L2 ap water demand and supply

Odd one out?

RECAP - How do the Following factors Influence Water Supply?

1. Climate

2. River Systems

3. Geology

Supply and demand for water – Water Stresses (a growing mismatch between supply and demand)

Supply and demand for water – Water Stresses (a growing mismatch between supply and demand)

• Introduction video here what is water in Asia being used for? What factors contribute to water stress?

• More and more people need more and more water. • What are the major uses for water? (p36)

– Agriculture– Industry – Domestic – Water sources

• Surface water• Aquifers (p36)

Supply and demand for water – Water Stresses (a growing mismatch between supply and demand)

• Water Stresses – Physical and economic video here (from 1.23 – 3.00) – make notes as you watch on A3 sheet

Water Stress

Physical v Economic

Colorado River – California (from 2.00)

• Read p56 Parrot book, the Colorado under pressure.

Homework / end of lesson

• Make notes on the case study of California on Geographical Controls from the handout.

• Watch A World Without Water on youtube