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AQA Geography > Fieldwork (physical geography enquiry) > Flashcards

Fieldwork (physical geography enquiry) Flashcards

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1
Q

What is the title of my physical geography enquiry?

A

To investigate how the River Tillingbourne changes downstream

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2
Q

How was the fieldwork related to what you have studied in class?

A

studied fluvial landscapes in the UK

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3
Q

What were you trying to investigate?

A

velocity
channel width
channel depth

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4
Q

What was you hypothesis?

A

velocity increase
width and depth increase

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5
Q

What risks were identified and what did you do to reduce them?

A

drowning - not deep water
weather - layers/suncream

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6
Q

What primary data did you collect?

A

velocity
width
depth
field sketch

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7
Q

What secondary data did you use?

A

landuse survey
OS map
FSC data
Environment Agency

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8
Q

Why was the primary data collection suitable to prove your hypothesis?

A

systematic sampling - 5 points per transect
stratified sampling - sample characteristics/locations

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9
Q

What sampling methods did you use?

A

systematic
stratified

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10
Q

What were the advantages of the data collection method you used?

A

systematic : avoids bias/shows change over space and time
stratified : valid data/combine with systematic/random

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11
Q

What were the disadvantages of the data collection method you used?

A

systematic : miss smaller patterns
stratified : bias / time consuming

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12
Q

How did you chose to present your data?

A

cross section (width/depth)
bar graph (velocity)
annotated photo

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13
Q

Why was cross section a good way of presenting data?

A

shows trends/patterns
easy to interpret
change over space/time

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14
Q

Why was bar chart a good way of presenting data?

A

compare sites
discrete data simply
interpret / construct easily

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15
Q

Why was an annotated photo a good way of presenting data?

A

qualitative data visually
explains results
adds understanding

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16
Q

What does a cross section show and how does it link to the enquiry?

A

compare width and depth
doesn’t fit with Bradshaw model
human management input

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17
Q

What does a bar graph show and how does it link to the enquiry?

A

changes in velocity
fits with Bradshaw model

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18
Q

What does an annotated photo show and how does it link to the enquiry?

A

scale of river
sediment, vegetation, channel, floodplain

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19
Q

To improve my data presentation I could have added…

A

….scatter graph

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20
Q

From my fieldwork I have discovered that…

A

…velocity, width and depth all increase

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21
Q

How did the secondary data help our understanding of the conclusion?

A

human interference altered channel in 16th century to provide water for Abinger Mill

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22
Q

My fieldwork was limited because….

A

….only one day at site

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23
Q

My fieldwork proved my hypothesis….

A

…to be correct

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24
Q

The strengths of my fieldwork was….

A

….repeats taken
combined results - increase sample size
systematic sampling
stratified sampling
qualitative and quantitative

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25
Q

I could improve my fieldwork by….

A

…. collect data from across year
increase no. of sites
increase repeats and no. of readings

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26
Q

What was the hypothesis of my fieldwork study?

A

discharge increase with distance downstream

27
Q

Why would discharge increase with distance downstream?

A

velocity and cross sectional area increase - wider, deeper - transport/erosion

28
Q

What is the geographical theory which underpins this investigation?

A

Bradshaw model

29
Q

How did we avoid tics in long grass?

A

wore long trousers

30
Q

How did we avoid drowning and diseases from water?

A
  • no drinking
  • no pushing
  • sanitise hands
31
Q

Where is the River Tillingbourne located?

A

between Dorking and Guilford in Surrey

32
Q

How does the River Tillingbourne’s length make it appropriate location?

A

19km - can be seen over short time

33
Q

How does River Tillingbourne being local make it appropriate location?

A

return to site

34
Q

How does River Tillingbourne near to A25 make it appropriate location?

A

easy access
travel between sites

35
Q

How does River Tillingbourne shallow and narrow make it appropriate location?

A

safe to study

36
Q

What are the 2 sites we visited called?

A

Crossways farm
Abinger Hammer

37
Q

What is sampling?

A

data gathered on small part of population/area

38
Q

Why do we use sampling?

A

not enough time / energy / money

39
Q

What is random sampling?

A

samples chosen randomly - equal chance of selection

40
Q

What is systematic sampling?

A

working to a system to collect data

41
Q

What is stratified sampling?

A

sample made of different parts

42
Q

What are the advantages of random sampling?

A

unbiased
works well in similar areas

43
Q

What are the advantages of systematic sampling?

A

simple/easy to follow
change over space/time

44
Q

What are the advantages of stratified sampling?

A

valid data from accessible locations
combine with systematic and random

45
Q

What are the disadvantages of random sampling?

A

inaccessible areas
clustering

46
Q

What are the disadvantages of systematic sampling?

A

miss smaller patterns

47
Q

What are the disadvantages of stratified sampling?

A

bias
time consuming

48
Q

How did we collect primary data for depth?

A

place metre stick at bottom of bed at 1/4, 1/2, 3/4, 4/4

49
Q

Was the data collection method used at the River Tillingbourne quantitative or qualitative?

A

quantitative

50
Q

What type of sampling was used to collect primary data for depth?

A

systematic
stratified

51
Q

What type of sampling was used to collect primary data for width?

A

stratified

52
Q

What type of sampling was used to collect primary data for velocity?

A

stratified

53
Q

How did we collect primary data for width?

A

place tape measure from one bank to other

54
Q

How did we collect primary data for velocity?

A

measure 3m
measure time for corkscrew to travel
use speed = d/t
left, middle, right channel

55
Q

How do we know our method for measuring depth was reliable?

A

ruler straight
eye level

56
Q

How do we know our method for measuring width was reliable?

A

pull tape taught
avoid vegetation

57
Q

How do we know our method for measuring velocity?

A

place cork before 3m
don’t drop cork in
stand sideways - prevent disruption of flow

58
Q

How does annotated photo contribute to our investigation?

A

visually represents site

59
Q

How does environment agency, field council, OS maps contribute to our investigation?

A

look how land use interrupted

60
Q

What type of data is annotated photo?

A

qualitative

61
Q

What type of data is environment agency, field council, os map?

A

quantative

62
Q

How is annotated photo unreliable?

A

snapshot in time

63
Q

How is environment agency/council reliable?

A

collected by officials

AQA Geography (9 decks)

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