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 independent behaviour of the groundwater table in closely spaced piezometers suggests that discontinuities are not interconnected and confirm the heterogeneity of the water flow in the gypsum rock mass.
Because this point plots on the Lake Michigan hydrograph along the expected line, it is interpreted that, by this time, Lake Michigan was backfilling Silver Lake through either an outlet channel or records the rise in the regional groundwater table.
Mean annual elevations of the groundwater table and heads estimated for 1976, 1990, and 1998 in the observation network were used as targets for transient calibration.
The combination of cultivation and long-fallows compacted the soil, destroying its structure and microbiology and increased recharge to the groundwater table.
Secondary salinization also occurs on non-irrigated lands where deforestation and reduced evapotranspiration causes a shallow groundwater table to rise.
The depth to the groundwater table was determined through a network of deep boreholes and shallow piezometers located around Thata island.
Grout typically is applied to reinstated mainline-lateral connections, and Anctil said a detailed closed-circuit television inspection of the laterals can also find other defects higher in the lateral that allow infiltration during high groundwater tables.
For each cell, there is a single point, called node, at which head value of the groundwater table is calculated.
The most important problem identified in relation to application of fertilizers in this region is the fast movement of dissolved nitrates into the groundwater table and subsequent pollution of this water source.
He said that there are instances of unsustainable development, particularly of groundwater resources, which have resulted in lowering in groundwater table in certain areas.
Although the major advantage to this practice is highway safety, rather than re-infiltration of the water into the groundwater, it still allows for more water to return to the groundwater table than would be the case with an impervious surface, where it merely evaporates back into the atmosphere.
Neighbors near the quarry - up an unpaved one-lane road off Cedarcroft Road, which feeds onto Bear Creek Road and then onto Cloverdale Road - fear that the 40 round trips per day the quarry intends to run will create noise, dust, traffic hazards, fire danger and also could damage the groundwater table and local wells.

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