Full river investigation, fieldwork, unit 2 exam.

This is my final piece of my river investigation just to help those who are stuck with their own. It's complete with skills used, evaluation and conclusions.

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Penny Potts
Year 12 River Study.
I will undertake my river study on the middle course of the River Medlock between Oldham Holts
and Daisy Nook, Droylsden. Oldham is nearest to the source of the river as Daisy Nook is

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To compare the changes in channel dynamics along the river I will be testing 5 different hypotheses.
The angle of the slope will become gentler from the source towards the mouth. This
means that the angle of the valley will become less steep and flatter towards the mouth of the
river. Generally, near the source of the river the valley is high, steep and narrow this
changes the further down as it gets flatter and wider towards the mouth.…read more

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All of the hypotheses are likely and should happen as the Bradshaw Model shows.
The Bradshaw Model is a geographical model which describes how a river's characteristics vary
between the upper course and lower course of a river. It shows that discharge, occupied
channel width, channel depth and average load quantity increases downstream.…read more

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Before I go and collect data for my river study I have completed a risk assessment that states
any clear risks. I then came up with precautions and measures to counter the risks, for example,
a risk would be slipping down the valley as the weather is wet, the precaution was to make sure
everybody was wearing safe, sturdy footwear.…read more

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This will then
get ranked on the amount and size of the material on the samples.…read more

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Hydraulic Difference
Sites Radius Rank (1=highest) Velocity Rank (1=highest) (d) d
1 11.38 6 0.48 4 2
2 16.84 4 0.7 2 2
3 13.19 5 0.78 1 4
4 24.09 2 0.16 6 4
5 29.4 1 0.3 5 4
6 17.5 3 0.6 3 0
16d² 16x56 1336 1336 = 11.6 = 0.6
n³n 6³6 2166 210
This table shows whether or not the data you have collected is correct or simply happened by
chance.…read more

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Therefore, I have come to the conclusion that, with this set of data, hydraulic radius does not
affect velocity in the same way the hypothesis suggests. (Increase, it decreases)
Long axis
This line graph shows the size of the load in the River Medlock and the outcome is that the
overall the size of load by almost half from the top of the river, to the bottom.…read more


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