Research Article
Using Multivariate Geostatistics to Assess Patterns of Spatial Dependence of Apparent Soil Electrical Conductivity and Selected Soil Properties
Table 5
Fitted semivariogram parameters and respective models of the continuously recorded ECa data sets and the soil properties analyzed.
| | Date | Variable | Geostatistical method | Model | | | | SD |
| | 14/03/2009 | residual | UK | Spherical | 0.0001 | 3.14 | 105.00 | 0.00 | | residual | UK | Spherical | 0.14 | 0.302 | 44.00 | 31.67 |
| | 03/04/2008 | residual | UK | Spherical | 0.00 | 5.10 | 145.00 | 0.00 | | residual | UK | Spherical | 0.10 | 0.32 | 40.00 | 23.80 |
| | 23/06/2008 | residual | UK | Spherical | 0.001 | 0.01 | 130.00 | 9.09 | | residual | UK | Spherical | 0.001 | 0.005 | 130.00 | 1.96 | | ECe residual | UK | Spherical | 0.00025 | 0.0018 | 100.00 | 9.09 | | Clay | OK | Spherical | 0.001 | 1060.00 | 130.00 | 0.00 | | Silt | OK | Spherical | 0.00 | 1400.00 | 130.00 | 0.00 | | Sand | OK | Spherical | 0.00 | 510.00 | 70.00 | 0.00 | | OK | Spherical | 0.001 | 60.00 | 130.00 | 0.00 |
|
|
UK: universal kriging; OK: ordinary kriging; : nugget effect; : structural variance; : range (m); and SD: spatial dependence (%).
|
