Experiment and Numerical Simulation of Seawater Intrusion under the Influences of Tidal Fluctuation and Groundwater Exploitation in Coastal Multilayered Aquifers

Table 1

Model parameters and their values used in the numerical simulations.

Parameter	Definition	Unit	Value
	Hydraulic conductivity	m/d	4.3 (fine sand layer); 0.03 (clay layer); 38.0 (coarse sand layer)
	Specific yield	—	0.30
	Specific storage	1/m	10^-5
	Density of the freshwater	kg/m^3
	Density of the seawater	kg/m^3
	Longitudinal dispersivity	m	0.1
	Transverse dispersivity	m	0.005
	Molecular diffusion coefficient in porous media	m^2/s	10^-9
	Time period	min	1200
	Pumping rates	L/min	,