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16-1 Groundwater
Question | Answer |
---|---|
Aquifer | An aquifer is a body of rock or sediment that can store water. |
Pororsity | The amount of open space in a set volume of rock |
What's very porous? | Sandstone |
Impermeable | Water cannot pass through it |
What's impermeable? | Clay |
Zone of Saturation | The layer of an aquifer in which the pore space is completely filled with water |
Water Table | The upper boundary of the zone of saturation |
Zone of Aeration | Holds soil moisture and air. |
Capillary Fringe | Lower boundary of the zone of aeration |
What does the depth of the water table depend on? | topography, permeability, rainfall, and human use |
Recharge Zones | Water that flows back into an aquifer |
Well | A hole that is dug below the level of the water table |
How does a Cone of Depression form? | Forms where too much groundwater is pumped out from a well |
How does an Artesian Well form? | Forms when a sloping layer of permeable rock is sandwiched between two layers of impermeable rock. |
Hot Spring | Groundwater heated by magma. |
Geyser | Forms when a hot spring periodically erupts from surface pools or vents |
... | Hehe |