darcy

Unit of intrinsic permeability, defined as the permeability of a medium in which a liquid of dynamic viscosity of 1 centipoise discharges 1 cm3/s  through a cross section of 1 cm2, under a gradient normal to the section at 1/cm.

 

Source:

UNESCO/WMO International Glossary of Hydrology (2nd revised ed., 1992)

Posted on February 8, 2014 .