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Isle of Purbeck and the nearby coastal areas.

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´╗┐The Isle of Purbeck ________________ Introduction The Isle of Purbeck is in fact a peninsular in the south of England in Dorset. It is a popular tourist attraction because of its coasts and famous landmarks some of which are at the coast and are there as a result of weathering (how the sea and wind erode the rocks and landscapes). The residents main source of income comes from the man-made and natural tourist attractions along the coastline. the coastline is very useful to some of the towns in the isle of Purbeck because it makes the area a popular tourist site and thus a vital part of the area's economy. Many tourists visit Purbeck for its sea sides and erosional landmarks. there are a few well known towns one of which is Studland which is famous for its beach and nature reserves There is a problem with coastal erosion in this area because the land is made of clay and limestone. These are both soft stones that are easily broken-down by the waves and coastal wind. Some parts of the coast also expose rock with fossils from the Triassic, Jurassic and Cretaceous periods, about 185 million years old. ...read more.


Ballard Down Grassland Lulworth Cove Lulworth is a circular, sheltered bay by the village of west Lulworth on the Jurassic coast world heritage site in Dorset. Lulworth Cove was formed by the sea breaking through a comparatively thin layer of hard Portland Stone that runs parallel to the shoreline. Once through, the waves allowed much softer clays to be eroded away, much slower than the hard rock. When a straight wave hits a barrier with a hole in it, the wave pattern on the other side is semi-circular. The curved waves radiate out from the Cove entrance showing how Lulworth got it?s shape. Like below. Durdle Door Durdle is an erosional land form on the Dorset coastline. It is made of Jurassic limestone. You can only reach it on foot. Each year more than 200.000 walkers use the footpath between Lulworth Cove and Durdle Door, making it the busiest stretch in the south west. Other landforms Ringsted Bay- is another bay much like Studland Kimmeridge- The sea has eroded and exposed layer after layer of rock on cliffs of Kimmeridge Bay. ...read more.


This is why there are so many different landforms in the area, it's much easier for the waves to cut into the land and create the things we see there. Coastal Management of Swanage Swanage Bay has used Groynes to slow down the effects of longshore drift ( they are replaced regularly ) and used Beach Replenishment ( placing more sand on the beach from another source) . The groynes were first built in 1925, eighteen of them were reconstructed in 2005-6 at the same time the beach was replenished. The groynes cost £5000 each to build and replace, and the beach replenishment cost £3500 per metre. The only drawback of Beach replenishments is the cost. Groynes are very useful for slowing the effects of longshore drift to stop the beach from being carried away, but they are expensive in the numbers required for them to be effective. Neither of these coastal defences are completely successful in defending against floods in Swanage. Another type of Groyne is a Gabion Groyne. Gabion Groynes are not used in Swanage, they are gabions that are lined up horizontally to the shore and are used as groynes. Steel caged gabions will last 20-25 years, while stainless steel gabions will last much longer. ...read more.

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