Research Article
Groundwater—Surface Water Interactions in a Mountain-to-Coast Watershed: Effects of Climate Change and Human Stressors
Table 2
van Genuchten parameters for unsaturated zone materials.
| Model classification (drainage ability) | Residual saturation () | Saturated moisture content () | (cm−1) | | (cm/d) | Bulk1 density (kg/m3) | Texture class |
| (1) V. poor | 0.1 | 0.38 | 0.027 | 1.23 | 2.88 | 1280 | Sandy clay | (2) Poor to v. poor | 0.095 | 0.41 | 0.019 | 1.31 | 6.24 | 1280 | Clay loam | (3) Imperfect | 0.034 | 0.46 | 0.016 | 1.37 | 6 | 1280 | Silt | (4) Mod. well to imperfect | 0.067 | 0.45 | 0.02 | 1.41 | 10.8 | 1280 | Silt loam | (5) Mod. well | 0.078 | 0.43 | 0.036 | 1.56 | 24.96 | 1360 | Loam | (6) Well to mod. well | 0.1 | 0.39 | 0.059 | 1.48 | 31.44 | 1280 | Sandy clay loam | (7) Well | 0.065 | 0.41 | 0.075 | 1.89 | 106.08 | 1440 | Sandy loam | (8) Rapid to well | 0.045 | 0.43 | 0.145 | 2.68 | 712.8 | 1520 | Sand | (9) Rapid | 0.045 | 0.43 | 0.145 | 2.68 | 712.8 | 1520 | Sand | Alluvial2 | 0.034 | 0.46 | 0.016 | 1.37 | 6 | 1280 | — | Bedrock2 | 0.068 | 0.38 | 0.008 | 1.09 | 4.8 | 2400 | — |
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Bulk density from Linsley et al. [43], 2initial estimates.
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