Swales: TTT
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| Name | User-assigned swale name |
| Upstream Node | Name of node on the inlet end of the swale (which is normally the end at higher elevation) |
| Downstream Node | Name of node on the outlet end of the swale (which is normally the end at lower elevation) |
| Length (m) | Length of the swale |
| Manning's Roughness | Manning's roughness coefficient |
| Upstream Invert Offset (m) | Depth of swale invert above node invert at inlet end of the swale |
| Downstream Invert Offset (m) | Depth or elevation of the swale invert above the node invert at the outlet end of the swale |
| Depth (m) | Depth of the swale |
| Bottom Width (m) | Bottom width of the trapezoidal swale (i.e., open channel) For a triangular channel, enter 0 |
| Left Side Slope (m/m) | Left side slope (run/rise) |
| Right Side Slope (m/m) | Right side slope (run/rise) |
| Seepage (mm/hour) | Rate of seepage loss into the surrounding soil |