− | Hydrodynamics describes lateral fluid movement through aquifers that have generally low dip. The fluids can have a vertical component to their movement but, on a basinwide scale, the lateral flow component is of major concern. | + | Hydrodynamics describes lateral fluid movement through [http://water.usgs.gov/edu/earthgwaquifer.html aquifers that] have generally low [[dip]]. The fluids can have a vertical component to their movement but, on a basinwide scale, the lateral flow component is of major concern. |