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Fig. 4. Comparison of the pressure head (first column), water content (second column), logarithm of the local flow velocity and streamlines (third column) under steady state with jw0 = 2.19 x 10–7 (Exp. 2) for the three cases: Case I, only macrostructure (first row); Case II, macrostructure plus sand hydraulic parameter variability (second column); and Case III, macrostructure plus sand hydraulic variability and anisotropy for hydraulic conductivity (third row). Streamlines (in blue) were computed from linear interpolations of the velocity field.
