External water level (Water Overlay)
|EXTERNAL_WATER_LEVEL||m + datum||The water level of the external water body behind the breach. The initial level the water level is set to.||0|
- When a breach input area is defined, an external water body will not be created. Subsequently, the EXTERNAL_SURFACE_LEVEL, EXTERNAL_WATER_LEVEL and EXTERNAL_AREA attributes will be ignored.
- Breach growth formula (Water Overlay)
- Breach flow formula (Water Overlay)
- Weir formula (Water Overlay)