Rivers Terms Globals 9
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Erosion | the wearing away of the land by the process of water, wind, or ice
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| Transportation | the process whereby the river moves its load
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| Deposition | the process whereby the river drops material when it lacks energy to transport it's load
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| Attrition | when boulders bash together and break into smaller pieces
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| hydraulic action | the force of the water dislodges particles from the river's beds and banks
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| corrasion | material in suspension wears away the banks in a sand papering action (aka abrasion)
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| corrosion | the acids in the river dissolve the rocks in the bed and the banks of the river
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| traction | rolling stones (needs lots of energy)
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| saltation | bouncing or leap-frogging motion of sand sized material
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| suspension | silt and clay sized material carried within the water flow
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| solution | material which has been dissolved in the water and carried within the waterflow
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| discharge | measured in cumecs
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| evapotranspiration | the combination of water from plants and bodies of water returning to the atmosphere
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| infiltration | water passing from the surface to the soil
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| interception | vegetation
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| surface-runoff | water flowing to the river overland
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| precipitation | input into the drainage basin system
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| percolation | slow movement of water down through the soil to the rocks
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| stem flow | water transfer running down plants
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