Water: supply insecurities and strategies to increase supply Flashcards
What is water surplus? (what does it create?)
When supply outweighs demand, creating water security
What is water deficit? (what does it create?)
When demand outweighs supply, creating water insecurity
Where is there the most water deficit?
Along the tropics of cancer and Capricorn as well as in the southern hemisphere
Where is there the most water surplus?
Along the equator and in the northern hemisphere
Why does water demand increase? Why?
- Population growth
- Agriculture demands
- Urbanisation
- Energy
- Climate change
- Industry
How does population growth increase water demand?
The world population grew from 2.5 to 6 billion between 1950 and 2000. 7 billion people are estimated to have insufficient water by 2050.
How does agriculture demand increase water demand?
Rising population increases demand for food, which increases the demand for water needed for farming
