What coastal features are found in Swanage Dorset?
Swanage Bay The soft rock is made of clay and sands, and the hard rock is chalk and limestone. As erosion processes take place, the clay erodes away quicker than the limestone and chalk. This forms headlands and bays , creating Swanage Bay and two headlands – Ballard Point and Durlston Head.
What type of coastline is Swanage?
Dorset is located in the south of England. Its coastline has examples of many erosional and depositional landforms. For example: Swanage is an example of a headland and bay.
What are the 4 coastal features?
Landforms of erosional coasts
- Sea cliffs. The most widespread landforms of erosional coasts are sea cliffs.
- Wave-cut platforms. At the base of most cliffs along a rocky coast one finds a flat surface at about the mid-tide elevation.
- Sea stacks.
- Sea arches.
What evidence is there of coastal management in Swanage Bay?
There is evidence of soft coastal management in this area. This is found all along Swanage bay, on the beach. Groynes (fig 1) have been built to prevent Long Shore Drift and to create beaches. The beach created is the best form of protection between the land and the sea.
What is the geology of the Dorset coastline?
Geology dominates the landscape, wildlife and local character of Dorset. From clay vales, limestone scarps, chalk downland to sandy heaths and even ancient landslides and erosion surfaces, a great diversity of rock types, erosional processes and structures have created the unique, variable and distinctive countryside.
How does geology affect coastal landforms?
Geology The geological structure of coasts and the types of rock found there influence the erosion landscapes formed. Soft rock— Easily eroded, cliffs will be less rugged and less steep. These landscapes include bays. Hard rock—Resistant to erosion, cliffs are high and steep.
What is coastal geology?
The Marine and Coastal Geology cluster group includes a diverse group of Earth scientists who work on the geological evolution of ocean basins extending from the coastal zone where most human interactions occur, to the active continental margins where oceanic plates are subducted and continental accretion occurs, to …
How does geology affect the coastline?
What are the types of coastal features?
Coastal Landform Types
- Delta Landforms.
- Estuary Landforms.
- Lakeshore Landforms.
- Rocky Coast Landforms.
- Sandy Coast Landforms.
- Tropical Coast Landforms.
What are coastal landforms?
Coastal landforms are the landforms along the coastline that are mostly formed by erosion and sediments from waves, longshore currents, rip currents, tides, and climatic factors like wind and rainfall, and temperature include headlands, cliffs, bays, spits, salt marshes, and beaches.
How is Swanage Bay protected?
Swanage Bay faces east and is protected by Peveril Point from major southwesterly storms. The Isle of Wight provides a degree of shelter from easterly storms.
What is Longshore Drift Swanage?
A longshore drift occurs where waves transport material along the beach if dominant waves approach the beach at an angle. The swash carries the material along the beach. However, the back wash will carry the material back down. This orocess will be repeated throughout the whole of the beach.
What is the history of coastal defence in Swanage?
Coastal defence works have been carried out in the area since the nineteenth century. Today, Swanage has 1.8km of coastal defence works, mainly concrete or stone sea walls and timber groynes.
What is the history of Swanage?
Today, Swanage has 1.8km of coastal defence works, mainly concrete or stone sea walls and timber groynes. The sea wall and groynes to the south of the bay were put in place in the late nineteenth century. Further coastal defence works were added in the 1920s and 1930s, in the form of an extension to the sea wall and timber groynes.
What is the coastal management in Swanage?
Swanage – Coastal management. Swanage is located on the south east corner of the Isle of Purbeck, and its coastline is therefore under the jurisdiction of Purbeck District Council. As Swanage is one of the few developed areas of coastline on the Isle of Purbeck, it is considered economically viable to carry out coastal defence works to protect…
Why are there so many landslips in Swanage?
During the winter months, landslips still occur in the cliffs around Swanage as rainfall lubricates the impermeable marl beds within the cliffs, causing the Purbeck limestone beds on top of them to slip onto the beach below.