Hydraulic Conductivity and Transmissivity
The ability of soil to transfer water under a hydraulic gradient is measured by its hydraulic conductivity. It is defined by Darcy’s law, which, for one-dimensional vertical flow, can be written as follows:
U
=
−
K
d
l
d
z
U=−K
dz
dl
–(1)
U = Darcy’s velocity
h= hydraulic head