Fieldwork Flashcards
1
Q
Porlock location
A
- North Somerset
- west minehead
2
Q
Advantages of secondary data
A
- quick
- cheap
3
Q
Disadvantages of secondary data
A
- outdated or unreliable
- not specific to hypothesis
4
Q
Natural processes at Porlock
A
- LSD
- drift aligned beach from west to east
5
Q
What’s secondary data was used
A
- satellite map
- geology map
6
Q
What was the geology like at Porlock
A
- resistant sandstone formed a headland
- less resistant alluvium along coast
7
Q
Porlock overall hypothesis
A
- the beach morphology will change from wets to east side of Porlock
8
Q
Question 1
A
- will the beach area increase in size
9
Q
1: results
A
- east side area bigger than west side
10
Q
1: why is it unreliable
A
- ranging pole depth
- clinometer inconsistent
- subjective where slope changes
11
Q
1: how to improve
A
- use same person to record results
- mark ranging pole depth
- record angle at smaller intervals
12
Q
Question 2
A
- will the pebbles become more rounded and less angular
13
Q
1: hypothesis
A
- beach profile will increase in area from west to east
14
Q
2: hypothesis
A
- pebbles will become more rounded and less angular from west to east
15
Q
2: why is it unreliable
A
- powers index subjective
- unable to random sample
