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Will management of the Dunwich coastline and heath land improve the lifestyle of and the environment for the local people?

Extracts from this document...

Introduction

Table of Contents Table of Contents 2 Introduction 2 Method of Data Collection 2 Data Presentation 2 Analysis of Results 2 Analysis of Results 2 Conclusions 2 Bibliography 2 Acknowledgements 2 Appendix 2 Introduction This project is seeking to answer the question Will management of the Dunwich coastline and heath land improve the lifestyle of and the environment for the local people? The question can be broken into seven parts. 1. Where is the area? - To see where it is in relationship to the rest of Britain. 2. What is the area like at present? - To see what management is needed, if any, and what it is like before any management takes place. 3. How and why is the coastline being managed at present? - To see if any extra management needs to be done, and if any extra management is needed. 4. How and why is the health land being managed at present? - To see if any extra management needs to be done, and if any extra management is needed. 5. What effects does this have on the local people? - To see if management is beneficial or has an adverse effect on the local people and if it can be improved. 6. What effects does this have on the environment? - To see if management is beneficial or harmful to the environment and if it can be improved. 7. How might the area be managed in the future, and with what effects? - To see how any management could take place and whether future management will have good or bad effects for the local people or the environment. Dunwich is about 200km (120 miles) North East of London on the Suffolk coast between Southwold and Aldeburgh (Fig M1, M2, M3, M4). OS map: 156 Saxmundham. TM 476678. The National Trust purchased the Dunwich site in 1968 and was included in their 'Enterprise Neptune' scheme. ...read more.

Middle

* Lots of dog walkers * This causes lost of erosion * Don't stick to paths so more are made which destroys the heath * Battery powered cart for OAPs and the disabled * Educational facilities available for the old and young * Need good regeneration of heather * Average erosion rate of cliffs - 1 metre per year Fig N2: National Trust Talk Notes on the Coastline * At the beach there are cliffs * Chalk was made below the ground * Movement of the earth produced mountains * The chalk was now at the top of the mountains * When chalk weathered, silica came through * The silica was in the form of flint * Over 90% of the stones on the beach are flint * In the ice age a 3km high glaciation took place * When it melted it swept material out to sea * It went on for 3-5km and was 15 metre deep * In land it went up to 50 metre deep * The cliff have been through 3 lots of glaciations and so are flimsy and unstable * This contributes to their easy erosion * Southwold had money to build sea defences * Dunwich couldn't * Problems with longshore drift * At Dunwich the harbour filled with sand * Dunwich became very poor * Sea walls cost �5,000 a metre * COSTS A LOT OF MONEY * The layers in the cliffs depend on how fast the water was going at the time. * Scrapes encouraging birds to feed in shallow water * Clear water separated from sea water * Sluices built to stop water entering the marsh * Bund, a mud heaped wall, to keep fresh water fresh * Bund is 3rd line of defence * All man-made * All is managed Questionnaire Results Fig G5: A pie chart showing how far away visitors live from Dunwich 2001 Fig G6: A pie chart showing how far away visitors live from Dunwich 2002 Fig G6: A ...read more.

Conclusion

Southold has and is stopping sand reaching Dunwich, the only problem is that Dunwich can't afford groins as they need repair work, which will cost them too much, from the questionnaire results that people believe that the national government should pay for repair of any coastal defences in the area. Management that is in place at the coast is sign posts like the one in alerting people of the fragile cliff faces, in the future it would be suspected that more notices would be put up similar to the ones now, as the cliffs erode more. This happens at a rate of 1 metre a year the ways the cliffs are eroded by three different types of erosion, these are: � Hydraulic pressure -This happens when the force of the waves especially when they trap and compress air in the cracks and holes in a cliff. Braking a bit of cliff off. � Corrasion-This happens when the waves hurl particles, for example small pebbles, at cliff surfaces. � Corrosion -This happens when certain types of cliff are slowly dissolved or decomposed by the acids in the seawater. Destructive waves are waves that erode beaches and cliffs they are high-energy waves. They have more power and can remove the sand from a beach very quickly. The most destructive waves occur during storms. These all take place at Dunwich and is how the cliffs are eroding. The main reason why the area needs protecting is it is home to rare species of creators, for example silver studded blue butterfly which is the rarest butterfly if the area isn't protected the wildlife would die out. Another reason why the area needs protecting is that it is visited by a lot of tourists from afar, ,also the reason why they like the area are truly unique and it would be difficult to find and area which combines a feeling of space, freshness quietness, that's natural with some cliffs, a beach with great wildlife and vegetation for a tourist. ...read more.

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