P3 Physical Fieldwork (Rivers) Flashcards
Geography, P3 Physical Fieldwork (Rivers)
What is the Physical fieldwork question?
How does River Millbrook change downstream?
Geography, P3 Physical Fieldwork (Rivers)
What is the Physical fieldwork hypothesis?
Width, depth and velocity will increase further downstream. Load will increase downstream.
Geography, P3 Physical Fieldwork (Rivers)
Why do we think the depth and width of the river will increase?
- more tributaries join
- increases the rivers energy
- increases erosion via hydraulic action and abrasion
Geography, P3 Physical Fieldwork (Rivers)
Why do we think the river’s velocity will increase?
- more tributaries are added
- river has more energy
- erodes more - attrition
- smaller material creates less friction
- therefore water moves faster
Geography, P3 Physical Fieldwork (Rivers)
What is Weils disease?
Weils disease is from rat urine.
Geography, P3 Physical Fieldwork (Rivers)
List the risks
- Rat urine (Weils disease)
- Uneven surface/trips and falls
- Ticks, Lyme disease
- Weather, hot- sunburn, cold- hypothermia
- Getting lost
Geography, P3 Physical Fieldwork (Rivers)
How to reduce the risk of Weils disease?
- plaster over cuts
- wash hands before eating
How to reduce the risk of trips and falls?
- Wear sturdy shoes
- Stay in allocated areas
How to reduce the risk of ticks- Lyme disease?
Cover up arms and legs, Use a special tick remover
How to reduce the risk of weather?
Wear suncream, Wear waterproofs, Wear warm clothes
How to reduce the risk of getting lost?
Work in groups
What is primary data?
Data you’ve collected
What is secondary data?
Data collected by someone else
What is quantitative data?
Objective data- statistics/measurements
What is qualitative data?
Subjective data- sketches and photos
Why did we choose River Millbrook?
Close to school, Three safe and accessible survey sites, Representative- shows many features you would expect to find in a river
What are the 3 sample techniques?
Stratified, random, systematic
What sampling technique did we use?
Stratified sampling - deliberately chose 3 sites because they were accessible and safe, representative of the river.
Disadvantages: Biased
How can we improve data presentation?
Use GIS to overlay aerial photos onto a map of River Millbrook.
Example: Overlaying images can provide context to the data.
Explain random sampling.
Random sampling - every area has an equal chance of being selected.
Pros: no bias
What are the cons of random sampling?
Cons:
(No specific cons provided in the text)
What is one method to enhance data visualization?
Use located bar charts on a map.
Example: This method allows for spatial representation of data.
What is a pro of using a table of data (width, depth, velocity)?
It provides a clear way of showing results and can collate a large amount of data.
What is a con of using a table of data (width, depth, velocity)?
It doesn’t enable visual comparisons and makes it harder to spot anomalies.
