Surface water (Water Overlay): Difference between revisions

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|description=Whether and how [[Surface model (Water Overlay)|water on the surface]] is simulated during the calculation.
|description=Whether and how [[Surface model (Water Overlay)|water on the surface]] is simulated during the calculation.
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There are a few modes available for the [[Water Module]] for surface water simulation:
* '''None'''. No surface water flow.
* '''Complete''' Saint-venant surface water simulation
* '''Grid Average''' Water is simulated by averaging water levels. Useful for groundwater simulations over a long period of time with low impulse water movement.


==Possible values==
==Possible values==

Revision as of 10:27, 8 February 2022

Icon Attribute Unit Range Description Default value
SURFACE_WATER nominal value Whether and how water on the surface is simulated during the calculation. n/a

Possible values

  • 0: None: Water on the surface can only infiltrate and evaporate, but it cannot move on the surface from one cell to another.
  • 1: Shallow: Shallow water equals both in waterways as on land. This option is selected by default.
  • 2: Avg Waterway: Water levels are averaged each time frame for each identified waterway. Water flows between waterways using hydraulic structures. Water does not flow between grid cells on land. On land it can only move vertically (infiltrate or evaporate) or interact with hydraulic structures or hydrological features.
  • 3: Hybrid
  • 4: Avg Terrain: Similar to Avg Waterway, with the exception that surrounding land is also included. The threshold attribute [[|]]

How-to's

See also

Water Module
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Water Module
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Tutorials
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Overview
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Theory
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Benchmarks
Group
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
Related
Building attributes • Hydrological features • Hydraulic structures •  Terrain attributes • Results • Simulation data
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