zone of saturation The soil or rock located below the top of the groundwater table. By definition, the zone of saturation is saturated with water. Also, see water table.
zooglea A jelly-like coating developed by bacteria.
Zone of saturation: The space below the water table in which all the interstices (pore spaces) are filled with water. Water in the zone of saturation is called groundwater.
Zooplankton: Tiny aquatic animals eaten by fish.
Zone of Saturation: The layer beneath the surface of the land containing openings that may fill with water.
Zone of saturation The space in the soil below the water table in which all the pores are filled with water. The water in the zone of saturation is groundwater.
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Water Table The level of ground water or the upper surface of the zone of saturation of groundwater above an impermeable layer of soil or rock (through which water cannot move) as in an unconfined aquifer.
(2) The process by which water is added to the Zone of Saturation. (3) The introduction of surface or ground water to groundwater storage such as an aquifer.
Water Table: Upper surface of a zone of saturation, where that surface is not formed by a confining unit; water pressure in the porous medium is equal to atmospheric pressure (the phreatic surface).
A land area in which water reaches the zone of saturation from surface infiltration, e.g., where rainwater soaks through the earth to reach an aquifer.
Recharge Rate
The quantity of water per unit of time that replenishes or refills an aquifer.
water table the uppermost level of the ground water, separating the zone of aeration (above) from the zone of saturation or ground water (below).
water vapor the gaseous state of water.
watershed the area drained by a river system.
Groundwater: Water occurring in the zone of saturation in an aquifer or soil. Water beneath the surface of the earth which saturates the pores and fractures of sand, gravel, and rock formations.
The process by which external water is added to the zone of saturation of an aquifer, either directly into a formation or indirectly by way of another formation.
Definition source
Translations of "groundwater recharge": ...
Groundwater table. The upper surface of the zone of saturation (all pores of subsoil filled with water), except where the surface if formed by an impermeable body.
GPM. gallons per minute.
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The process by which water is added to a zone of saturation, usually by percolation from the soil surface; e.g., the recharge of an aquifer.
Source: Terms of the Environment
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An impermeable diaphragm, usually of sheet metal or concrete, constructed at intervals within the zone of saturation along the conduit of a principal spillway to increase the seepage length along the conduit and thereby prevent piping or seepage ...
Perched aquifer: Localized zone of saturation above the main water table created by an underlying layer of impermeable material.
Water Table: The upper surface of the zone of saturation; the upper surface of the groundwater.
aquifer discharge area An area of land where the zone of saturation is in direct contact with the ground surface. Discharging ground water may appear as springs, seeps, or in baseflow of streams.
recharge The process by which water is added to a reservoir or zone of saturation, often by runoff or percolation from the soil surface.
The movement of water through openings in sediment and rock that occurs in the zone of saturation.
Groundwater Flow Velocity
A measure of the direction and speed of Groundwater Flow.
 See also: Water, Saturation, Soil, Table, Reduce
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