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7.9 Geostatistics (by R. Gebbers) 175
Spatiotemporal Process Global Trend Component
3.0 3.0
1.5 1.5
0.0 0.0
-1.5 -1.5
-3.0 -3.0
0 100 200 300 400 500 600 0 100 200 300 400 500 600
x x
a b
Local Trend Component Random Component
3.0 3.0
1.5 1.5
0.0 0.0
-1.5 -1.5
-3.0 -3.0
0 100 200 300 400 500 600 0 100 200 300 400 500 600
x x
c d
Autocorrelation Component Variogram
3.0
1.0
1.5 0.8
0.6
0.0
0.4
-1.5
0.2
-3.0 0.0
0 100 200 300 400 500 600 0 10 20 30 40 50 60
x Lag Distance
e f
Fig. 7.10 Components of a spatiotemporal process and the variogram. The variogram (f)
should only be derived from the autocorrelated component.
