What is ‘water security’?
Having access to enough clean, safe drinking water that aids well being and economic development
What is meant by water deficit?
Supply of water is lower than the demand
What is meant by water surplus
Supply of water is higher than demand
Which areas of the world have a water deficit?
Drier areas such as Australia, Northern Africa (Sahara) and Southern Africa, The Middle East.
Which areas of the world have a water surplus?
What is water security?
When a country has a water surplus. They have a higher supply of water than they demand.
What is meant by water insecurity?
When a country has a water deficit. Their demand is higher than their supply of water.
What is ‘water stress’?
When an area does not have
How is water security linked to well-being?
Why is water consumption increasing?
Identify the 6 factors that affect water availability
List the impacts of water insecurity
What are waterborne diseases?
Diseases that affect people who drink contaminated water. e.g. cholera, dysentery.
How does water insecurity lead to waterborne diseases?
Drinking from unsafe water supplies in places that do not have infrastructure e.g. pipes. This increases the likelihood of disease
How does water insecurity lead to lower food productivity?
Food production requires water. Agricultural practices suffer if there is not an adequate amount of water to tend to crops. As a result, lower supply increases food prices.
How does water insecurity lead to lower industrial output?
Industry requires large amounts of water to be productive. Many factories around the world close in times of water shortage. This reduces productivity and a loss of profits.
How does water insecurity lead to conflict?
List 4 strategies that can be used to increase water supply?
How does diverting supplies and increasing water storage increase water supply?
To prevent water lost through evaporation, some water can be diverted and stored underground for times of need.
What is a dam?
A barrier built in a river used to control the flow of water at any given time
What is a reservoir?
An artificially made body of water, usually found behind a dam.
How do dams and reservoirs increase water supply?
Dams can be closed during times of plentiful water, allowing water to be stored and released during times of deficit. This enables sufficient supply of water downstream and prevents loss of water through flooding.
What is a ‘water transfer’?
Moving water from an area of surplus to an area of deficit through a network of pipes
How do water transfer schemes increase water supply?
Moving water from one basin to another, shares out water to avoid an area of deficit becoming seriously impacted by a water scarcity.