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Geography > FieldWork > Flashcards

FieldWork Flashcards

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1
Q

Hydrograph?

A

a graph showing changes in a river’s discharge and rainfall over time

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2
Q

Quantitative Data?

A

using numbers e.g velocity

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3
Q

Qualitative data?

A

-describes characteristics
-collected using questionaires,observations or interviews

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4
Q

Stratified Sampling?

A

dividing sampling into groups
e.g 5 people per age category

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5
Q

Systematic Sampling?

A

data that is collected at regular intervals
e.g every 20m

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6
Q

What is the enquiry question?

A

How do the river valley and channel characteristics vary along the River Tillingbourne?

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7
Q

Sub Quesions?

A

Does the River Tillingbourne follow the Bradshaw model?- we expect it to follow it
How have humans influenced and been influenced by the channel characteristics?

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8
Q

3 sites?

A

Site 1=Crossways farm
Site 2= Abinger Hammer
Site 3= Gomshall

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9
Q

Secondary data for the river tillingbourne?

A

Environement agency flood risk map- quantitative
Interviews with local residents- qualitatitve

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10
Q

Stratified sampling adv +dis?

A

-wider representation

-prior knowledge of an area is neccessary

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11
Q

Random sampling
adv+dis?

A

-remove bias
-equal chance

-some people may not want to be interviewed
-some points may be clustered

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12
Q

Systematic sampling advantages?
disadvantages?

A

-gives a good representation of the whole river
-quick and easy

-variations can be missed if intervals are too far apart

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13
Q

Channel Width?

A

-quantitative + stratified
-point where the water met the bank

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14
Q

Channel Width
pos+Neg

A

-quick+easy+accurate

-Crossways farm was a meander whereas the other were straight
-only took one measurement

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15
Q

Velocity?

A

-quantitative + stratified
-two people stood 5m apart in the river and dropped a tennis ball/ measured time
-velocity = distance/time

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16
Q

Velocity?
pros + cons?

A

-used a short distance so quick and easy
-got a mean

-tennis ball got stuck against rocks sometimes

-used a longer measurement

17
Q

Bedload shape?

A

-qualitative
-random

-10/15 rocks
-Power’s roundness index
-well rounded to very angular

18
Q

Bedload size?
adv +dis?

A

-quick and convenient

-subjective
-not enough rocks

-collected more rocks

19
Q

Representation of primary data?

A

-compound bar chart/bedload shape
-easy to compare

-we cannot see how many rocks were in the sample / bigger the sample more reliable

20
Q

Secondary data?

A

Flood risk map
Crossways Farm -river flows naturally as a meander , flooding allowed to occur/ reduces flooding downstream

Gomshall- deepened and straigtened to store more water/ reduce flooding/ built up area

Interviews- how people have been affected/ how theyve managed the river

21
Q

Conclusions?

A

agree- width,discharge,bedload size/shape
disagree- depth- slightly decreased/ hard engineering/human error

22
Q

Urban fieldwork question?

A

To what extent do the land use functions and quality of urban environments differ
between West Hill and Epsom Town Centre?

23
Q

Secondary data in urban fieldwork?

A

-crime stats

24
Q

primary data in urban fieldwork?

A

-land use map photos
-environment quality

25
Q

Environmental quality survey?

A

-noise,rubbish,graffiti….
- 4 times at each
-systematic

26
Q

Environemntal quality survey?
pros and cons?

A

pros- easy to compare in numerical values
-straight forward

-subjective
-only did this at one point in the day

-repeat at different days+times

27
Q

Questionnaire?

A

random sampling
-perception of the quality of the environment

28
Q

Questionnaire?
pros + cons?

A

pros- wider data set
-locals more accurate

negative- very subjective

ask more people

29
Q

Land use map?

A

-qualitative
-annotated an OS map

30
Q

Land use map?
-pros and cons?

A

-easily tell
-reliable information

-cannot tell uses

31
Q

Representation of primary data?

A

Radial Graph
-environmental quality survey
-easily compare/ good visual

-still subjective

32
Q

Analysis of secondary data?

A

Population pyramids from ONS- young working adults CBD
Families in west Hill

Crime Stats- 8 times more crimes
more potential for crime in CBD

33
Q

Results?

A

West Hill has a residential function/ suburbs
Epsom has a leisure, business and recreation

34
Q

Conclusions for Land use?

A

-relatively affleunt families with young children

-high population density
-young adults

35
Q

Formula?

A

area x velocity = discharge

36
Q

Scattergraphs?

A

.relations between 2 variables /no more

Geography (5 decks)

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