Human factors affecting water supply
- Created by: Caits24
- Created on: 16-04-17 14:02
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- Factors affecting water supply (human)
- Domestic
- Global domestic demand seems to be doubling every 20 years
- MEDCs need at least 100,000 litres of water per person per year
- African countries need less than 50,000
- Water usage in homes is the smallest category of consumption using only 10%
- Usage
- Agriculture
- 1kg of beef is 10x more 'water costly' to produce than 1kg of rice
- Uses 69% of world's 4430.7km cubed a year freshwater supply
- Industry
- HEP uses huge amounts of water but this is available to other users once it has passed through the turbines
- Industry is more efficient than agriculture with the exception of paper manufacturing
- Agriculture
- Economic
- Economic water scarcity occurs mainly in Africa (central and southern)
- More than 1 billion people in Sub Saharan Africa use less than 25% of river sources available
- Domestic
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