Research Article
Groundwater—Surface Water Interactions in a Mountain-to-Coast Watershed: Effects of Climate Change and Human Stressors
Table 3
Saturated zone initial hydraulic properties.
| HSU1 | Material | Unit type | Horizontal extent (km2) | Initial (m/s) | Initial (m/s) | Specific yield | Specific storage (m−1) |
| 178 | Sand and gravel | Surficial confined | 19.0 | 6.37E-04 | 6.37E-05 | 0.2 | 9.33E-05 | 179 | Gravel and sand | Surficial unconfined | 7.6 | 1.00E-03 | 1.00E-04 | 0.2 | 2.00E-01 | 180 | Sand and gravel | Surficial confined | 8.4 | 7.06E-06 | 7.06E-07 | 0.2 | 1.00E-04 | 182 | Shale | Bedrock | 31.6 | 1.97E-06 | 1.97E-07 | 0.2 | 1.40E-03 | 183 | Sand and gravel | Surficial confined | 6.3 | 1.00E-03 | 1.00E-04 | 0.2 | 5.00E-04 | 185 | Sand and gravel | Surficial confined | 14.9 | 1.00E-03 | 1.00E-04 | 0.2 | 5.00E-04 | 186 | Sand and gravel | Surficial unconfined | 17.0 | 2.27E-02 | 2.27E-03 | 0.2 | 7.10E-04 | 189 | Gravel and sand | Surficial unconfined | 10.5 | 8.68E-04 | 8.68E-05 | 0.2 | 4.46E-03 | 190 | Sand and gravel | Surficial unconfined | 1.9 | 1.39E-04 | 1.39E-05 | 0.2 | 3.89E-04 | 191 | Sand and gravel | Surficial unconfined | 3.2 | 1.00E-03 | 1.00E-04 | 0.2 | 2.00E-01 | Alluvial | Alluvium | Unmapped aquifer | 287.0 | 1.00E-05 | 1.00E-06 | 0.3 | 1.00E-04 | Bedrock | Bedrock | Base unit | 980.0 | 1.00E-07 | 1.00E-08 | 0.05 | 1.00E-06 | Aquitard | Clay Till | Confining unit | 46.2 | 3.17E-10 | 3.17E-11 | 0.02 | 1.00E-03 |
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HGUs numbered using the BC Aquifer Classification System numbering. Values in bold represent the geometric mean from pumping test data [44].
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