Table 1 Statistical summary of sampled data.
Elements | Mean | S.D.* | Coef. Var.$ | Minimum value | Maximum value | WAV# | EAV@ |
|---|---|---|---|---|---|---|---|
mg/kg | |||||||
Al | 13,251.08 | 3485.04 | 26.3 | 6284.59 | 27,709.33 | – | – |
Ba | 79.46 | 40.83 | 51.38 | 29.8 | 265.66 | 460 | 400 |
Fe | 20,054.95 | 9942.49 | 49.58 | 8650.32 | 79,901.24 | – | – |
Sb | 2.61 | 1.08 | 41.33 | 2.26 | 9.72 | 0.67 | 1.04 |
V | 31.37 | 9.35 | 29.81 | 15.61 | 81.86 | 129 | 68 |
Cd | 1.84 | 1.01 | 55.14 | 0.61 | 7.28 | 0.14 | 0.28 |
Pb | 33.86 | 18.51 | 54.68 | 9.56 | 155.69 | 27 | 32 |
Environmental covariates | |||||||
Elevation | 378.36 | 93.55 | 24.72 | 240.33 | 902.11 | – | – |
Total Catchment Area | 335,276.61 | 1,512,375.8 | 451.08 | 984.56 | 12,617,766.68 | – | – |
LS-Factor | 1.29 | 1.66 | 129.06 | 0.01 | 13.08 | – | – |
Valley Depth | 220.12 | 57.74 | 26.23 | 25.73 | 351.13 | – | – |