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Walton on the Naze

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Introduction

Introduction For my coursework I will study coastal erosion on the Walton-on-the-Naze cliffs in Essex. This is a coastal resort located about 10 miles from Frinton-on-Sea and is a two hour drive from North London. The aim of the study is to investigate the differences in beach characteristics in the managed and unmanaged sections of the beach at Walton-on-Naze. I have chosen to study this topic of coastal erosion in order to identify variations in beach characteristics and how badly and sea walls cliffs can erode in the past years. If they lack protection like groynes. Our visit to Walton-on-the-Naze came on 21st May 2008. It was a good idea to do it just at the beginning of the summer because there not would be too many tourists to interfere with our progress but the weather would still most likely be good which would help to gather and record accurate results. (This the map of Essex in which Walton-on-the-Naze is located) I am interested in the difference in the beach characteristics between the managed and unmanaged sections, the probable processes operating there and in whether the council should consider changing or adding to its sea defences in this area Geology plays an important part in how the cliffs are eroded at Walton-on-the-Naze so I will describe how this happens. ...read more.

Middle

Tape * A tube * 2 ranging poles I measured sediment in order to see which section of the beach has bigger pieces of sediment (larger than 5cm in diameter) by measuring how much material is in the sand. We did this by digging up the sand from one area and then strained out the sand and weighed the remaining stomy material that's left with a scale. I think that the managed section has more material in it as the groyne's stop the movement of the material. This test will help me too prove my prediction that rocks will be smaller in the managed section than the unmanaged sections because large bits of the cliff fall off the cliff fall off in the unmanaged section which means the rocks there to form bigger pieces than an the managed section. Diagram 1 Diagram 2 Diagram 3 Diagram 4 Diagram 5 Diagram 6 For the beach profile test, my graphs show that the managed section was higher than the unmanaged section because the highest that the unmanaged section was 116.17 but the highest that the unmanaged section was at was 84.17. So it is obvious that the managed section was higher than the unmanaged section by quite a lot as the difference between the two numbers 116.17 and 84.17 is 32. ...read more.

Conclusion

water from leaking by making sure there are no holes before we pour the water into the tube therefore making our results more reliable. Another way in which we could avoid this problem is by re-doing this test again in a different location and hopefully this problem will not occur again. In the beach profile test we can measure how far we can put the ranging poles into the sand at each point so that we can put them all in at the same distance, also we could make sure that the people holding the ranging poles are holding them straight this would make our results more reliable. Another way we could have used to improve our results is by using clinometers or more scientific equipment like ab ney levels. This would make our results more accurate as it measures the gradient and can also be mounted. Another thing that we could have done to make our results more accurate is to make sure that we have enough time to make all the measurements, because last time we rushed the experiments that we were doing as the tide was coming in soon, and for those that didn't get to record all the data they may have recorded wrong data. ?? ?? ?? ?? ...read more.

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