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Geography - A LEVEL > Flows and Stores - P > Flashcards

Flows and Stores - P Flashcards

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1
Q

How much water do oceans store

A

1.37 billion km³ of water
97% of global water

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2
Q

How much water dopolar ice and glaciers store

A

29million km³ of water
2% if global water

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3
Q

How much water do aquifers (groundwater) store

A

9.5 million km³
0.7% of global water

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4
Q

How much water do lakes store

A

125,000 km³ of water
0.01% of global water

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5
Q

How much water do soils store

A

65,000 km³ of water
0.005% of global water

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6
Q

How much water does the atmosphere store

A

13,000 km³ of water
0.001% of global water

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7
Q

How much water do rivers store

A

1,700 km³ if water
0.0001% of global water

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8
Q

How much water does the biosphere store

A

600km³ if water
0.00004% of global water

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9
Q

What is infiltration

A

Movement of water vertically from the ground surface into the soil

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10
Q

What is percolation

A

Movement of water vertically from the soil into the bedrock

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11
Q

What is evaporation

A

When liquid water ris heated and becomes water vapour

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12
Q

What is condensation

A

When water vapour cools and forms liquid water

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13
Q

What is transpiration

A

When moisture is carried from a plants roots to its pores where it changes to vapour and is released

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14
Q

What is surface run-off / overland flow

A

Movement of water across the land surface either when the ground is saturated or when infiltration capacity is exceeded

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15
Q

What is ablation

A

The loss of ice and snow especially on a glacier through melting, evaporation and sublimation

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16
Q

What is precipitation

A

Moisture (rain,snow,hail etc) falling from the clouds towards the ground

17
Q

What is sublimation

A

The phase change if water from ice to vapour

18
Q

What is channel flow

A

The movement if water withing the river channel

19
Q

What is through flow

A

Water flowing horizontally through the soil to stream and river channels

20
Q

What is groundwater flow

A

The horizontal movement of water within aquifers or bedrock

21
Q

What is leaf drip

A

Water falling to the ground from leaves of vegetation

22
Q

What is stemflow

A

The flow of water along branches and stems of trees and other plants to the ground

23
Q

What is interception

A

When rainwater is stored temporarily on leaves, stems and branches of vegetation

24
Q

What is capillary action

A

The upward movement if water through channels in a substance

Geography - A LEVEL (15 decks)

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