water table

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water table

The level at which rock or any underground stratum is saturated with water. This overlies an impervious stratum.
See also: table
References in periodicals archive ?
The project team agreed on a grouting plan in order to further seal the perched water table and to solidify the gravel layer.
The delay in flow of the A relative to the AB horizon represents the time it took for the perched water table to extend upward into the A horizon.
2 and 6) can also be explained by the extent of the perched water table within the watershed and its connectivity to the stream.
Perched water table observation wells were installed to a depth of 0.45m at Beverley, Woodanilling, and Cranbrook and were monitored manually (Cranbrook) or with an automatic capacitance probe water level recorder at Beverley, Woodanilling, and Cranbrook (2000 only).
The depth to the perched water table in the control and the raised beds was continuously monitored at Beverley and Woodanilling in 1998 and 1999.
This long duration of saturation coincides with the second restricting layer (the pallid zone or pallid soil subsystem), and the second perched water table, coming close to the surface (Fig.
Automated data allowed us to determine the nature of water table fluctuations in response to rain and drainage and to detect the occurrence of perched water tables. This would help determine when and how long water and nutrients might be flowing to shallow ditches.
When the flow lines of natural springs and perched water tables are broken, the water has to redirect itself and will always find the easiest route out - your lawn!