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Chp.10 vocab
Term | Definition |
---|---|
Infiltration | process by which precipitation that has fallen on land surfaces enters the ground and becomes groundwater |
Zone of saturation | region below Earth's surface where all the pores of a material are completely filled with groundwater |
Permeable | Ability of a material to let water pass through is high in material with large well connected pores and now in material with few pores or small pores |
Water Table | Upper boundary of the zone of saturation that rises during wet seasons and drops during dry periods |
Zone of aeration | Region above the water table where materials are moist but pores contain mostly air |
Aquifer | Permeable underground layer through which groundwater flows relatively easily. |
Aquiclude | impermeable layer that is a barrier to groundwater such as sit clay and shale |
Spring | natural discharge of ground water at earths surface where an aquifer and aquiclude come to contact |
Cave |