Page 12 of 59 Sequence of work Start Firstly we established our aims and hypotheses before embarking on this trip. If there was a lot of rain or no rain at all, then this factor would be taken into consideration when our data was analysed. Overall, we can see that the river increased in width from 0. These will be the width of the river channel, the average depth, velocity, volume and the gradient. We did not use a bar graph to represent this data because they are used to track changes over time. River holford coursework Evaluations of river coursework river holford introduction for geography coursework geography geography coursework introduction example. At site 5 the five readings taken across the width of the channel were quite varied.
The middle course is less steep when compared to the upper course.
This meant that river holford coursework impeller turned faster then normal and therefore altered our results. Improvements If I were to repeat this river study again there would be some changes that I would make in order to improve my data.
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Site 6- At this site, there was a rapid increase in the velocity of the river. This is the rapid down cutting of the bed. This reading could be seen as an outlier. The width river holford coursework a river channel increases as it goes downstream because tributaries and confluences join into it, thus making it wider because it holds more water. Where relevant, a good knowledge of sampling techniques is evident.
As you can see from the table above, my hypothesis was accepted visually by looking at the gradient graph which can be found on page An average depth graph can be seen on page 33 which supported my hypothesis by showing an river holford coursework as you got close to the mouth. This can be seen in the width graph river holford coursework page 39 which supported my hypothesis by showing a general increase from the source to the mouth.
There were lots of objects such as tree branches in the river. The river gets more powerful as you go down its course which means that it has more erosioncapability.
Page 1 of 59 An investigation into how …. However, too much secondary data should be avoided as should river holford coursework investigations that rely heavily upon observation without measurement.
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At some sites we were very near to confluences and this could have affected our river holford coursework. As you can see from the table above, this hypothesis was visually accepted by looking at width graphs.
The depth then increased after reading 2 until 4 river holford coursework it was at its highest of 0. An explanation of why this outlier occurred may have been because there were many objects such as tree branches in the river which could have caused river holford coursework build up of water where we were measuring the depth.
Page 12 of 59 Sequence of work Start Firstly we established river holford coursework aims and hypotheses before embarking on this trip. Near the mouth of the River Holford, the Bristol Channelwe expected the river to be slightly shallower than at the previous sites because it was losing its energy and was depositing its load, sediment.
These points were at regular intervals. In the lower course of the river more lateral erosiontakes place which means the river cuts sideways into the valley. Page 31 of 59 The depth at site 6 generally decreased from 0. Published on Mar 31, The depth then decreased at reading 5 by 0.
An investigation into the changing physical characteristics form source to mouth of the River Holford.
However, as the river continues downstream there is less substrate on the bed which means that there less energy waste on friction. It enters the Bristol Channel.
The result was then plotted on the significance table below in order to be assessed. Page 4 of 59 Introduction In my introduction I river holford coursework be talking about where in the UK the River Holford is situated and the describing the relief around it.
Page 1 river holford coursework 59 An investigation into how physical channel characteristics change throughout the course of the River Holford. The clasts were all angular here and the geology was Devonian Quartzite. Location of the River Holford: A full marks gcse river holford coursework coursework rivers 1 page 1 of 59 an investigation into how physical channel characteristics change throughout the course.
Measuring the width of the river. Geography River Rother We will colour in the the land uses in different colour and after wards use a Ten by Ten grid squared and count up. My second hypothesis was that the depth of the river would increase as you went from the source to the mouth. The depth at reading river holford coursework was 0.
River holford coursework
Page 17 of 59 Wetted Perimeter The third reading we took was the wetted perimeter. I will also be justifying why River holford coursework used a particular type of graph as oppose to another one. Geography river rother we will colour river holford coursework the the land uses in different colour and after wards use a ten by ten grid squared and count up rivers coursework. The river Holford however travels over th