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Coastal erosion in East Anglia is occurring at the rate of over 2 metres per year in some places and is a constant problem due to natural causes and human activities.
- Words:
- 1347
- Submitted:
- Wed Aug 27 2003

... Introduction Coastal erosion in East Anglia is occurring at the rate of over 2 metres per year in some places and is a constant problem due to natural causes and human activities. Until recently, protection was done gradually and completed on a local scale. Recent studies have highlighted the need for a more comprehensive approach on a regional scale. Many different strategies have been suggested eg. Wave walkers, rip-rap boulders, sea walls, with re-surfacing and drainage. Erosion There are four main types of erosion. * Corrasion (abrasion) is caused by large waves hurling beach material against a cliff. * Attrition is when waves cause rocks and boulders on the beach to bump into each other and to break up into small particles. * Corrosion (solution) is when salts and other acids in seawater slowly dissolve a cliff. * Hydraulic pressure is the force of waves compressing air in cracks in a cliff. These four types of erosion













