Horizontal saturated conductivity1 and specific yield2 of geologic materials. Sources:Duffield; Morris and Johnson
Link to this table
| Material | Range Ksat (m/s)3 | Typical Ksat (m/s) | Range specific yield | Typical specific yield |
|---|---|---|---|---|
| Gravel | 3×10-4 to 3×10-2 | 3×10-3 | 0.21-0.28 | 0.24 |
| Coarse sand | 9×10-7 to 6×10-3 | 5×10-5 | 0.26-0.30 | 0.26 |
| Medium sand | 9×10-7 to 5×10-4 | 1×10-5 | 0.26-0.30 | 0.26 |
| Fine sand | 2×10-7 to 2×10-4 | 5×10-6 | 0.20-0.30 | 0.21 |
| Silt, loess | 1×10-9 to 2×10-5 | 1×10-7 | 0.15 | |
| Till | 1×10-12 to 2×10-6 | 1×10-9 | 0.06-0.16 | 0.10 |
| Clay | 1×10-11 to 4.7×10-9 | 1×10-10 | 0.06-0.10 | 0.08 |
| Limestone with solution openings | 0.1 to 10-5 | 0.01 | ||
| Limestone | 10-5 to 10-9 | 10-7 | 0.005 to 0.05 | 0.01 |
| Sandstone | 10-5 to 10-9 | 10-6 | 0.05 to 0.15 | 0.10 |
| Shale | 10-8 to 10-12 | 10-9 | 0.005 to 0.05 | 0.01 |
1vertical saturated conductivity is considered to be one-tenth the value of horizontal saturated conductivity.
2Specific yield is expressed here as a fraction. It is often reported as a percentage in the literature.
31 meter = 3.28 feet
This page was last edited on 2 August 2022, at 21:14.