ETL 1110-1-175
30 Jun 97
Figure 5-1. Measured data for water-level examples--A, original data; B, original data without dropped sites;
C, original data with added sites (added sites indicated with +) (Sheet 1 of 3)
A Gaussian model was used to fit the stabilized
listed in Table 5-1. Cross-validation statistics
variogram of residuals (Figure 5-2a), which has a
conform to the criteria discussed in Chapter 4.
nugget of 0.093 m2, a sill of 2.69 m2 and a range
c. Linear drift is commonly observed in
of 1,219 m (Table 5-1).
groundwater elevation data where there are no
(5) Cross-validation was performed, and the
major anthropogenic activities, such as large
results are shown in Figures 5-2b and 5-2c, and
groundwater withdrawals. With these
5-2
Previous Page
