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Do cave sizes change from west to east in Pegwell Bay?
Member rating: No Rating | Words: 1489 | Submitted: Tue Jan 22 2008
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5th form GCSE Geography Coursework Do cave sizes change from west to east in Pegwell Bay? A project to investigate rates of erosion in the chalk cliffs of Pegwell Bay, East Kent. Introduction About 20 well-formed caves show that active wave erosion is taking place along this coastline between the old seaweed tunnel and the sea-wall in Pegwell Cove. The cliff is about 15 metres high in the west (tunnel end) rising to 20 metres in the east (Pegwell Cove) Cliffs are made of well-jointed Chalk with few flints, but many faultlines. Faults, once exposed, form distinct lines of weakness, which are easily exploited in hydraulic action, abrasion, attrition and corrosion to form caves. The cliff face retreats at about 25cm per year, but in the more exposed eastern end, erosion is faster than this. In this western end (towards the old hoverport) erosion is slower. The main rock in Pegwell bay is chalk, overlain...
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