Chapter 6: Groundwater Transport

What is the equation for n (porosity)

n=V_i/V

What is the equation for n_e (effective porosity)

n_e=V_MW/V

What is the equation for θ (moisture content)

θ=V_w/V

What is the equation for ρ_B (Bulk soil density)

ρ_B=m_s/V

What is the equation for u_c (mean linear contaminant velocity)

u_c=u/R

what does u represent

mean linear velocity

What does f_s represent

Fraction Sorbed (fraction of contaminant associated with the solid phase)

What does R represent

Retardation factor

What does C_w represent?

Aqueous phase concentration

Which of these equations is for instantaneous release

6.20

Which of these equations is for semi-infinite step release

6.21

What does α_L represent?

Longitudinal Dispersivity

What does u_v represent

mean linear velocity through the vadose zone

what two types of dispersion are dominant when it comes to groundwater?

Mechanical dispersion and molecular diffusion

at the pore scale, what three factors primarily affects flow

Pore size, path length, and friction in the pores