underground surface below which the ground is wholly saturated with water
a body of rock or sediment that stores groundwater and allows the flow of groundwater
The percentage of the total volume of a rock or sediment that consists of open spaces.
an area in which water travels downward to become part of an aquifer
A spring that forms where cracks occur naturally in the cap rock and the pressurized water in aquifers press to the surface through the crack.
zone of aeration
The upper zone which usually isn't completely filled with water, but with rocks and soil too.
water that fills the cracks and spaces in underground soil and rock layers
zone of saturation
lower region of groundwater where all the pore spaces in a rock or sediment are filled with water
preventing especially liquids to pass or diffuse through
a place where groundwater seeps out of the ground
a deep hole or shaft dug or drilled to obtain water
impermeable to water / halts the upwardly movement of water and keeps the water from escaping the surface