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geography coursework

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Introduction

Geography River Coursework Hypothesis 1.The characteristics of the River Pang change with distance from the source. 2. the characteristics of the river will be negatively affected by the planned housing development. Introduction My aim in this coursework is to investigate the following hypothesis, number 1- the characteristics of the River Pang change with distance from the source, and number 2- the characteristics of the river will be negatively affected by the planned housing development. To investigate hypothesis 1 we visited 2 sites along the river Pang: Bucklebury Ford and Moor Copse. These sites can be seen in my field sketches, the first being Bucklebury Ford and the second being Moore Copse. I then took various measurements to measure velocity, discharge and the bankfull width to determine if my hypothesis is correct regarding changes in river characteristics. The picture on the right shows the sight we visited to carry out our experiments at Moor Copse, site 2. The two sites we visited can also be located in my A3 map of the three sites visited for this coursework. After visiting the River Pang we went to the River Loddon to investigate hypothesis 2. We investigated the human activities and developments to determine the accuracy of hypothesis 2. As the river Loddon has a housing estate near to it, we researched the effect on the river. ...read more.

Middle

it is 10.01 metres. This considerable difference between the two sites shows that the River Pang gets wider as you go further downstream. Bankfull width (see graph 7)- The bankfull width at Bucklebury Ford is 6.86 metres and at Moor Copse it is 16.00 metres. Since the bankfull width is measured from the highest point of both banks, these results prove that the river gets wider as you go futher downstream. This dramatic difference of almost double the width shows the scale of the increase. Cross sectional area ( see graph 1 and 3)- The cross sectional area at site 1 and 2 is more proof that the characteristics of the river Pang change with distance from the source. The cross-sectional area at Bucklebury Ford (Site 1) is 1.31 cubic metre whereas at Moor Copse its 3.30 cubic metres. The graphs of the cross sectional area clearly show in the depth and the width of the river bed. Velocity ( see graph 10)- The average time it took for a tennis ball to travel 10 metres on the river was 23.4 seconds at Site 1 and 19.6 seconds at Site 2. This shows that the river travels faster further away from the source. This graph clearly shows an increase in speed with distance from the source, proving further hypothesis 1. Discharge (see graph 5) ...read more.

Conclusion

Conclusion After evaluating all the data I collected at the two sites on the river Pang, I can conclude that the characteristics of the river Pang change with distance from the source, meaning I have proved my hypothesis to be true. After drawing graphs to represent my data I can see that the depth, width, area, velocity, discharge and wetted perimeter have all increased between the two sites due to the number of tributaries, amount of energy and other factors that contribute to the characteristics of the River Pang. Evaluation For this coursework I had to use secondary data. Although I visited the two sites along the river Pang the results were not accurate in comparison with results from previous years that are known to be correct. This could be due to a number of factors, the most likely being that water was being taken out of the river for use at some point I the river between the two sites. Despite this problem, I think the results produced were accurate. When taking measurements from the river we had to be very precise and check our results at least three times to ensure they were accurate and reliable. Ideally, i would have collected the results from the river myself and they would have been accurate. This would mean I could be certain that the results I was using were accurate and reliable. However I am sure the secondary results used wee equally reliable. ...read more.

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