water key words Flashcards
define Over abstraction
When water is being used more quickly than it is being replaced
define Waterborne diseases
Diseases caused by microorganisms that are transmitted in contaminated water
define Water conflict
Disputes between different regions or countries about the distribution and use of fresh water
Water deficit
Where water demand is greater than supply
Water insecurity
Where water availability is not enough to ensure the population enjoys good health, livelihood and earnings
Water quality
Measured in terms of the chemical, physical and biological content of water
Water
security
Reliable availability of an acceptable quality and quantity of water
Water stress
Demand for water exceeds the available amount during a certain period or when poor quality restricts its use
Water
surpluses
Water supply is greater than demand
Grey water
Wastewater from peoples’ homes that can be recycled and put to good use
Groundwater
management
Regulation and control of water levels, pollution, ownership and use of groundwater
Sustainable
development
Development that meets the needs of the present without limiting the ability of future
generations to meet their own needs
Sustainable water
supply
Meeting the present day need for safe, reliable and affordable water which minimises
adverse effects on the environment whilst enabling future generations to meet their
requirements
Water conservation
The preservation, control and development of water resources and prevention of pollution
Water transfer
schemes
Systems of canals, pipes and dredging over long distances to transport water from one river
basin to another
