Fig. 7. Dispersivity, 
, as a function of volumetric water content, 
, for saturated and unsaturated flow conditions. Data from Padilla et al. (1999) for an unsaturated sand with an average particle size of 0.25 mm are also plotted.
Fig. 7. Dispersivity, , as a function of volumetric water content, , for saturated and unsaturated flow conditions. Data from Padilla et al. (1999) for an unsaturated sand with an average particle size of 0.25 mm are also plotted.