Table 6. Parameters of the semivariogram models estimated for soil organic carbon (SOC) concentrations at different soil depths.
Soil depth | Model | Nugget C0 | Still (C0+C) | C0/(C0+C) | Range (m) | R 2 |
0–10 cm | exponential | 0.0019 | 0.1048 | 0.018 | 1347 | 0.884 |
10–20 cm | exponential | 0.0069 | 0.1288 | 0.054 | 1251 | 0.770 |
20–30 cm | exponential | 0.0047 | 0.1324 | 0.035 | 1047 | 0.681 |
30–40 cm | exponential | 0.0069 | 0.1458 | 0.047 | 1254 | 0.724 |
R2, coefficient of determination.