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23 Cards in this Set

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what is the hydrological cycle

the continuous water cycle

what is a closed system

(water cycle)


no inputs of outputs

what is an open system

(drainage basin)


has inputs and outputs

what is infiltration

water soaked into the soil

what is percolation

water movement through soil

what is a drainage basin

area drained by a river

what are the stores of a drainage basin

channel store


ground water store


channel storage


interception storage

what are the flows of a drainage basin

channel flow


groundwater flow


infiltration

what is a watershed

the area of high land either side of the river

what is a confluence

where 2 rivers meet

what is a tributary

small rivers

what is chemical weathering

breaking down of rock through chemicals

how is acid rain created

carbon dioxide reacts with rock which is then dissolved

what is biological weathering

breaking down of rocks by organisms

what is physical weathering

breaking down of rock by physical change


eg temp

what is hydraulic

water pressure creates cracks


water forced in and expands it

what is abrasion

hard rock comes loose and forced to base of the rock

what is attrition

rocks forces against eachother

what is solution

rocks dissolved into water

what is traction

rocks role along

what is saltation

rocks picked up and dropped

what is suspension

floating rocks

what is a flood plain

the area of land flooded by the river