Coastal Fieldwork Flashcards
Unit 2
What is the research question of your fieldwork investigation?
To what extent does coastal managment impact coastal processes at Al Hamraya Beach?
Explain why your reserch question was suitble for your geographical investigation…
L-Location- The area was local and accessible
E-Enviroment-Varity allowed differences to be analysed
S-Scale-Area was small enough to allow multiple sampling points in time allowed
S-Saftey-Lifegaurd at the beach and weather forecast checked
R-Reliablility-Small scale allowed repetition of measurments to reduce bias
Explain how you identified you research question for your fieldwork investigation…
- Identify local changes (design investigation to see cause
- Secondary data source suggested issue (therefore the basis for an investigation)
-Google earth to see changes in beach width (identify specific sampling sights)
Explain how you used secondary research in your geographical investigation…
Google maps-Timeline function allows beach width measurements to show historic changes
Fieldtrip Data- Comparison with previous fieldtip data collect in the area
Weather and surf data-Wind direction (historic, current and forecast), wave height and direction
Dubai shoreline management plan- Article- Impact of development on Dubai coastline has data and maps for comparison
What is a pilot survey?
A pilot survey is a strategy used to test the questionnaire using a smaller sample compared to the planned sample size
Survey is given to a percentage of the total population
Advantages of a pilot survey
Identifies potential problems - Helps identify potential issues or weaknesses in the survey design, questions, or methodology. Allowing necessary adjustments before conducting the main survey, ensuring more accurate and reliable data collection
Reduces cost and time - making sure main survey can be as accurate as possible
Disadvantages of a pilot survey
Additional time and resources
Small sample size - not the whole picture
potential bias - not a representative of the larger population
What is sampling?
A shortcut method for investigating a whole population
What is systematic sampling?
A method of selecting a sample from a larger population in regular, orgered way. this means choosing every nth item along a transit line
Advantages of systematic sampling
Straight forward (then ransom sampling)
Good coverage of the study area
Disadvantages of systematic sampling
More biases - as not all members or points have an equal chance of being selected
Many lead to an unrepresentative of a particular pattern
What is random sampling?
A sampling method where you uses random number tables to unbiasedly pick sampling locations
Advantages of random sampling
can be used with a large population
Avoid biased
simple
Disadvantages of random sampling
Logistical challenges: can be difficult in a large or hard to access population
Possible over-representation or under-representation
Advantages of Stratified sampling
Representative sample - ensures all subgroups within a population are represented
Increase precision - each group is represented providing more accurate and reliable results
Comparative analysis