Water 1.0 Flashcards

1
Q

What is blue water flow?

A

The visible part of the system. The water that is available and recyclable.

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2
Q

What is green water flow?

A

The interception and transpiration of water by evaporation from surfaces or vegetation.

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3
Q

What are the four key terms to describe how water moves through a system?

A

Inputs, stores, outputs and flows.

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4
Q

What percentage of world water is fresh water?

A

2.5%

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5
Q

What percentage of fresh water is attainable from the surface and atmosphere?

A

0.4%

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6
Q

Where is the majority of abstracted water used?

A

Agriculture 93%

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7
Q

Where else is abstracted water used?

A

Domestic uses, power, some is evaporated and industrial uses.

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8
Q

How does Climate change impact water scarcity in areas?

A

Precipitation levels are changed therefore areas experience drought.

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9
Q

What does over abstraction do to water tables?

A

Lowers the water tables.

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10
Q

What does irrigation do to water tables?

A

Raises the water tables.

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11
Q

What chemical was used in China for cloud formation?

A

Silver iodide.

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12
Q

How does forest clearance affect climate?

A

Reduced evapotranspiration which leads to a drier climate.

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13
Q

What is the name given to the wet weather season?

A

Monsoon

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14
Q

How much water does the Amazon discharge?

A

219,000m3/s

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15
Q

What rocks are aquifers made from?

A

Chalk and porous sanstones

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16
Q

What comes after evaporation in the water cycle?

A

Condensation

17
Q

What percentage of water is locked up in glaciers and ice caps?

A

68.7%

18
Q

Where is the majority of fresh water located?

A

In lakes, 67.4%

19
Q

What affects river runoff?

A

Dam construction and abstraction for industry/ domestic use.

20
Q

What effect does pollution have on water (lakes/oceans/groundwater)?

A

Less availability of useable water