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Geography Rivers Coursework Introduction

A* full marks GCSE geography coursework (rivers) - SlideShare A* full marks GCSE geography coursework (rivers) - SlideShare
5 Dec 2015 ... A* full marks GCSE geography coursework (rivers) ... Page 2 of 59 Contents Introduction P.3 Location P.4 Exmoor National Park P.5 Land use ...

Geography Rivers Coursework Introduction

When all the data was collectedand put into graphs,this would tell us the change from the source to the mouth of the different factors thatwe were measuring. The channels width and depth were very smallhere. The reasonthat this was not undertaken was because of the limited amount of time we had tosample the river.

From the significance test above my hypothesis is very likely to bewrong. Overall, visually, my hypothesis, that the width will increase as you go fromsource to mouth, is accepted. Therock type was still quartzite and therewas non-coniferous woodland around theriver.

Page 56 of 59then at site 8 where my depth was 0. If we used a systematic sampling method,then you might overlook key points along the river and go into private land withoutknowing. Page 40 of 59gradient along the eight sites of the river holfordi have chosen a line graph to show the gradient of the river holford because it is veryeasy to see if the gradient was increasing or decreasing.

The river increased in depth at site 2 where it was 0. There were still steepv shaped sides here just like atsource 1. The depth then deepened at reading 2 where it was0.

Now a statistical test calledspearmans rank correlation must be undertaken to see the strength of thiscorrelation. Page 18 of 59angularity and size of bed loadfirst, 15 clasts were picked up from the river bed at random, with our eyes closed sothat we were not biased in the selection of the clasts. Devonian quartzite is found in the upper course of the river holford where thegradient is steep.

Page 12 of 59sequence of work startfirstly we established our aims and hypothesesbefore embarking on this trip. The width of the river hadunexpectedly decreased by 0. Quartzite was once sandstone and this conversion took place after heatand pressure. This is why we expected the rivers depth to increase at these sites. Gradient- we chose to sample one gradient at every site because the readingwould always be the same.


Geography river coursework introduction


Geography river coursework introduction. Rivers, river landforms and river processes. Environmental Geography Specialist (Arts program) A focus on the ...

Geography Rivers Coursework Introduction

Geography river coursework introduction
31 Aug 2018 ... Geography river coursework introduction IGCSE and youth research gun college paper violence GCSE Geography Coursework IB Geography ...
Geography Rivers Coursework Introduction This meantthat the river would not have been as deep as it normally should have been and thiscould have affected our results. There is a negative correlationand this can be seen, as the distance from thesource increases, the gradient decreases. A result of this was that humic acid was formed anddissolved the river bed and thus created deeper channels. Thistechnique tells us whether the correlation is really mathematically significant or if itcould have been the result of chance alone. Mr matthews, mr orme, and mr parker for coming with us onthis trip and offering us guidance along the way. Somerset was looked up on the internet to see if there wasrain prior to our study.
  • rivers coursework - GCSE Geography - Marked by Teachers.com


    Wechose a stratified sampling method for the sites because we had prior knowledge ofthe area and so knew where the different parts of geology, the confluences and theurban areas were. River holfords course because this wouldgive us a broader range of results. This can be seen at site 1 where the width was 0. A line graph wasused instead of a bar chart because when smaller changes exist, line graphs are betterto use than bar graphs. This meant that groundwater flow would occur here, where the watermoved underground through these pores and joints.

    The reasonthat this was not undertaken was because of the limited amount of time we had tosample the river. Page 7 of 59land use along the course of the river holford is important to look at because it couldaffect the characteristics if the channel. Page 1 of 59an investigation into how physical channel characteristicschange throughout the course of the river holfordname nishay patelcandidate number 8331centre number 12760 page 2 of 59contentsintroduction p. Page 12 of 59sequence of work startfirstly we established our aims and hypothesesbefore embarking on this trip. Firstly, the measuring tape wasspread along the width of the river and left slacking.

    There were still steepv shaped sides here just like atsource 1. Long sleeve clothing was worn to coverthe whole body and therefore decreasingthe chances of getting ticks on the body. Some of the modelspredictions did not work for our particular river that we were studying because therewere a lot of changes throughout its course that affected our readings, such as thegeology and confluences along its course. Somerset isa rural county and is where many tourists come to visit the rolling hills including thequantock hills. Reading 3 was quite low whencompared to the other readings at 0. Thenext three sites widths could have been affected because the geology was marl, whichis a soft, impermeable sedimentary rock. Nearly all the gradient readings are near theline of best fit which means that the correlation is strong. The river would havehad more energy to erode the banks and therefore widen the river. River holford (m) page 49 of 59spearmans rank correlationbelow is how we found r2 using the spearmans rank equation6 x 46 1 - 27683-8 504 1- 0. Page 21 of 59site descriptionssite1- this site was very close to thesource of the river holford.

    Measuring the Velocity of the River. Measuring the River Channel Gradient. Measuring the Pebble Size. Equipment List. Page 13-18: Data Presentation.

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    Analysisclast shape - enter the number of each shape found at each sitevery angular 3 4 0 0 0 0 0 0angular 7 9 2 1 2 1 0 0sub angular 4 2 8 4 7 5 1 1sub rounded 1 0 5 7 6 5 8 7rounded 0 0 0 2 0 4 3 6very rounded 0 0 0 1 0 0 3 1clast size (cm) 1 9 11. This meant that the impeller turned faster then normal and therefore alteredour results. This meantthat, especially in the upper course sites that the readings had to be defaulted at 100seconds. Page 36 of 59at site 5 the cross sectional area was 0. This is due to the fact that there will be less frictionbetween the water and the banks and bed of the river.

    Instead of measuring the clasts size, we could have measured its volume inorder to make it more accurate Buy now Geography Rivers Coursework Introduction

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    Surface runoff is very quick and is the movement of water in any form fromthe atmosphere to the ground. The crosssectional area increased because wewere in the lower course of the river. Bar graphsare used to track changes over each site. There is also less energy waste onfrictionas there is less substrate is on the bed. Assessmentrisk how it was minimizedthere could have been rat faeces in theriver which could have caused diseases ifit got into the skin.

    First you have to work out the degrees of freedom, which is the number ofpairs in your sample minus 2. Page 11 of 59hypothesesaim an investigation into the changing physical characteristics form source to mouthof the river holford Geography Rivers Coursework Introduction Buy now

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    This is because at a confluence the river has more energy and power to erode,resulting in a larger, deeper channel. Downstream reading (m) upstream reading (m) 10mchannel size (m2) average depth (cm) 100 x width (m)channel shape (form ratio) average depth (cm) 100 x width (m)bank full csa (m2) bank full width (m) x bank full average depth (cm) 100spearmans rank correlationspearmans rank technique is a statistical test which will be used for each hypothesisto see whether there is a correlation between two variables, and to test the actualstrength and the reliability of the relationship. Page 56 of 59then at site 8 where my depth was 0. This meant that groundwater flow would occur here, where the watermoved underground through these pores and joints Buy Geography Rivers Coursework Introduction at a discount

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    Map of somersetthisis a national mapofwhere somersetisinrelationto the rest of england. Page 35 of 59at site 3 the cross sectional area was 0. Page 23 of 59site 5- at this site the rivers width,depth and velocity increased slightly. Quartzite was once sandstone and this conversion took place after heatand pressure. Now a statistical test calledspearmans rank correlation must be undertaken to see the strength of thiscorrelation.

    I feel that we could have just worked out the volume of theclasts. Page 4 of 59introductionin my introduction i will be talking about where in the uk the river holford issituated and the describing the relief around it. These all led me into producing a good piece of coursework Buy Online Geography Rivers Coursework Introduction

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    Nearly all the widths, except sites 1 and 4, are near to the line of best fit andthis shows us that the correlationis quite good. The river thendecreased from site 5 to site 8. The depth was at its highest near themiddle of the river at plot 5 which was 0. This means that the width will be larger here seeing as more erosiontakes place in this part of the river. Depth vs distance downstreamdepthsite number average depth (m)1 0.

    The limitations of the data collectionwill be explored and the changes thati would make if i were going to undertake this river study again. It is in awooded area with steep sides andthere is a very obvious drop ingradient as you continue from thesource to site 1 Buy Geography Rivers Coursework Introduction Online at a discount

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    This meant that the impeller turned faster then normal and therefore alteredour results. At each site, wemeasured 5 velocity readings by dividing the channels width by 5. Readings takensite 5 depthdepth page 31 of 59the depth at site 6 generally decreased from 0. I used a number of different sourcessuch as, the internet and maps in order to support the primary data collected. A perfect positivecorrelationis 1, while a perfect negative correlationis -1.

    Distance downstreamwidthsite number width of river (m)1 0. This tells us that my results were a product of chance and that imust therefore reject my hypothesis. Thistechnique tells us whether the correlation is really mathematically significant or if itcould have been the result of chance alone Geography Rivers Coursework Introduction For Sale

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    It was alsoused to split the river up into 5 parts when wewere finding out the gradient. Some of the modelspredictions did not work for our particular river that we were studying because therewere a lot of changes throughout its course that affected our readings, such as thegeology and confluences along its course. This is the rapiddown cutting of the bed. This meant that interception by this canopy layercould stop rain water from reaching the ground and therefore decreasing surfacerunoff. This meant that the impeller could not turndue to the fact that it was coming into contact with the river bed.

    Page 56 of 59then at site 8 where my depth was 0. Page 55 of 59in this section i will be seeing if my hypotheses were correct overall using data frommy graphs For Sale Geography Rivers Coursework Introduction

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    The limitations of the data collectionwill be explored and the changes thati would make if i were going to undertake this river study again. A result of this was that humic acid was formed anddissolved the river bed and thus created deeper channels. As you can see on the land use map there is ahigh amount deciduous forest near the source meaning that the trees will intercept rainwater and prevent it from reaching the river. This meant that we could not sample in this area andtherefore we could not tell if the trends of the previous sites would continue. In the upper course of the river, we expected the river to have morepotential energy which meant that the river was deeper rather than wider Sale Geography Rivers Coursework Introduction

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