water cycle key terms

• transpiration

  evaporation of water from plants to the atmosphere through their stoma
• evapotranspiration


  combined return of water to atmosphere from evaporation and transpiration
• streamflow

  water that flows through streams and into the ocean or as tributaries to other rivers
• interception


  water stored temp by trees before it reaches the ground
• infiltration


  water moving from above ground into soil
• throughflow


  flow of water through soil and into streams or rivers
• stem flow

  flow of water thats been intercepted by plants
• water balance

  amount of precipitation compared to water leaving surface as runoff or evapotranspiration
• convectional rainfall

  warm air rises due to heating of sun

  • it condenses at higher altitudes and falls as rain
• relief rainfall

  warm air forced upward by a barrier e.g mountains

  • condenses at higher altitudes, falls as rain
• frontal rainfall

  warm air rises over cool air when two bodies of air meet at different temperatures

  • condenses at higher altitudes and falls as rain
• when two species come from unrelated ancestors ans look similiar as they have evolved under similar

  conditions