Data Analysis Section

TURNING FIELD DATA INTO RESULTS YOU CAN ANALYSE OR AN IDIOTS GUIDE TO DRAWING GRAPHS FOR MS RICHARDS GCSE GEOGRAPHY CLASS

Deposition in river channel Direction of flow Grass and moss Tree roots, stabilising bank Two pollarded Beech trees with the tree roots, stabilising bank erosion Pollarded Hornbeam Tree on meander bend Un vegetated area woodland River cliff Beech Tree How To Draw A Field Sketch

Tabulation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],0 1 1 2 3 Gradient (degrees °) 2 3 5 6 8 Float Time (seconds) 0.12 0.20 0.05 0.09 0.04 Water Depth Right Hand side (m) 0.15 0.15 0.07 0.08 0.06 Water Depth Middle (m) 0.10 0.06 0.05 0.06 0.05 Water Depth Left Hand side (m) 1.90 0.98 0.55 0.36 0.35 Wetted Perimeter (m) 1.60 0.82 0.50 0.22 0.20 Water width (m) 5 4 3 2 1 Site Number Variable

Line Graphs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bar Charts Example: Pebble Survey

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Histograms

Scatter Graphs Use when you have two observations (variables) you want to compare (correlation) The graph shows the relationship between the variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Positive Negative

Example of a Scatter Graph Think about what other variable you could show. Some examples could be channel width, speed of flow, etc. This is a good way to analyse changes in the river.

Cross Sections ,[object Object],[object Object],[object Object],[object Object],[object Object],Cross sections are used to indicate change in shape and size of a feature between locations. They can be used to calculate area and as a base for other related information. Use Excel to draw your cross sections. Don’t forget to calculate all the data you need before you start. If you copy the class data into excel you could get it to calculate the equations for you.

Example of a Cross Section Remember you will have to do more than one cross section as you should be showing the changes as you travel downstream

Data Analysis Section

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Data Analysis Section