Darcy's law is an equation that describes the flow of fluids through porous media.

What is the formula for Darcy's law?

The formula for Darcy's law is Q = -kA(dh/dL) where Q is the volumetric flow rate, k is the hydraulic conductivity (or permeability) of the porous medium, A is the cross-sectional area of the medium through which the fluid is flowing and (dh/dL) is the hydraulic gradient or pressure gradient.

What is hydraulic conductivity?

Hydraulic conductivity is a measure of the ability of a porous medium to transmit fluids. It is the coefficient of proportionality between the hydraulic gradient and the flow rate in Darcy's law.

What is the significance of Darcy's law in hydrology?

Darcy's law is a fundamental principle in hydrology and is used to model the flow of groundwater through soil and rock formations. It is also used in engineering applications to design drainage systems and to estimate the rate of contaminant transport in groundwater.

What is the hydraulic gradient?

The hydraulic gradient is the pressure difference between two points in a fluid divided by the distance between the points. It represents the driving force behind fluid flow through a porous medium.

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