y(h) 0.15 MEAN VARIOGRAM N-S NE-SW NW-SE E-W 0.1 [7 0.05 MODEL FITTED BY BLUEPACK (EQUATION 10) L_ | APPARENT NUGGET EFFECT O.01 Wi" LIKELY ACTUAL BEHAVIOR OF VARLOGRAM NEAR ORIGIN “TRUENUGGET EFFECT (ae 0 ! 1 ! 1 100 200 300 400 FEET ¢{h) Figure 6. Raw and Fitted Variograms of Log, FIDLER Data Collected on 100 Foot Grid. 380