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23 Cards in this Set
- Front
- Back
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what is the hydrological cycle |
the continuous water cycle |
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what is a closed system |
(water cycle) no inputs of outputs |
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what is an open system |
(drainage basin) has inputs and outputs |
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what is infiltration |
water soaked into the soil |
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what is percolation |
water movement through soil |
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what is a drainage basin |
area drained by a river |
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what are the stores of a drainage basin |
channel store ground water store channel storage interception storage |
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what are the flows of a drainage basin |
channel flow groundwater flow infiltration |
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what is a watershed |
the area of high land either side of the river |
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what is a confluence |
where 2 rivers meet |
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what is a tributary |
small rivers |
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what is chemical weathering |
breaking down of rock through chemicals |
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how is acid rain created |
carbon dioxide reacts with rock which is then dissolved |
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what is biological weathering |
breaking down of rocks by organisms |
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what is physical weathering |
breaking down of rock by physical change eg temp |
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what is hydraulic |
water pressure creates cracks water forced in and expands it |
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what is abrasion |
hard rock comes loose and forced to base of the rock |
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what is attrition |
rocks forces against eachother |
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what is solution |
rocks dissolved into water |
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what is traction |
rocks role along |
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what is saltation |
rocks picked up and dropped |
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what is suspension |
floating rocks |
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what is a flood plain |
the area of land flooded by the river |
