• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

The aim of this investigation is to explore the channel characteristics of the River Chess.

Extracts from this document...

Introduction

The aim of this investigation is to explore the channel characteristics of the River Chess. My main interest involve in understanding Hydrology, and how the river changes as it goes downstream. To obtain my results I visited a field centre in Amersham, were we were put into groups and were guided by a member of the FSC centre. We started of at Chesham Moore which is the source of the River Chess; its confluence is the River Colne at Rickmansworth which feeds into the River Thames which then follows into the sea. * Gradient- will decrease downstream, starting at a high point. * Width- will get wider due to more water feeding in from the ground, therefore it will increase downstream. * Depth- will get deeper downstream. * Velocity- will become slower, as will the gradient, river will become deeper and wider therefore the velocity will decrease. * Cross-sectional area- will increase as there will be more water. * Discharge- is the amount of water you have, and how much of it will pass through a certain point. ...read more.

Middle

Discharge The Wetted Perimeter-using a tape measure The Hydraulic Radius The Manning's The Averages Whilst I am at each site I will take brief notes as well as detailed diagrams of each river and it's habitat to illustrate a more vivid investigation. I will also read into different sources to help me with my investigation such as the journal the Geographical Review. In addition to this I will be relying on computing resources to help me analyse data. Before we set out on our investigation we had several aims to consider. Does the river discharge increase the further from the source? Is there a relationship between river width and stream velocity? As the wetted perimeter increases, river velocity decreases. In my analysis of the River Chess I selected three areas within the river study. They were the Upper, Middle and lower part of the river. I accomplished this by stratified sampling. The readings I received from theseareas The highest means have been highlighted in the table above, there are a few anomalies in the table above, for example the mean water depth at site three is extremely high to the rest this could be due to the other groups getting their measurements wrong, or it could be due to the water levels rising. ...read more.

Conclusion

This river was situated by a field. There was also a farm near by which would explain the few animals there The third site we visited was Scots bridge Mill, which again was close by to a large field, though there was a fence, along side the river acting as a precaution. I will compare my hypothesis with my actual results to see if there are any anomalies. The gradient prediction did not match my actual results though this may have been due to the weather changes, as we were taking our measurements the wind was increasing it was only inevitable that there would be a few anomalies. I predicted that the gradient would increase though my result show it stating off fairly high then decrease but then only to increase again. Although my predictions about the width and the depth were correct as they increased downstream. My predictions about the velocity of the river also were correct as I presumed that the velocity would decrease which it did because the river became deeper and wider. I was also correct about the cross-sectional area as it increase due to the increase in water. The discharge increases downstream as the availability of water increases. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Hydrology & Fluvial Geomorphology section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Hydrology & Fluvial Geomorphology essays

  1. Study the downstream changes of Loughton Brook.

    Surface velocity is linked to the gradient because as the gradient decreases the gravitational potential energy lessens. As a result water in the river doesn't flow down as quick. In my hypotheses I said that the wetted perimeter would increase as the stream order increased.

  2. 'To what extent does the River Lyn conform to the Bradshaw model of River ...

    amount of time I had, and the accuracy and reliability of the equipment I had. The flow and temperature of the River also could have made my results more unreliable. Data representation, analysis and explanation. Photographs of the five sites.

  1. I am going to study the characteristics of rivers and how they change as ...

    The pebbles are to be kept on the long axis grid and the length should be suggested. The roundness of the pebbles is taken with the help of the Cailleux's roundness index. The middle of the pebbles are to be put on the number 0 and then the roundness should be taken.

  2. How does the Efficiency and Cross-Sectional Area of a River Change Down Stream?

    4 3 0.812853 11 0.36 7 4 16 4 2.269114 7 0.46 3 4 16 5 2.342318 6 0.35 5 1 1 6 1.782119 9 0.31 8 1 1 7 2.888451 3 0.55 2 1 1 8 2.246853 8 0.75 1 7 49 9 2.442857 5 0.24 9 -4 16

  1. The river Gwaun: Investigating how the course of the river changes from the source ...

    less in second was sub-rounded. There was no angular sample and only one sub-angular sample which suggests that the vast majority of bed load in Site 3 is moderate/sub-rounded. This is in line with my prediction. Site 4 is moderate but only by 5% (1 sample).

  2. River channel processes.

    people living on the edge of the banks may find that their homes are at risk. But the advantages - Adaptation of species to the erosion of the river banks, sand martins. - Greater diversity of species - A lot of different habitats The intervention of humans to the river could increase the amount of erosion to the banks.

  1. This project will study about the way the river Conwy in north Wales changes ...

    as smaller, normal the more friction takes place the less efficiency stream. It may lead to flood when it gets more efficiency downstream. Power scale: The tally of stones varies from site 1 to site 3. This is because the attriction works on rocks and there is more discharge and also there is more volume of water.

  2. Does the river Alyn follow Bradshaw's model?

    When the cross-sectional area increases there is a greater volume of water and so obviously the discharge increases. Cross- sectional Area v Velocity (graph 17) - This had a negative correlation of - 0.23 that means that when the cross-sectional area increased the velocity decreased.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work