Active

Specifies whether an element in PHAST is active or not.

MEDIA, active

always

Kx

Specifies the hydraulic conductivity in the X direction.

MEDIA, Kx

always

Ky

Specifies the hydraulic conductivity in the Y direction.

MEDIA, Ky

always

Kz

Specifies the hydraulic conductivity in the Z direction.

MEDIA, Kz

always

Porosity

Specifies the porosity.

MEDIA, porosity

always

Specific_Storage

Specifies the specific storage.

MEDIA, specific_storage

always

Longitudinal_Dispersivity

Specifies the longitudinal dispersivity.

MEDIA, longitudinal_­dispersivity

Use solute transport checked in PHAST Chemistry Options dialog box

Horizontal_Transverse_­Dispersivity

Specifies the horizontal transverse dispersivity.

MEDIA, horizontal_­dispersivity

Use solute transport checked in PHAST Chemistry Options dialog box

Vertical_Transverse_­Dispersivity

Specifies the vertical transverse dispersivity.

MEDIA, vertical_dispersivity

Use solute transport checked in PHAST Chemistry Options dialog box

Initial_Head

Specifies the initial head.

HEAD_IC, head

Neither Use free surface nor Use water table for initial condition checked in PHAST Free Surface dialog box

Initial_Water_Table

Specifies the initial water table.

HEAD_IC, water_table

Use free surface and Use water table for initial condition checked in PHAST Free Surface dialog box

Chemistry_Initial_­Solution

Specifies the initial solution.

CHEMISTRY_IC, solution

Use solute transport in PHAST Chemistry Options dialog box

Chemistry_Initial_­Equilibrium_­Phases

Specifies the initial equilibrium phases.

CHEMISTRY_IC, equilibrium_phases

Use solute transport and Use equilibrium phases checked in PHAST Chemistry Options dialog box

Chemistry_Initial_Surface

Specifies the initial surface properties.

CHEMISTRY_IC, surface

Use solute transport and Use surface assemblages checked in PHAST Chemistry Options dialog box

Chemistry_Initial_­Exchange

Specifies the initial exchange properties.

CHEMISTRY_IC, exchange

Use solute transport and Use exchange checked in PHAST Chemistry Options dialog box

Chemistry_Initial_Gas_­Phase

Specifies the initial gas phase properties.

CHEMISTRY_IC, gas_phase

Use solute transport and Use gas phases checked in PHAST Chemistry Options dialog box

Chemistry_Initial_Solid_­Solutions

Specifies the initial solid-solution properties.

CHEMISTRY_IC, solid_solution

Use solute transport and Use solid solution checked in PHAST Chemistry Options dialog box

Chemistry_Initial_­Kinetics

Specifies the initial kinetic properties.

CHEMISTRY_IC, kinetics

Use solute transport and Use kinetics checked in PHAST Chemistry Options dialog box

Print_Chemistry

Specifies the "Print Chemistry" distribution.

PRINT_LOCATIONS, chemistry

Use solute transport checked in PHAST Chemistry Options dialog box

Print_XYZ_Chemistry

Specifies the "Print XYZ Chemistry" distribution.

PRINT_LOCATIONS, xyz_chemistry

Use solute transport checked in PHAST Chemistry Options dialog box