Table 3 Hydraulic conductivity and specific yield.
From: Groundwater contamination modelling in Ayad River Basin, Udaipur
Component | Parameters | Unit | Prior range | Initial value | Range of model evaluations | Calibrated value |
|---|---|---|---|---|---|---|
Geological layer-1 (sand/clay/silt/gravel) 0–6 m | Kxx | m/s | 1 × 10−9–1 × 10−2 | 1 × 10−4 | 2.4 × 10−6–5.1 × 10−3 | 4.2 × 10−5 |
Kvy | m/s | 1 × 10−9–1 × 10−2 | 1 × 10−7 | 1.0 × 10−5–9.9 × 10−3 | 6.1 × 10−4 | |
Sy | – | 0.00–0.35 | 0.15 | 0.01–0.33 | 0.26 | |
Ss | 1/m | 1 × 10−9–1 × 10−2 | 9.94 × 10−5 | 5.6 × 10−5–7 × 10−4 | 8.6 × 10−5 | |
Geological layer-2 (weather and fractured: dolomitic limestone-sandstone/granite-phyllite) 6–30 m | Kxx | m/s | 1 × 10−9–1 × 10−2 | 1 × 10−4 | 9.9 × 10−5–1.5 × 10−8 | 9.3 × 10−6 |
Kvy | m/s | 1 × 10−9–1 × 10−2 | 1 × 10−7 | 1.7 × 10−8–9.9 × 10−6 | 4.9 × 10−7 | |
Sy | – | 0.00–0.35 | 0.1 | 0.0–0.32 | 0.16 | |
Ss | 1/m | 1 × 10−9–1 × 10−2 | 6.89 × 10−4 | 7.0 × 10−5–5.3 × 10−4 | 2.2 × 10−4 | |
Geological layer-3 (compact: phyllite, granite, schist, gneiss) 30–100 m | Kxx | m/s | 1 × 10−9–1 × 10−2 | 1 × 10−4 | 1.2 × 10−8–3.3 × 10−3 | 6.1 × 10−6 |
Kvy | m/s | 1 × 10−9–1 × 10−2 | 1 × 10−7 | 1.1 × 10−8–9.4 × 10−4 | 3.6 × 10−7 | |
Sy | – | 0.00–0.35 | 0.02 | 0.01–0.31 | 0.04 | |
Ss | 1/m | 1 × 10−9–1 × 10−2 | 3.68 × 10−6 | 5.9 × 10−7–4.9 × 10−6 | 4.1 × 10−6 | |
Where: | Kxx = Horizontal hydraulic conductivity in X, Kvy = Horizontal hydraulic conductivity in Y, Sy = Specific yield, Ss = Specific storage | |||||
