Hydrological Cycle- Terms

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1. What's transpiration?

  • The movement of water across the ground surface as thin film or sheet.
  • The evaporation of moisture produced by the pores of plants, from vegetation surfaces.
  • The movement of water across the ground surface in gullies, streams and rivers.
  • The phase change of water from liquid to gas.
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2. What's percolation?

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

3. What's precipitation?

  • The evaporation of moisture produced by pores of plants, from vegetation surfaces.
  • The phase change of water from liquid to gas.
  • Moisture, in the form of rain, drizzle, sleet, snow, hail, etc., which falls from clouds.
  • rain

4. What is the combined moisture loss from evaporation and transpiration from an area?

  • Precipitation
  • Percolation
  • Evapotranspiration
  • Evaporation

5. What's groundwater flow?

  • 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 movement of water across the ground surface in gullies, streams or rivers.
  • The lateral movement of water through soil to streams and rivers/
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