4 kinds of coastal erosion -Answers -Solution, abrasion, attrition, hydraulic power
Abrasion -Answers -Sandpapering pebbles grinding against platform until smooth
Afforestation (preventing flooding) -Answers -Trees planted to increase interception of
rain water
Attrition -Answers -Pebbles carried by sea knock against each other to be smaller and
rounder
Bars -Answers -Longshore drift caucuses spit to grow across a bay trapping a lake
behind it causing a bar waves deposit sediment due to friction with seabed, build up of
sediment cause wave to break from coast
Beach nourishment (coast defence) -Answers -Dumping new sand onto eroding
beaches to restore them, needs maintaining and is costly
Beach stabilisation (coast defence) -Answers -Planting dead trees in sand widens
beach but requires maintenance
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