Flow magnitude

• Darcy's law used to calculate amount of water flow through soil both in horizontal and vertical direction and through both aquifers and aquitards
• discharge equation: Q = k*D*B*[delta(H)/delta(x)]

  • Q (m3/day) = discharge
  • k (m/day) = conductivity
  • D (m) = thickness of aquifer
  • B (m) = width of aquifer
  • H (m) = hydraulic head
  • x (m) = distance piezometers
• 2D discharge equation: q = k*D*[delta(H)/delta(x)]

  • q (m2/day) = 2D discharge
  • k (m/day) = conductivity
  • D (m) = thickness of aquifer
  • H (m) = hydraulic head
  • x (m) = distance piezometers
• flux density equation: v = k*[delta(H)/delta(x)] OR v = k*[delta(H)/c]

  • v (m/d) = flux density
  • k (m/d) = conductivity
  • H (m) = hydraulic head
  • x (m) = distance piezometer
  • c (days) = resistance