15 terms

Topic 8 Ground Water and Water Cycle

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Transpiration
process by which plants release water vapor into the atmosphere
Infiltration
process of water soaking into the ground
water table
the boundary between the zone of aeration and the zone of saturation
capillary fringe
Located directly above the zone of saturation, where water moves upward against the force of gravity.
Ground water
Makes up 94% of all liquid fresh water
Hydrologic (water) cycle
The process of water continuously being exchanged between the atmosphere, hydrosphere and the lithosphere
Evapotranspiration
The total amount of water vapor that enters the atmosphere from all sources
Condensation
Water vapor (gas) changing to water (liquid).
Porosity
Percentage of open space in a material like a rock or soil
Evaporation
Water (liquid) changing to water vapor (gas).
Runoff
Water flowing on Earth's surface.
Permeability
The ability of a material to allow liquids like water to flow through it.
Zone of aeration
The zone where the pores are not filled with water
Zone of saturation
The zone where the pores are filled with water
Capillary Fringe
located slightly above water table is a small area where water is drawn up into pores against the pull of gravity.