Geography key terms

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Evaporation
Water is converted from liquid to gas, it happens when the heat of the sun heats the water and turns it into water vapour
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Transpiration
Plants take up water from the soil and change it to vapour which they release
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Condensation
Water vapour cools and changes to liquid, which appear as water droplets in the atmosphere as clouds
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Precipitation
This is the transfer of water from the atmosphere to land, e.g rain
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Overland flow
The precipitation hits the ground and enters a stream or river under the force of gravity
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Infiltration
This is when water moves downwards into the soil and ends up in an aquifer
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Throughflow
Under the influence of gravity, water moves through the soil until it reaches a river
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Groundwater flow
This takes place in the aquifer, this is the underground transfer of water to rivers
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Interception
This happens when precipitation does not reach the soil but gets blocked by the leaves of the tree
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Aquifer
An aquifer is a porous rock that can store water
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Drainage Basin
A drainage basin or catchment basin is an extent or an area of land where all surface water from rain, melting snow, or ice converges to a single point, i.e a river
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Watershed
The edge of highland surrounding a drainage basin. It marks the boundary between two drainage basins.
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Tributary
a stream or smaller river which joins a larger stream or river.
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Confluence
the point at which two rivers or streams join.
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Source
The beginning or start of a river.
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Mouth
the point where the river comes to the end, usually when entering a sea.
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Discharge
The amount of water carried by a river at any one time
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Lag time
The time it takes for the Peak rainfall to meet the peak discharge
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Peak rainfall
The peak rainfall is the time of the highest rainfall
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Peak discharge
The time wen the river reaches its highest flow
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Drainage Density
Drainage density is the total length of all the streams and rivers in a drainage basin divided by the total area of the drainage basin
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Other cards in this set

Card 2

Front

Plants take up water from the soil and change it to vapour which they release

Back

Transpiration

Card 3

Front

Water vapour cools and changes to liquid, which appear as water droplets in the atmosphere as clouds

Back

Preview of the back of card 3

Card 4

Front

This is the transfer of water from the atmosphere to land, e.g rain

Back

Preview of the back of card 4

Card 5

Front

The precipitation hits the ground and enters a stream or river under the force of gravity

Back

Preview of the back of card 5
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