The Holderness Coast is the most rapidly eroding coastline in Europe. A stack at Selwicks Bay, Flamborough. Mappleton is an excellent case study of an attempt at coastal management. The land use to the south of Mappleton is predominantly agricultural. An annotated photograph to show the coastal management techniques used the protect Mappleton and their impact click to enlarge. You can clearly see the area to the south has very gently sloping beaches and high levels of erosion where the coastal defences stop. Waves during normally occurring storm events can reach up to 4 m.
Cliff stabilisation has had a positive impact in managing the threat of mass movement. Coastal fieldwork Find out about coastal fieldwork techniques. Typhoon Haiyan Case Study. 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 census indicated that the parish of Mappleton had a population of , and increase from in 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.
It is this soft boulder clay that is being rapidly eroded. Erosion at Skipsea illustrates the human impact of erosion in areas where coastlines are not being defended. If you’ve found the resources on this site useful please consider making a secure donation via PayPal to support the development of the site. They are narrow as the result of the lack of major rivers bringing new sediment into the coastal budget.
Pin It on Pinterest. This is evident in the image below. Following the construction of defences, they increased to 3.
The site is self-funded and your support is really appreciated. It works by absorbing — not reflecting — wave energy using large air spaces lnadforms the boulders and a broad surface area. The seabed consists of the glacial mud, sands and boulders, as do the cliffs. It extends 61km from Flamborough in the north to Spurn Point in the south.
The chalk headland has stumps and blowholes. The Holderness Coastline is in the North of England and runs between the Humber Estuary in the south and a headland at Flamborough head.
Indeed, today, farmland, tourist sites such as caravan parks and villages remain under threat. The coastline starts with blowholes, stacks and stumps at Flamborough, and culminates with Spurn head, a very large spit that runs across part of Humber Estuary.
This is known as cliff stabilisation. This means that even at high tide waves do not reach the base of the cliffs along the seafront at Mappleton and the erosion has slowed to a point where it is no longer a threat to the settlement.
So, blocks of granite were brought in and placed along the cliff base and 2 rock groynes studt put into place to trap sediment moving because of longshore drift. Pin It on Pinterest. The second is that the cliffs are made of soft boulder clay which erodes rapidly when saturated. The soft boulder clay underlying Hornsea provides clear evidence of the erosional power of the sea.
Landform Case Study: Holderness Coast Flashcards Preview
This is because water enters cracks and pore spaces in the rock, adding weight and making it slump. It is this soft boulder clay that is being rapidly eroded. Tidal range at the Holderness coast is very high and can reach up to 7 m.
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.
Landform Case Study: Holderness Coast Flashcards by | Brainscape
There are two main reasons why this area of coast is holdegness so rapidly. Coastal Landforms of Deposition. Rates of erosion to the south of the defences at Mappleton have increased significantly since the construction of defences at Mappleton. Defending the Holderness Coastline There is a debate about whether or not human beings should attempt to defend coastlines.