water table

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water table,

the top zone of soil and rock in which all voids are saturated with water. The level of the water table varies with topography and climate, and depends on the degree to which the groundwater lost due to environmental reasons or human use, is replenished.

Water table

A horizontal offset in a wall sloped on the top to throw off water running down the wall.

Water Table


the water surface of rivers, lakes, and other bodies of water or the surface of unpressured ground-water. In the latter case the upper boundary (surface) of groundwater in the water-bearing stratum is the water table. The groundwater table slopes in the direction of water movement and reflects the relief of the surface in subdued form. If the groundwater fills enclosed depressions in a water-resistant bed, its surface becomes horizontal. The outlines of the groundwater table in plan view are depicted on a map by means of water table contours.

water table

[′wȯd·ər ‚tā·bəl]
(building construction)
A ledge or slight projection of the masonry or wood construction on the exterior of a foundation wall, or just above it, to protect the foundation by directing rainwater away from the wall. Also known as canting strip.
The planar surface between the zone of saturation and the zone of aeration. Also known as free-water elevation; free-water surface; groundwater level; groundwater surface; groundwater table; level of saturation; phreatic surface; plane of saturation; saturated surface; water level; waterline.

water table

water table, 1
1. A horizontal exterior ledge on a wall, pier, buttress, etc.; often sloped and provided with a drip molding to prevent water from running down the face of the lower portion; also called an offset, 1. Also see base course, drip cap.
2. Same as groundwater level.

water table

1. the surface of the water-saturated part of the ground, usually following approximately the contours of the overlying land surface
2. an offset or string course that has a moulding designed to throw rainwater clear of the wall below
References in periodicals archive ?
Watertable (WT) Appraisal: The construction period of FDP was mid-1983 to mid-1994.
The model predicted that the watertable in the Subdivision would go down to 6.
Before land clearance, most watertables were deep below the surface, and the undissolved salt was immobile in the soil.
Measurements were made of existing septic tanks and field lines to determine depth, linear footage, and separation from the wet season watertable, surface waters, wells, and other features Homeowners provided additional data by questionnaire regarding the age of their septic tank systems, number of household occupants, repairs to their septic system, and plumbing problems.
50 unsettled the viewer by dissolving the physical limits of the space, watertable is disconcerting in another way.
Karez system is vanishing principally due to subsidized electric and diesel pumping of groundwater, due to which the watertable is declining at 3 m/year in many parts of Balochistan.
Inflow and out flow approach change in watertable depth approach and a computer model (Surfer) approach.
This suggests that the adjacent native vegetation is affording some protection, thus slowing rates of watertable rise.
The depth of the watertable and the circulation regime of groundwater are responsible for the capillary discharge in the playa surface and the accumulation of surface saline crusts.
Unconfined Groundwater--Groundwater under atmospheric pressure wherein the watertable rises or falls as the volume of stored water changes.
For example, the success of drainage and revegetation strategies relies on understanding how wetland vegetation copes with saline and waterlogged conditions, and its influence on watertable levels and salt build-up.
WAPDA at Mona Reclamation and Experimental Project has shown raising of crops with less number of irrigations in high watertable areas.