Ground water (Water Overlay): Difference between revisions

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||None: No [[infiltration model (Water Overlay)|infiltration]], no [[Ground flow formula (Water Overlay)|groundwater flow]], no [[evaporation model (Water Overlay)|ground evaporation]].
||None: No [[infiltration model (Water Overlay)|infiltration]], no [[Ground flow formula (Water Overlay)|groundwater flow]], no [[evaporation model (Water Overlay)|ground evaporation]].
||Complete: Full [[Ground model (Water Overlay)|groundwater simulation]], including [[infiltration model (Water Overlay)|infiltration]], flow, and [[evaporation model (Water Overlay)|evaporation]]
||Complete: Full [[Ground model (Water Overlay)|groundwater simulation]], including [[infiltration model (Water Overlay)|infiltration]], flow, and [[evaporation model (Water Overlay)|evaporation]]
||Infiltration only: Water can [[infiltration model (Water Overlay)|Infiltrate]] into the unsaturated zone only, but no further ground flow or [[evaporation model (Water Overlay)|ground evaporation]] is simulated. The unsaturated zone is simulated to have infinite capacity.
||Infiltration only: Water can [[Surface infiltration formula (Water Overlay)|Infiltrate into the unsaturated zone]] only, but no further [[Ground flow formula (Water Overlay)|ground flow]] or [[evaporation model (Water Overlay)|ground evaporation]] is simulated. The unsaturated zone is simulated to have infinite capacity.
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Revision as of 14:28, 5 March 2024

The ground water mode can be configured in the Rain event step of a Water Overlay wizard.
Icon Attribute Unit Range Description Default value
GROUND_WATER nominal value Whether and how water in the ground is simulated during the calculation. Infiltration Only

0. None: No infiltration, no groundwater flow, no ground evaporation.
1. Complete: Full groundwater simulation, including infiltration, flow, and evaporation
2. Infiltration only: Water can Infiltrate into the unsaturated zone only, but no further ground flow or ground evaporation is simulated. The unsaturated zone is simulated to have infinite capacity.

Notes

  • Groundwater Overlays have the ground model active by default. The other Water Overlay variants have the ground model set to infiltration only. This is a recommended setting, trading in an imperceptible amount of accuracy for a more performant calculation setup.
  • This setting does not affect water flowing in- and out of the sewer.

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 button.png
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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