River Exe Case Study

Question 1

How long and where is the starting point for River Exe?

Answer 1

88km starting at Exmoor

Question 2

What are the three physical characteristics of the River Exe?

Answer 2

1. Area of upper catchment = 601km²
2. Highest elevation = 514m
3. Lowest elevation = 26m

Question 3

Describe the geology of the river Exe?

Answer 3

84.4% of the catchment is underlain by impermeable rocks

Question 4

What’s the landuse around the River Exe Basin?

Answer 4

67% - Agricultural grassland
15% - Woodland
3% - moors and peat bogs

Question 5

What’s the runoff level of River Exe?

Answer 5

65% of the water balance

Question 6

List me two projects that affected the Water Cycle? (River Exe)

Answer 6

1. Construction of wimbleball reservoir
2. Restoration of peatland on Exmoor

Question 7

When was the Wimbleball reservoir created?

Answer 7

1997

Question 8

Describe the wimbleball resevoir?

Answer 8

• Surface area = 150 hectares
• Supply water to Exmoor and East Devon
• Prevents peak and trough of water discharge - reducing flood risk

Question 9

Describe the Wimbleball reservoir?

Answer 9

• Surface area = 150 hectares
• supply water to Exmoor and East Devon
• Prevents peak and trough of water discharge -reducing flooding risk

Question 10

What’s the Exmoor Miles Project?

Answer 10

Restore peat bogs by blockage drainage ditches

Question 11

What are the 4 things the Exmoor Miles project does?

Answer 11

1. Increase water content
2. return ground to natural saturated, boggy conditions
3. Help retain carbon witin the peat
4. Improves water quality.