An underground store of groundwater in porus rock. Water is extracted from these subterranian stores mainly by wells and boreholes.
Aquifer
1 of 10
Not having enough access to sufficient supplies of safe water
Water insecurity
2 of 10
The extraction and consumption of surface groundwater resources beyond their sustainable level, so that the resource gradually becomes depleted.
Over-abstraction
3 of 10
The release of harmful substances into the environment with the potential to harm both people and the environment.
Pollution
4 of 10
Water that is ssufficiently clean to be fit for human use and consumption
Potable water
5 of 10
The removal of salt from sea water to make it fit for human use and consumption
Desalination
6 of 10
The amount of evaporation and transpiration that can occur given a sufficient supply of water. Actual evapotranspiration may be much lower if water isn't available.
Potential evapotranspiration
7 of 10
Where rainfall is less than 250mm yr-1
Arid
8 of 10
Where rainfall is less than 500mm yr-1
Semi-arid
9 of 10
A resource that is considered to be essential to the maintance of an economy.
Strategic resource
10 of 10
Other cards in this set
Card 2
Front
Not having enough access to sufficient supplies of safe water
Back
Water insecurity
Card 3
Front
The extraction and consumption of surface groundwater resources beyond their sustainable level, so that the resource gradually becomes depleted.
Back
Card 4
Front
The release of harmful substances into the environment with the potential to harm both people and the environment.
Back
Card 5
Front
Water that is ssufficiently clean to be fit for human use and consumption
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