Geography

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  • Created by: GBR46519
  • Created on: 03-03-15 20:30
What is erosion?
The wearing away of the land by material carried by rivers, glaciers, waves and wind.
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What is deposition?
When the river loses its energy and deposit its load. This also occurs in very shallow water.
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What is traction?
Stones roll along the river bed.
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What is saltation?
Sand-sized particles bounce along the river bed in a leap frog motion.
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What is suspension?
Particles are carried with the water flow.
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What is solution?
Some minerals dissolve in the water.
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What is the load?
All the material that is carried.
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What is the discharge?
How much water goes past in a second.
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What is the velocity?
Speed Mps of the flow
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What is the volume?
How much water there is.
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What landforms are found in the upper course of the river?
V.shaped valley, Water falls, Boggy land, Low population, Steep slopes, Gorge, Large boulders.
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What landforms are found in the middle course of the river?
Meanders, Oxbow lakes, Gentle grade, Valley widens, Flood plain.
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What landforms are found in the lower course of the river?
Estuary, Mud flats, Large meanders, Oxbow lakes, Flat.
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What is the overland flow?
Water flows over the land.
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What is infiltrate?
Water soaks into the soil.
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What is throughflow?
Movement through the soil.
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What is precipitation?
All of the water that comes from the sky.
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What is evaporation?
Water turning into vapour.
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What is rising limb?
The amount of water increasing.
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What is falling limb?
The amount of water decreasing.
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What is peak discharge?
How much water there is.
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What is lag time?
How long it takes between the peak discharge and the decrease into the river.
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What is the base flow?
The mormal flow of the river.
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What is the storm flow?
The amount of water in the river because of a storm.
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Porous rock?
Lets the water through the earth e.g. Limestone
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Impermeable rock?
Does not let water through e.g. Gramite.
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Other cards in this set

Card 2

Front

What is deposition?

Back

When the river loses its energy and deposit its load. This also occurs in very shallow water.

Card 3

Front

What is traction?

Back

Preview of the front of card 3

Card 4

Front

What is saltation?

Back

Preview of the front of card 4

Card 5

Front

What is suspension?

Back

Preview of the front of card 5
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