Water and Society

Question 1

Name an example of the mis-management of rivers.

Answer 1

The Aral Sea basin

Question 2

Name an example of good water management.

Answer 2

The colorado basin = responsive to failure
- 90% reduction in sediment in lake = erosion
- reduced lake capacity = ecological impact
- 1989 flood
Solution =
- controlled flooding !

Question 3

What is the current state of ice?

Answer 3

• 2018 = second lowest ice maximum
• End of sea ice minima
• thinner and younger ice

Question 4

Impacts of melting ice

Answer 4

1. lower albedo
2. change in heat budget
3. Weakening of pressure difference between Arctic and mid-latitudes which encourages movement of Arctic air to lower latitudes. Also changes location of jet-stream.

Question 5

Impacts on Europe on the southern movement of the jet stream?

Answer 5

• Wetter summers

- meanders in jetstream means prolonged periods of same weather