HOLDERNESS COAST CASE STUDY CLIFF COLLAPSE

It is an excellent example of a spit. The effectiveness of the measures taken on the Holderness coast are variable, but in general hard measures are successful in stopping or at least slowing down the erosion locally. The sea attempts to build up an equilibrium gradient by eroding these soft cliffs behind the beach, to which the strong waves have easy access. In addition to the clay being vulnerable to erosion, it is also prone to slumping. A stack at Selwicks Bay, Flamborough. As time goes on, this could mean that the headlands towns become more and more exposed to the force of the waves, while the coast in between the headlands will erode more and more until a stable bay is formed.

Erosion at Skipsea illustrates the human impact of erosion in areas where coastlines are not being defended. Spurn Point provides evidence of longshore drift on the Holderness Coast. Longshore drift tends to transport material south which has resulted in the formation of Spurn Point, a spit formed at the mouth of the Humber Estuary. Underlying the Holderness Coast is bedrock made up of Cretaceous Chalk. The processes of erosion and weathering occurring are numerous but include hydraulic action, freeze thaw, abrasion, solution and carbonation on the clay This has left a bay where the clay is and a headland jutting out to sea at Flamborough head. It has the unenviable reputation as the number one place in Europe for coastal erosion, and in a stormy year waves from the North sea can remove between 7 and 10m of coastline.

The Holderness Coast is located on the east coast of England.

holderness coast case study cliff collapse

Because the clay is an unconsolidated WEAK mass of clay particles and boulders it erodes more rapidly than the more resistant rock of chalk in the north. It extends 61km from Flamborough in coasr north to Spurn Point in the south. The Holderness Coast is located on the east coast of England.

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The geology runs sfudy bands, with a chalk layer at Flamborough in the North, Boulder clay or till laid down in the last ice age south of that and finally river deposits in the Humber Estuary. What is coastal transportation? Sea level rise associated with climate change and the prevailing north-easterly wind conspire to make this coast susceptible to rapid rates of coastal erosion.

Holderness Case Study Page

Click on the image for a clearer picture. Following the construction of defences, they increased to 3. However, due to the use of hard measures, erosion has increased downdrift of them. This is around 2 million tonnes of material every year. This is loose sediment or soil which as been either eroded or shaped by water. The road running through it, the B links towns along the coastline and would have been lost to coastal erosion if protection measures were not put into place.

Holderness Coast – United Kingdom

The exposed chalk of Flamborough provides examples of collappse, features such as caves, arches and stacks. The average annual rate of erosion is around 2 metres per year. What is boulder clay and how is it formed? Generally, the natural beaches of Holderness are almost always narrow and unable to stop wave erosion.

The land use to the collapsee of Mappleton is predominantly agricultural. The first is the result of the strong prevailing winds creating longshore drift that moves material south along the coastline. You can clearly see the area to the south has very gently sloping beaches and high levels of erosion where the coastal ccase stop.

View The Holderness coastline in a larger map. Pin It on Pinterest. The boulders are placed like a wall in a m line of defence along the shoreline.

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The Holderness Coast

The impacts of coastal erosion on socio-economic studg are: Rates of erosion to the south of the defences at Mappleton have increased significantly since the construction of defences at Mappleton. The average annual rate of erosion is around 2 metres per year. If you’ve found the resources on this page useful please consider making a secure donation via PayPal to support the development collappse the site.

The effectiveness of the measures taken on the Holderness coast are variable, but in general hard measures are successful in stopping or at least slowing down the erosion locally. Firefly needs a modern browser, so you may notice things look broken right now.

Coastal management at Hornsea and Withernsea are examples of hard collaps solutions to coastal erosion. The Holderness coast mainly consists of soft glacial drift cliffs, which have been cut back up to m over the last century.

Open this Word document and complete collapsw of the tasks using the Google map below ; Find out more about coastal erosion at this excellent website. Sorry, your blog cannot share posts by email. During the winter they have only a thin layer of sand covering the underlying clay, and in high summer the beaches build up cllapse for recreational purposes.

At Holderness the environment is primarily one of fetch-limited wind wave development, the dominant wave direction is north-easterly, creating a north-south orientated net longshore current.

holderness coast case study cliff collapse