Geography Key Terms

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Anticyclone
An area of high pressure associated with dry, settled weather
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Aquifer
A large store of underground water in rocks
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Attrition
Erosion process where rocks smash against each other and break into smaller more rounded pieces
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Climate
The average weather for a place taken over a period of years
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Condensation
The process where water is changed from a gas to a liquid
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Confluence
Where two rivers meet
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Corrasion/Abrasion
Erosion process where pebbles and stones are thrown against the side of the river/cliff and wear it away
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Corrosion
Erosion process where minerals in the rocks are chemically dissolved into the water
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Cyclone
A severe storm that occurs in tropical areas caused by very low air pressure
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Deforestation
The cutting down of trees
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Deposition
Where sediment is laid down
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Depression
An area of low pressure which brings wet and windy weather
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Discharge
The volume and velocity of a river measured in cumecs
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Drainage Basin
The area drained by a river and its tributaries
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Ecosystem
A community of plants and animals and the environment in which they live
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Erosion
The wearing away of the landscape by a number of different processes
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Evaporation
The process where water is changed from a liquid to a gas
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Greenhouse Gases
Gases such as carbon dioxide and methane that trap heat in the atmosphere
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Groundwater Stores
Water in the ground below the water table
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Hard Engineering
Solutions to flooding that usually involve concrete such as dams and channels
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Hydraulic Action
Erosion process where pressure pushes water into cracks in rocks and forces them apart
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Hydrological Cycle
The continuous flow of water between the Earth's surface and the atmosphere. Also called the water cycle
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Impermeable
Soil or rock which does not let water pass through it
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Infiltration
The process where water soaks into the ground
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Mouth
Where a river meets the sea
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Permeable
Soil or rock, which lets water pass through it
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Precipitation
Rain, Snow, Hail
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Run-Off
Where water runs off the surface of the land
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Saltation
Process where stones bounce along the bed of a river
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Soft Engineering
Solutions to flooding that are environmentally friendly
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Source
The place where a river starts
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Traction
Where stones and pebbles roll along the river bed
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Transpiration
The process where water is lost from the leaves of plants into the atmosphere
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Tributary
A smaller Stream which joins a large one
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Urban heat island
Where a city has temperatures that are higher than the surrounding rural area
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Watershed
The divide between two drainage basins
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Weather
Day to day changes in atmospheric conditions
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Weathering
The breaking up of rocks 'in situ' (where they are) by the effects of the weather
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Solution
Minerals are dissolved in the water
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Saltation
Large particles bounce along the river bed - transportation process
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Drought
An area that has had less rainfall than normally expected
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Other cards in this set

Card 2

Front

A large store of underground water in rocks

Back

Aquifer

Card 3

Front

Erosion process where rocks smash against each other and break into smaller more rounded pieces

Back

Preview of the back of card 3

Card 4

Front

The average weather for a place taken over a period of years

Back

Preview of the back of card 4

Card 5

Front

The process where water is changed from a gas to a liquid

Back

Preview of the back of card 5
View more cards

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