Name

Default

Unit

Symbol

Comments/Explanations

UpperDepth

0

m

z

LowerDepth

0.1

m

z

Lambda

0.3

-

λ

Pore size distribution index. See eq. (2.19).

Air Entry

10

cm

ψ_a

Air entry pressure. See eq. (2.19).

Saturation

45

vol %

θ_s

Water content at saturation. See eq. (2.20)..

Wilting Point

4

vol %

θ_wilt

Water content at wilting point (15 atm).

Residual Water

1

vol %

θ_r

Residual soil water content. See eq.(2.20).

Macro Pore

4

vol %

θ_m

Macro pore volume. See eq.(2.23).

Upper Boundary

8000

cm

ψ_x

Soil water tension at the upper boundary of Brooks & Corey’s expression.