Water on the Land Key Words

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  • Created by: puntm003
  • Created on: 14-02-14 15:26
Alluvium
Tiny bits of sand and silt in the lower course of a river
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Abrasion
Occurs when the load of the river repeatedly hits the bed and banks causing some material to break off
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Attrition
Stones and boulders carried by the river crash into each other causing them to become rounder, smoother and smaller
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Solution
Some types of rock (e.g. limestone and chalk) can be dissolved by river water
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Hydraulic Action
The sheer force of the water hitting the bed and backs. this is most effective when the river is in flood
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Groundwater Flow
Water moving underground through joints and pores in the rock
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Plunge Pool
The deeper part underneath a waterfall where the rock is eroded by hydraulic action
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Saltation
Small rocks and pebbles rolling along the river bed
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Slip-off slope
The inside bend of a meander where the water flow is slower so the bed-load is dropped and forms a river beach/ slip-off slope
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Solution
Dissolved rocks in a river
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Suspension
Tiny bits of rock suspended in the river water
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Watershed
The boundary between two drainage basins marked by a high ridge of land
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Confluence
The point at which two rivers join
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Other cards in this set

Card 2

Front

Occurs when the load of the river repeatedly hits the bed and banks causing some material to break off

Back

Abrasion

Card 3

Front

Stones and boulders carried by the river crash into each other causing them to become rounder, smoother and smaller

Back

Preview of the back of card 3

Card 4

Front

Some types of rock (e.g. limestone and chalk) can be dissolved by river water

Back

Preview of the back of card 4

Card 5

Front

The sheer force of the water hitting the bed and backs. this is most effective when the river is in flood

Back

Preview of the back of card 5
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