Unsaturated fraction (Water Overlay)

Icon	Attribute	Unit	Range	Description	Default value
	UNSATURATED_FRACTION	length		The initial fraction of the maximum storage capacity of the unsaturated zone which is filled with water.	n/a

Notes

• The maximum storage capacity of underground terrains can be configured with the Water storage percentage attribute.
• Note that this fraction is relative to the maximum water storage capacity of the terrain and not relative to the underground terrain volume.

How-to's

• How to add and remove an Attribute

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Water Module

Water Module

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Model attributes

Allowed water increase m • Avg shore width m • Avg terrain width m • Avg terrain storage m • Breach measurement distance m • Bridge elevation • Culvert dem threshold m • Design flood elevation m • Extended reconstruction • Ground bottom distance m • Ground bottom pressure m • Ground water • Ground water depth m • Ground watertable with surface • Impact flood threshold m • Impact range m • Increased resolution • Infiltration factor s

Limit area • Limit rain • Max infiltration m • Max water bottom m • Microrelief storage fraction • Min max elevation • Object entry correction • Prequel surface level relative • Rise rate distance m • Sewer overflow threshold • Shoreline • Show duration flood level m • Stabilizer angle • Start date ms • Surface water • Surface water evaporation factor • Timeframe times • Timeframes • Unsaturated fraction • Weir dam multiplier • Weir move interval s • Weir move range m • Weir move step m

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Building attributes • Hydrological features • Hydraulic structures •  Terrain attributes • Results • Simulation data