water table noun
: the highest underground level at which the rocks and soil in a particular area are completely wet with water
: a stringcourse or similar member when projecting so as to throw off water
: the upper limit of the portion of the ground wholly saturated with water
Examples of WATER TABLE
- Heavy rainfall has caused the water table to rise.
First Known Use of WATER TABLE
water table noun (Concise Encyclopedia)
Surface of a body of underground water below which the soil or rocks are permanently saturated with water. The water table separates the groundwater zone (zone of saturation) that lies below it from the zone of aeration that lies above it. The water table fluctuates both with the seasons and from year to year because it is affected by climatic variations and by the amount of precipitation used by vegetation. It also is affected by withdrawing excessive amounts of water from wells or by recharging them artificially. See also aquifer.
Seasonal variations in groundwater levels.—© Merriam-Webster Inc.
Variants of WATER TABLE
water table or groundwater table
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