Hydrological Cycle- Terms

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1. What's groundwater flow?

  • The movement of water across the ground surface in gullies, streams or rivers.
  • The lateral movement of groundwater through permeable rocks. Groundwater eventually reaches the surface.
  • The movement of water across the ground surface as a thin film or sheet.
  • The lateral movement of water through soil to streams and rivers/
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2. What is the combined moisture loss from evaporation and transpiration from an area?

  • Evapotranspiration
  • Evaporation
  • Precipitation
  • Percolation

3. What's throughfall?

  • Precipitation, initially intercepted by the leaves, stems and branches of vegetation, which drips to the ground.
  • The vertical movement of water from the ground surface to the soil.
  • The lateral movement of water through the soils to streams and rivers.
  • Moisture in the form of rain, drizzle etc., which falls from clouds.

4. What's percolation?

  • The lateral movement of water through the soil to streams and rivers.
  • The vertical movement of water, under the pull of gravity, from the soil into permeable rock.
  • The vertical movement of water, under the pull of gravity, from the ground surface into the soil.
  • The lateral movement of groundwater through permeable rocks.

5. What's evaporation?

  • The phase change of water from liquid to gas (i.e. water vapour)
  • wen a liquid goes into da air
  • The combined moisture loss from evaporation and transpiration from an area.
  • The vertical movement of water across the ground surface as a thin film or sheet.

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