30 Jun 97
Figure 5-3. (Sheet 3 of 4)
polygonal rather than rectangular. Again, the tech-
(2) Initial cross-validation was performed, and
the nugget was changed from 0.650 m2 to 0.743 m2
niques described in Chapter 4 were used to guide
the following steps for variogram construction:
to improve cross-validation statistics. The final
variogram is shown in Figure 5-5a and character-
(1) A Gaussian model was used to fit the vari-
istics are listed in Table 5-1.
ogram which had a nugget of 0.650 m2, a sill of
8.36 m2, and a range of 732 m. The variogram
indicated a stationary spatial mean.