Stores Flashcards

1
Q

What is hydrospheric water?

A

layer of water stored on/near the Earth

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2
Q

What percentage of water is stored in the oceans?

A

96.5%

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3
Q

What is atmospheric water?

A

water in the atmosphere, the layers of gasses surrounding the planet. it includes clouds and water vapour

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4
Q

What is cryospheric water?

A

all the frozen water on our planet

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5
Q

What are the types of water in the cryosphere?

A
  • ice caps
  • ice sheets
  • ice shelves
  • ice bergs
  • permafrost
  • glaciers
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6
Q

What is terrestrial water?

A

water stored in ground water, soil, rivers, lakes etc.

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7
Q

Which water store has the longest residence time?

A

ice sheets (e.g Antarctica)

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8
Q

Which water store has the lowest residence time?

A

atmospheric (10 days)

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9
Q

What processes drive change in water stores?

A

evaporation, condensation, precipitation, cryospheric processes, drainage basins

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10
Q

What is lithospheric water?

A

water stored within the planet’s crust (includes terrestrial/cryospheric)

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11
Q

What is biospheric water?

A

water stored in biological components and ecosystems

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12
Q

Why is atmospheric water important?

A
  • absorbs, reflects and scatters solar energy from the sun
  • rapid transport of water around the globe
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13
Q

What is residence time?

A

the amount of water in a store divided by either the rate of addition of water to the store or the rate of loss from it

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14
Q

What is a drainage basin?

A

an area of land where all flowing surface water converges to a single point

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15
Q

What are global water stores?

A
  • cryosphere
  • hydrosphere
  • lithosphere
  • atmosphere
  • biosphere
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16
Q

How might global water stores change over time?

A
  • increase in temperatures decreases cryospheric stores, increases hydrospheric stores
17
Q

What is accumulation?

A

positive mass balance in a glacier (gains mass)

18
Q

What is ablation?

A

negative mass balance in a glacier (loses mass)

19
Q

How much would sea levels rise if the Greenland ice sheet melted?

A

6m