Material

θ_rɬ (m³∙m⁻³)

θ_s (m³∙m⁻³)

α = 1/h_g (m⁻¹)

n

K_s (m∙h⁻¹)

Sand

0.013

0.337

20.5

2.92

3.52

Gravel

0.037

0.274

4.740

2.40

0.551

Bimodal Gravel

0.032

0.226

0.840

2.71

0.0432

Matrix-free Gravel

0.020

0.360

111.6

2.70

36.0