Table 2.3 Characteristics of two-phase flow models and vadose zone models (Sleep 2003)
Numerical
models
Description
Selected references
CHAIN_2D
2D unsaturated flow and multispecies transport model,
and sequential decay
Simunek and van
Genuchten (1994)
HBGC123D +
FEMWATER
3D variably saturated flow multispecies transport
model; includes heat transport, bio-, and geochemical
reactions, and dual porosity model
Yeh et al. (1998)
3DMURF +
3DMURT
3D unsaturated flow and single chemical species
transport model; dual porosity model
Gwo et al. (1995)
R-UNSAT
1D vertical or 2D radial unsaturated flow multispecies
dissolved transport model with vapor diffusion; with
schematic of the NAPL source, and sequential decay
Lahvis and Baehr
(1997)
SUTRA
Modello
2D variably saturated single chemical species transport
model
Voss (1984)
VLEACH
1D unsaturated flow, single chemical species transport
model, with vapor diffusion
Turin (1990)
VS2DI
2D variably saturated flow, single chemical species
transport or heat transport model
Lappala et al.
(1987)
Fig. 2.10 Schematic representation of LNAPL free product recovery with groundwater extraction
and skimming (downwelling) [adapted from Colombano et al. (2010)]
80
S. Colombano et al.