When these features are excluded from the variogram computation, 
2 
g 2 
mean — 2^ _ D. 
k 9-357 0.24 ;.8 « 0.9 
  
and L results to approximately 1.1 x 1 unit or 110 meters. So, a 
sample spacing of 110 meters is sufficient if the elevation model 
takes special account for break lines or discontinuities. 
If a specific sample Spacing of 100 meters is required and discon- 
tinuities are included in the variogram computation we obtain for 
L1, 851.4 and k s 58 n° 
2 
mean _ E 
TIU 0.08 or Swan TE 2.15 m 
  
  
  
  
  
  
Figure 2 Variograms for data in table 2, including (B=1.4)and exclu- 
ding discontinuities (8=0.8) k,=58m2 and ks 17m. 
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