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Background information on the coastal defences at Reculver.

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Introduction

Background information on the coastal defences at Reculver. In Roman times St. Mary's Church was built with Twin Towers as part of the building. Originally the church was 3kms away from the sea but as the cliff was eroded it eventually became next to the see. There was a danger the cliff under the Twin Towers and therefore the Twin Towers themselves would be destroyed by erosion. To stop this happening many coastal defences and different types of management have been erected. The initial try at coastal management was in 1809. Wooden and ragstone blocks were place at the foot of the Twin Towers to protect them. The apron of rocks (revetment) sheltered the cliff foot and face. A small number of wooden groynes were also put on to the beaches on both sides of the Towers to preserve the shingle beach and therefore using the shingle beach as a defence. Then after the devastating floods in 1953, in which North Kent was badly affected, a lot of building of hard defences to minimise the risk of more floods and the damage that is associated with them. A straight concrete sea wall from Reculver to Minnis Bay near Margate, 4.5 kms long, was built. The sea wall protected the low-lying farmland and in addition to this the railway that links Ramsgate and London. ...read more.

Middle

Beach nourishment continues each winter to replace the material lost by longshore drift. Reasons for Study at Reculver. The reason for conducting this study at Reculver Bay is because it is a prime example of many types of management and how effective they are at coastal defence. Reculver also has the historical Twin Towers and as a result of this many different management to reduce erosion around them. The many different types of management in this area enable as to study the ability of reducing the effects of natural coastal erosion at Reculver. Also how the processes of erosion still affect the natural landscape. For example, wooden groynes stop the loss of the beach material through longshore drift. However longshore drift still operates so the shingle would still move but the groynes would trap the shingle. This would equal a build up on one side. Key Questions 1. How and why do the beach profiles vary with different types of management? For this I will need to look at the management type being used and the length of facets and clinometer's readings. For these results I will be able to draw a beach profile and compare with the type of management used. This is important because I am looking at the effects of the different types of management. The answer to this question will show if and how the beach profile changes and how the natural beach area is affected by having the different management types there. ...read more.

Conclusion

However if there is a field above then the management type does not need to be as effective because the land is not as valuable. This question is significant because is shows the effectiveness of the management by which land is 'entrusted' to the management. 5. How does beach profile relate to pebble size? To answer this I need to know the facet length and clinometer readings to draw a beach profile and also the average pebble size for each facet. This means I can compare the average pebble size for a facet to the angle of the same facet. This shows how the coastal erosion processes work in forming the shape and layout of the beach. Introduction to each Site. Site 1 Grid Reference: 211690 Types of Management: - Recurved Sea Wall - Wooden groynes Site 2 Grid Reference: 205687 Types of Management: - Straight Sea Wall - Wooden groynes Site 3 Grid Reference: 201686 Types of Management: - Rip rap boulders Site 4 Grid Reference: 222693 Types of Management: - No management, all natural. Managed retreat. Site 5 Grid Reference: 228695 Types of Management: - Rip rap boulders - Rip rap rock groynes - Wooden groynes - Revetment Site 1 is near Herne Bay and the sites are along the coastline towards Reculver in a North East direction. Site 5 is situated on the beach below the Twin Towers at Reculver. See Location Map of the coastline being studied from Herne Bay to Reculver. Emma Grant 10PV GCSE Geography Coastal Erosion and Management Processes Introduction - 1 - ...read more.

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