Numerical Study on the Effects of Regional Groundwater Flow on the Contaminant Migration through an Inactive Supply Well as a Preferential Flow Pathway

Table 1

The parameter values used in this numerical model.

Parameter name	Symbols	Values
Aquifer thickness (m)		5
Radius of well screen (m)		0.1
Density of groundwater(kg/m^3)		1000
Effective porosity of aquifer		0.3
Hydraulic conductivity of aquifer (m/d)		8
Constant heads of (m)		15.22, 15.44, 15.65
Constant head of (m)		15.0
Regional groundwater Darcy velocities (m/s)		, ,
Longitudinal dispersivity of aquifer (m)		0.1
Rate (inactive or pumping phase) (m^3/s)
Mass flux per unit area (kg/(m^2·s))		0.1843
Inactive period (day)		90,180
Pumping period (day)		90,180