SWANAGE BAY CASE STUDY GCSE

This means waves are slowed, reducing erosion and will help to protect proprties and cliffs. As areas of the Dorset coast are being eroded, properities and infrastructure are at risk. It connects the Isle of Portland to the mainland. Behind the limestone is a layer of clay which is softer so more easily eroded. The headland juts out into the sea, so it is more vulnerable to high-energy waves. Elsewhere, the cliffs are not covered by vegetation, so wet weather weakens them causing slumps.

How are geomorphic processes creating coastal landforms? Elsewhere, the cliffs are not covered by vegetation, so wet weather weakens them causing slumps. Biological weathering caused by the vegetation on the top of the headland is also breaking up the rock. The area around Swanage is made up of bands of hard and soft rock. 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.

How are geomorphic processes creating coastal landforms? The limestone cliffs forming the back wall of the cove are vulnerable to mass movement and sometimes experience small slides and slumps.

The entrance to the cove is narrow where the waves have cut through weaknesses in the resistant limestone. However, this creates a strong backwash which removes sediment from the beach and can lead to erosion under the wall. It has been created by longshore drift. The area around Swanage is made up of bands of hard and soft rock. Behind the spit there is The Fleet, a lagoon.

swanage bay case study gcse

Concrete sea walls are in place along most of Swanage beach. The Foreland, Old Harry and his Wife: It is unusual as it has formed parallel to the coastline. The headland juts out into the sea, so it is more vulnerable to high-energy swwnage. 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 wider beach.

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Behind the limestone is a layer of clay which is softer so more easily eroded. At the back of the cove is a band of more resistant chalk, so erosion is slower here.

An Examination of the coast line in the Swanage Area. – GCSE Geography – Marked by

Groynes Groynes are wooden or stone barries which are built at right angles to the coast. This means waves are slowed, reducing erosion and will help to protect proprties and cliffs. Its coastline has examples of many erosional and depositional landforms.

Because there’s no erosion, there is no material to replenish the beach swwnage the beach level will become lower. Towards the northern end of the bay the cliffs are covered in vegetation, stablising them and protecting them from erosion.

How is human activity, including mangement, working in combination with geomorphic processes to shape the landscape?

swanage bay case study gcse

How do climate and geolgy influence geomorphic processes? They trap material being transported by longshore stuey to create larger beaches which can then absorb wave energy to reduce erosion rates. The arch is gradually being worn away by mechanical, chemical and biological weathering.

Swanage and Coastal Erosion

The alternating bands of hard and soft rock run parallel to the coast. 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. It is called the Jurassic Coast as it has lots of fossils dating back to the Jurassic period. Sea wall Concrete sea walls are in place along most of Swanage beach.

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New timber groynes were installed on Swanage beach in and have reduced the loss of beach material. 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.

Dorset – case study of a UK coastal landscape

Lulworth Cove is situated on the south coast of England, on a concordant coastline. The soft rock is made of clay and sands, aby the hard rock is chalk and limestone.

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. There is also a risk for people from landslides and rockfalls. As areas of the Dorset coast are being eroded, properities and infrastructure are at risk.

Chemical weathering and erosion are gradually wearing down these down. Sediment has been deposited over time to form a spit.

swanage bay case study gcse