13 terms

GCSE changing demand for water in the UK

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Water supply
the provision of water by public utilities commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes.
Water demand
the quantity of water that the treatment plant must produce in order to meet all water needs in the community.
Water shortage
occurs when there is too little water or too great a demand for the area, or both.
Water surplus
This exists where water supply is greater than demand.
Water transfer scheme
The movement of water from areas of surplus to areas of demand via canals, aqueducts and pipes
South East UK
An area of periodic water shortage
North West UK
An area of water surplus
Westerly Prevailing wind and relief rainfall
Reasons why it is generally wetter in the west of the UK than the east
70%
The amount the demands on our water in the UK have also gone up by since 1985
4%
Amount of the drinkable water in the UK is actually drunk. The rest is used for other uses such as toilet flushing, washing clothes, or cleansing.
Reasons for rising UK water use
UK population increase, people shower more regularly, people are wealthier so have more water intensive machines, Farm uses have gone up as irrigation systems improve
Water stress period
condition where water availability is less than water demand for a certain length of time
Kielder Water
Example of a water transfer scheme. Water is trapped behind a dam in North West Northumberland then moved by pipe and rivers into the Derwent, River Wear and River Tees to supply Newcastle and Middlesbrough etc.