This is around 2 million tonnes of material every year. Waves during normally occurring storm events can reach up to 4 m. In addition to this the Holderness Coast is a popular destination for holidaymakers and during the summer months, the road is used heavily by tourists. Pin It on Pinterest. View the coasts menu. The rock armour revetment has been very effective in protecting the cliff to the southern end of the settlement. The second is that the cliffs are made of soft boulder clay which erodes rapidly when saturated.
You can clearly see the area to the south has very gently sloping beaches and high levels of erosion where the coastal defences stop. How far is the sea from the terminal now?
Holderness Case Study Page
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. BBC Bitsize footage – Holderness coast. The site is self-funded and your support is really appreciated. This is around 2 million tonnes of material every year. The area contains ‘text book’ examples of coastal erosion and deposition. At Holderness the environment is primarily one of fetch-limited wind wave development, holdegness dominant wave direction is north-easterly, creating a north-south orientated net longshore current.
Cliff stabilisation has had a positive impact in managing the threat of mass movement. Coastal fieldwork Find out about coastal fieldwork techniques. Waves during normally occurring storm events can reach up to 4 m. What is coastal erosion?
Holderness Case Study Page — RHS Intranet
Following the construction of defences, they increased to 3. Tidal range at the Holderness coast is very high and can reach up to 7 holderness. What is the knock-on effect of this?
As the movement of sediment has been disrupted due to the construction of the stone groynes material previously feeding the beaches to the south of the Mappleton is restricted. It was decided t6hat the cost of coastal defence for a village of only people was less than the cost of building a new road.
Mappleton is a small village that could become village number 30 lost to the sea. Kerala flood case study. Holderneess is being done at Withernsea to protect the town? The Holderness Coast is a great case study to use when examining coastal processes and the features associated with them. Why have groynes been built at Mappleton?
Click on the image for a clearer picture. The weak clay, stormy nature of the North Sea, and rising sea levels of 4mm per year mean that the future is bleak for parts of this coastline. Geogaphy, the natural beaches of Holderness are almost always narrow and unable to stop wave erosion.
Coastal defences and erosion at Mappleton. As the result of the coastal scheme at Mappleton no properties have been lost to the sea and the B remains safe from the risk of erosion.
Although wave refraction focuses the waves energy on the layered and faulted rocks of Flamborough head, eroding the calk, the incredibly weak nature of the clay still means that it erodes faster than the chalk. Pin It on Pinterest. During the winter they have only a thin layer of sand covering the underlying clay, and in high summer the beaches build up enough for recreational purposes.
This has left a bay where the clay is and a headland jutting out to sea at Flamborough head. This is around 2 million tonnes of material every year. View The Holderness coastline in a larger map. Indeed, today, farmland, tourist sites such as caravan parks and villages remain under threat.
It is sttudy excellent example of a spit. In order to protect the cliffs along the front of Mappleton from undercutting, their gradient was also reduced artificially. Mappleton is an excellent case study of an attempt at coastal management.