Culvert threshold (Water Overlay)
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Icon | Key | Unit | Description | Default value |
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CULVERT_THRESHOLD | m + datum | The height of the inner side of the culvert's underside (or the threshold height at which water starts flowing through the culvert). When set to a level below the terrain height at either end-point, the culvert's threshold will automatically attain a value equal to that of the highest terrain found at either of its endpoints. | 0 |