Water management

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Aquifer
underground water source.
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Bund
a small dam which diverts water away from a stream to irrigate fields, usually made of stones and lined with leaves to make it waterproof.
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Dam and reservoir
a barrier built across a valley to interrupt river flow and create a man-made lake to store water and control river discharge.
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Desalination
the process of removing salt from seawater to produce fresh water
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Drought
a long, continuous period of dry weather.
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Evaporation
the process of water changing from liquid to vapour.
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Grey water
recycled domestic waste water.
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Groundwater
freshwater source that is found beneath the Earth's surface.
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Groundwater management
regulation and control of water levels, pollution, ownership and use of groundwater.
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Infrastructure
the basic equipment and structures ( such roads,utilities, water supply and sewage) that are needed for a country or region to function properly.
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Irrigation
artificial application of water to the land or soil.
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Johed
small earth dam for catching rainwater as a drinking water source, found in the Thar Desert, Pakistan.
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Over abstraction
when groundwater is used more quickly than it is being replaced.
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Pat system
irrigation channels that transfer water to the fields.
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Permeable rocks
rocks that allow water to pass through them.
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Pollution
chemicals, noise, dirt or other substances which have harmful or poisonous effects on an environment.
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Sustainability
actions that meet the needs of the present without reducing the ability of future generations to meet their needs.
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Taanka
underground storage systems about 3m in diameter and 3-4m deep which collect surface water from roofs.
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Water conflict
disputes between different regions or countries over the distribution and use of water.
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Water conservation
the preservation, control and development of water resources, both surface and groundwater, and prevention of pollution.
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Water deficit
when the demand for water is greater than the supply of water.
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Water insecurity
when water availability is insufficient to ensure the good health and livelihood of a population, due to short supply or poor quality.
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Water pollution
the contamination of water by substances that are harmful or poisonous to the environment, and make water supplies unsuitable for drinking.
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Water quality
measured in terms of the chemical, physical and biological content of the water.
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Water stress
when the demand for water exceeds supply in a certain period, or when poor quality restricts its use.
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Water surplus
when the supply of water is greater than the demand of water.
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Water transfer
matching supply with demand by moving water from an area with water surplus to another with water deficit.
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Waterborne disease
diseases like cholera and typhoid caused by microorganisms in contaminated water.
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Water recycling
process of extracting and reusing useful substances found in waste.
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Water security
availability of a reliable source of acceptable quantity and quality of water.
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Other cards in this set

Card 2

Front

a small dam which diverts water away from a stream to irrigate fields, usually made of stones and lined with leaves to make it waterproof.

Back

Bund

Card 3

Front

a barrier built across a valley to interrupt river flow and create a man-made lake to store water and control river discharge.

Back

Preview of the back of card 3

Card 4

Front

the process of removing salt from seawater to produce fresh water

Back

Preview of the back of card 4

Card 5

Front

a long, continuous period of dry weather.

Back

Preview of the back of card 5
View more cards

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