CR Ch. 16 Flashcards
GROUNDWATER
Water beneath earths surface
ARTESIAN FORMATION
The sloping layer of permeable rock between two layers of impermeable rock that is exposed at the surface
PERMEABILITY
The ability of rock to let water flow through its open spaces
POROSITY
The percentage of the total volume of rock consisting of open spaces
AQUIFER
A body of rock that stores and allows the flow of underground water
WATER TABLE
The upper surface of underground water
CAVERN
A large cave consisting of many smaller connecting chambers
SINKHOLE
A circular depression that forms at the surface one rock dissolves, sediment is removed, or caves collapse
HARD WATER
Water with high concentration of dissolved minerals
Rock or sediment with low porosity is characterized by
Well-sorted, fine-grained particles
Groundwater flows downward in response to
Gravity
The zone of aeration is composed of how many regions?
One
Weak acid formed by the passage of water through soil causes
Chemical weathering
To land features formed by high groundwater Hot Springs and…
Geysers
Two of the most important properties of aquifers that affect the flow of groundwater are porosity and…
Permeability