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Geography - Walton on the Naze

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Introduction

Geography Coursework Introduction For our Geography Case Study, we visited Walton-on-the-Naze. The aim of our study is to find out the differences of beach characteristics between managed and unmanaged sections of the coast at Walton-on-the-Naze. Walton-on-the-Naze is a coastal resort, located approximately 10 miles from Frinton-on-Sea. I have chosen to study this topic, in order to identify variations in beach characteristics. Our visit to Walton-on-the-Naze came on 21st May 2008. Going at this time, at the beginning of the summer, made it particularly easier, to make notes and have our experiments done. There would also be fewer tourists, resulting in less interference in our experiments, thus helping to record results more accurately. Coastal erosion is the wearing away of land or the removal of beach or dune sediments by wave action, tidal currents, wave currents, or drainage. Waves generated by storms, wind, or fast moving motor craft, cause coastal erosion, which may take the form of long-term losses of coastal sediments and rocks, or merely the temporary redistribution of coastal sediments; erosion in one location may result in accretion nearby. ...read more.

Middle

Method One of my investigations is to look at the sediment and both the managed and unmanaged sections. This is strongly linked with the aim of this investigation. To find this out, one must measure the beach's sediment density, infiltration rate and steepness of the beach. Apparatus: * A Spade * A level spirit - To create a line * 2 Ranging Poles - To show the height difference * A sieve * A bucket * A bowl * A weighing scale We tested the infiltration rate, to see how concentrated the sand was. The higher the concentration of sand, the more time it will take for the water to infiltrate the sand. When testing the infiltration rate we are trying to see how much water can be lost after 60 seconds. I measured sediment in order to see which section of the beach has bigger pieces of sediment. We did this by digging up the sand from one area and then strained out the sand and weighed the remaining stony material that's left with a scale. Method: 1. Collect water in the bucket. 2. Place the tube in the sand. 3. Pour in water, and begin the stopwatch. 4. ...read more.

Conclusion

These two factors decrease the reliability of my results. In order to make my experiment more reliable and accurate, we could have used a ruler to measure the distance we put the tubes into the sand for both the infiltration and beach profile tests. Another way we could have improved our experiment was to use a measuring jug, in order to measure the amount of sand we always begin with, thus making it a fair test. We could have also used more scientific equipment, in order to fairly measure the gradient. And finally, we could have made sure we had enough time to do each experiment, as the tide was coming in repeatedly during our experiment, which halted our progress, and affected our results. Coastal Defences Sea Wall: Seawalls are defined as embankments that prevent the erosion of a shoreline by a body of water. Groynes: A protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away. It stops the waves reaching and eroding the cliffs. Rip-Rap: Rip-rap is rock or other material used to armor shorelines and streambeds against water and sometimes ice erosion. ?? ?? ?? ?? Kasim-Hassan ...read more.

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