SWANAGE CASE STUDY GCSE

Concrete sea walls are in place along most of Swanage beach. It is unusual as it has formed parallel to the coastline. There is also a risk for people from landslides and rockfalls. Chemical weathering and erosion are gradually wearing down these down. The spit has continued to join to the Isle of Portland. The Foreland, Old Harry and his Wife: A concordant coastline has the same type of rock along its length.

It is unusual as it has formed parallel to the coastline. Groynes Groynes are wooden or stone barries which are built at right angles to the coast. The alternating bands of hard and soft rock run parallel to the coast. However, this creates a strong backwash which removes sediment from the beach and can lead to erosion under the wall. An arch at the end of the headland has collpased to form a stack called Old Harry and a stump called Old Harry’s Wife.

Coastal management strategies are being used along the Dorset coastline to prevent erosion in some areas but they have impacted the landscape and caused changes to the natural environment.

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However, this creates a strong backwash which removes sediment from the beach and can lead to erosion under the wall. The headland is made out of chalk, a hard rock. This caused the formation of Old Harry, a stack.

The arch is gradually being worn away by mechanical, chemical and biological weathering. Groynes Groynes are wooden or stone barries which are built at right angles to the coast. The alternating bands of hard and soft rock run parallel to the coast. Dorset is located in the south of England.

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Erosion by waves opened up a crack in the headland, which then became a cave and eventually an arch. The bands of soft rock erode more quickly than those of the more resistant hard rock leaving a section of land jutting out into the sea, called a headland. In the wintersand and shingle were dredged from the swanagee bed stuyd Poole Harbour and added to the upper parts of Swanage beach creating a wider beach.

Erosion is the dominant process in caes bay with the beach losing material year on year. They reflect waves back out to sea preventing erosion of the cliff.

The Foreland, Old Harry and his Wife: It connects the Isle of Portland to the mainland. Lulworth Cove is situated on the south coast of England, on a concordant coastline. Sea wall Concrete sea walls are in place along most of Swanage beach.

An Examination of the coast line in the Swanage Area.

Dorsert is located on the southern coast of the UK. It is called the Jurassic Coast as it has lots of fossils dating back to the Jurassic period.

swanage case study gcse

How are geomorphic processes creating coastal landforms? The soft rock is made of clay and sands, and the hard rock is chalk and limestone.

swanage case study gcse

There is also a risk for people from landslides and rockfalls. Biological weathering caused by the vegetation on the top of the headland is also breaking up the rock. Over time Old Harry will collapse to form a stump.

swanage case study gcse

Elsewhere, the cliffs are not covered by vegetation, so wet weather weakens them causing slumps. Groynes are wooden or stone barries which are built at right angles to the coast. The entrance to the cove is narrow where the waves have cut through weaknesses in the resistant limestone. How do climate and geolgy influence geomorphic processes?

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New swanagf groynes were installed on Swanage beach in and have reduced the loss of beach material. Behind the limestone is a layer of clay which is softer so more easily eroded.

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The areas where the soft rock has eroded away, next to the headland, are called bays. Beach replenishment In the wintersand and shingle were dredged from the sea bed at Poole Harbour and added to the upper parts of Swanage beach creating a wtudy beach. But, by stopping the movement of beach material along the coast beaches further down the coast are becoming narrower and subject to more erosion due to reduced ability to absorb wave energy.

The spit has continued to join to the Isle of Portland. Towards the northern end of the bay the cliffs are swanaye in vegetation, stablising them and protecting them from erosion. It is unusual as it has formed parallel to the coastline. Behind the spit there is The Fleet, swanaye lagoon.

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