Fig. 3. Comparisons between moment equation–based approach (ME) and Monte Carlo simulations (MC) for the log unsaturated hydraulic conductivity Y in Case 2. (a) Mean 
Y
; and (b) variance 
2Y.
Fig. 3. Comparisons between moment equation–based approach (ME) and Monte Carlo simulations (MC) for the log unsaturated hydraulic conductivity Y in Case 2. (a) Mean Y; and (b) variance 2Y.