4.2 The water cycle Flashcards

1
Q

what is the water cycle also known as?

A

The hydrologic cycle

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2
Q

water cycle processes

9 processes

A
  1. evaporation
  2. condensation
  3. precipitation
  4. transpiration
  5. surface run-off
  6. interception
  7. infiltration
  8. ground water flow
  9. through-flow
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3
Q

evaporation

A

the process in which liquid water turns into vapour

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4
Q

condensation

A

the process in which water vapour turns into liquid water, that is formation of cloud

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5
Q

Precipitation

A

water released from clouds in the form of rain, freezing rain, sleet, snow, or hail

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6
Q

Transpiration

A

the evaporation of water from plant leaves

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7
Q

Surface run-off

A

the process by which water runs over the ground into rivers

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8
Q

Interception

A

precipitation that doesn’t reach the Earth’s surface due to being obstructed by trees and plants.

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9
Q

Infiltration

A

the process by which water on the ground surface enters the soil

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10
Q

Groundwater flow

A

infiltrated water flows through rocks, on top of soil

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11
Q

Through flow

A

infiltrated water flows through the soil.

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12
Q

why humans affect surface runoff?

A
  • humans remove forests; to farm / urbanize (build houses) so less vegetation = (more) run off because vegetation intercepts / absorbs water;
  • soil absorbs water, humans build roads so with the use of concrete/ asphalt / roads, etc.; soil is not exposed so there is less infiltration
  • humans increase run-off;
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