River Fieldwork

Question 1

What location did you visit and why?

Answer 1

Debden brook, Epping forest, Essex
Sites are close together

Question 2

Investigation title?

Answer 2

To investigate how and why drainage basin and channel characteristics influence flood risk for people and property along Debden brook

Question 3

What theory did you use to support your investigation?

Answer 3

Bradshaw model

Question 4

Sampling technique?

Answer 4

Stratified sampling

Question 5

Pros and cons of sampling strategy?

Answer 5

Bias
Safe and accessible
Time management

Question 6

Primary data

Answer 6

Width
Depth
Velocity

Question 7

Conclusion

Answer 7

Flood risk increases as you go downstream. Because of:
Increase in volume
Property was closer to the river downstream

Question 8

How does width change for debden brook as you go downstream?

Answer 8

Increases downstream, matches the Bradshaw model

Increased lateral erosion

Question 9

How does depth change for debden brook as you go downstream?

Answer 9

Increased with fluctuation