Hydraulic conductivity

Ability of water to flow through a porous material / From Wikipedia, the free encyclopedia

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In science and engineering, hydraulic conductivity (K, in SI units of meters per second), is a property of porous materials, soils and rocks,[1] that describes the ease with which a fluid (usually water) can move through the pore space, or fractures network.[2] It depends on the intrinsic permeability (k, unit: m2) of the material, the degree of saturation, and on the density and viscosity of the fluid. Saturated hydraulic conductivity, Ksat, describes water movement through saturated media. By definition, hydraulic conductivity is the ratio of volume flux to hydraulic gradient yielding a quantitative measure of a saturated soil's ability to transmit water when subjected to a hydraulic gradient.