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Physical Geography A-level > Water Cycle > Flashcards

Water Cycle Flashcards

1
Q

What is albedo

A

how much light is reflected vs how much light is absorbed

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2
Q

How much % of our water in fresh and salty

A

96.5% salty and 2.5% freshwater

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3
Q

Where is the 2.5% of freshwater found

A

glaciers and ice caps 68.7%
ground water 30.1%
surface/other freshwater 1.2%

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4
Q

Out of the 1.2% of freshwater that can be accessed easily where is it found?

A

69% ice not in glaciers
20.9 lakes

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5
Q

Why cant we use salt water

A

useless,

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6
Q

Why are oceans salty

A

different types of rock

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7
Q

How are ocean currents formed

A

differential areas of salt and heat

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8
Q

How much of water is locked up in antartica

A

90% as ice

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9
Q

How much of our water is used for growing food

A

2/3

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10
Q

how much of water we use is used on industry

A

80%

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11
Q

How much indoor water is used in US for flushing toilet and washing clothes

A

26% for flushing toilet
22% washing clothes

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12
Q

What is a link you can make to human course regarding water inequality

A

people spend hours walking for water meaning they cant work

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13
Q

How many people lack access to clean safe water supply 2025

A

1.8 bil

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14
Q

Why is a lacked access to clean, safe water a problem

A

potential problem for migration

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15
Q

What is an aquifer

A

A body of saturated rock that water can easily move

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16
Q

What characteristics must aquifers have

A

both permeable and porous and include rocks like sandstone

17
Q

What does economic water scarcity mean

A

have water but dont have money to exploit it

18
Q

What types of water are there around the world?

A

oceanic, cryosphere, terrestrial, atmospheric water

19
Q

what is the main type of water

A

oceans dominate amount of available water

20
Q

How much ocean water is there

A

1,320,000,00 to 1370,000,000 km3

21
Q

What form is ocean water in

A

liquid form

22
Q

What is cryosphere water

A

portions of the earths surface where water is solid

23
Q

What are places that cryosphere water is stored

A

sea ice, ice caps, ice sheets, permafrost, alpine glaciers

24
Q

How much of earths freshwater does the cryosphere take up

A

68-70%

25
Q

What is terrestrial water

A

surface water, ground water, soil water, biological water

26
Q

What form is terrestrial water in

A

liquid form

27
Q

What from is atmospheric water in

A

gas

28
Q

What is abstraction

A

humans taking water out of sources

29
Q
A

Physical Geography A-level (7 decks)

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