Hydraulic conductivity
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In science and engineering, hydraulic conductivity is a property of porous materials, soils and rocks, that describes the ease with which a fluid can move through the pore space, or fracture network.
Cumulative frequency distribution (lognormal) of hydraulic conductivity (X-data)
Porosity
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Porosity or void fraction is a measure of the void spaces in a material, and is a fraction of the volume of voids over the total volume, between 0 and 1, or as a percentage between 0% and 100%. Strict
Hydraulic conductivity
…meters per second) is a property of porous materials, soils and rocks, that describes the ease with which a fluid (usually water) can move through the pore space, or fracture network. It depends on the intrinsic permeability (k, unit: m2) of the material, the degree of saturation, and on the density and viscosity…
Optical method of measuring porosity: thin section under gypsum plate shows porosity as purple color, contrasted with carbonate grains of other colors. Pleistocene eolianite from San Salvador Island, Bahamas. Scale bar 500 μm.