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The Holderness Coastline is located near East Riding of Yorkshire. The coastline is Europe's fastest eroding coastline. This case study will explain the process and effects of the erosion taking place

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Introduction

Holderness Case Study Case Study Questions Who is affected by the erosion? What is being done to manage the coast? Where are the effects of management and where is the erosion taking place? Why is the coast being eroded? When does the most erosion take place? How do human effect the erosion? The Holderness Coastline is located near East Riding of Yorkshire. The coastline is Europe's fastest eroding coastline. This case study will explain the process and effects of the erosion taking place and the coastal management decisions. The Holderness coast stretches over 60 km and supports many homes and towns. Over the last 2000 years the coast has retreated 400m and continues to do so at a speedy speed. The retreat caused over 30 villages since Roman times, to have fallen into the sea. The average rate of retreat calculated is 1.8m per year. Many people along the coastline are affected due to the rapid retreat of the land. Many of their property are threatened, and some of the people are not guaranteed that their area will be protected. ...read more.

Middle

In Flamborough, noticeable wave-cut notches are created as the wave penetrates the faults in the cliff. The continuous erosions lead to the formation of caves and arches. When the arch is weakened by the waves and weathering, it collapses. This creates a stack, when the stack gets worn out, it is called a stump. There is no need to manage the northern part of the coast. But there are many defence strategies used across the southern coastline as there is more erosion compared to the north where the material is quite stable. There are some places where not much is done to protect it; only rock waste is used to protect Barmston. In Withernsea, there are groynes and a sea wall, similar to the technique used in Hornsea. A return wall is built and it is protected by rip-rap which is a rock armour. There are also beach nourishments as the natural beaches have disappeared. So the wave-cut platform can be seen, and the cliffs are exposed to the destructive waves. There are also some disadvantages with this management. ...read more.

Conclusion

By using groynes to trap beach sediments, very rapid erosion of cliffs and beaches may occur elsewhere. So, by using groynes in Hornsea, there is less material deposited in Mappleton. But, Mappleton also wants a beach to keep its tourism sector alive. Therefore, they also have groynes and defences to protect their coast. Consequently, no material is deposited in other places, instead the speed of erosion increases further south. An example would be Great Cowden, 3km south of Mappleton's and 6km from Hornsea's growing beach. Spurn Head which is the spit, is different environmentally compared to the other places but the main problem here is also erosion. Many powerful winter storms let the wash over the neck of the spit. It was decided that they use the management strategy called 'abandonment'. It was scheme was officially applied in 1995, as they couldn't afford repairing the damage. Applying this idea to other parts would be very difficult, as the residents and other people wouldn't agree with it as they might own land or houses. If the area isn't protected, then they could loose what they own. So choosing what to protect and how to protect it is a difficult task, as that decision could affect the condition in other places. ...read more.

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