piezometer An observation well designed to measure the elevation of the water-table or hydraulic head of groundwater at a particular level. The well is normally quite narrow and allows groundwater to enter only at a particular depth, rather than throughout its entire length.
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Hydraulic Head , hydraulic head In general, the elevation of a water body above a particular datum level. Specifically, the energy possessed by a unit weight of water… Water-table , water-table The upper surface of groundwater, or the level below which an unconfined aquifer is permanently saturated with water. See also VADOSE ZON… Particular , par·tic·u·lar / pə(r)ˈtikyələr/ • adj. 1. used to single out an individual member of a specified group or class: the action seems to discriminate aga… Water Table , In common usage, the term water table expresses the surface dividing the unsaturated and saturated groundwater zones. More accurately, the water tabl… Soil-water Zone , soil-water zone (unsaturated zone, vadose zone) The zone between the ground surface and the water-table. Water is able to pass through this zone to r… Length , length / leng(k)[unvoicedth]; lenth/ • n. 1. the measurement or extent of something from end to end; the greater of two or the greatest of three dime…
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