Culvert flow direction (Watershed Overlay)
|Whether discharge areas can be propagated/expanded through culverts when water flows through and the other side is not yet assigned a discharge area.
Use culvert flow direction to limit the way discharge areas are propagated. When active and water cell A flow to cell B through a culvert, the discharge area of B is propagated to cell A when it is not yet assigned to a prioritized discharge area.
- This option is only effective when specific discharge areas are used as input.