or flat rocks exposed at low tide 4 of 25 suspension fine sediment carried- makes water look muddy 5 of 25 solution dissolved material being carried 6 of 25 traction larger pebbles rolled along the sea bed 7 of 25 saltation small pebbles moved when one pebble hits another causing it to bounce (chain reaction) 8 of 25 groynes large wooden fences built on beaches to trap sediment 9 of 25 longshore drift the process which material is transported along the beach 10 of 25 spit a long ridge of sand and shingle 11 of 25 bars result of longshore drift, trap lagoons 12 of 25 weathering the breaking down of rock 13 of 25 hydraulic action fast flowing water getting into cracks causing cliff to break over time 14 of 25 abrasion wearing away of cliff 15 of 25 attrition wearing away of rocks colliding together 16 of 25 solution dissolved minerals 17 of 25 headland sticks out into the sea 18 of 25 bays beach 19 of 25 mass movement is when rock loosen by weathering move down the cliff due to gravity 20 of 25 freeze thaw the breaking of rock caused by the cycle of freezing and thawing 21 of 25 sliding when large chunks of rocks slide down a slope quickly without warning 22 of 25 slumping clay becomes saturated and material oozes down towards the sea as mud flow 23 of 25 human activity this area is well known for its sunny climate 24 of 25 ecosystem a unit made up of living thing and their non-living environment and cause as little harm to it as possible 25 of 25
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