Breach measurement distance m (Water Overlay): Difference between revisions

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{{Overlay keys|<onlyinclude>
[[File:Wateroverlay_wizard_breach_measurement_distance_m.png|thumb|right|Breach measurement distance m width can be configured in ''Breach Growth'' step of a [[Flooding Overlay]] wizard.]]
{{Overlay keys|type=row|group=Water Overlay
{{Overlay attributes|<onlyinclude>
|key=BREACH_MEASUREMENT_DISTANCE_M
{{Overlay attributes|type=row|overlay=Water  
|attribute=BREACH_MEASUREMENT_DISTANCE_M
|unit=m
|unit=m
|description=Distance behind the breach area for placing a more stable water level measurement.
|description=Distance from the breach area to the automatically placed measurement point for the downstream water level of the breach, in the direction of the breach.
|defaultvalue=100
|defaultvalue=100
|range=
|icon=waterwizard_icon_breach_measurement_distance_m.png
|icon=waterwizard_icon_breach_measurement_distance_m.png
}}</onlyinclude>}}
}}</onlyinclude>}}
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{{article end
{{article end
|notes=
|notes=
* Distance behind the [[Breach (Water Overlay)|breach]] for placing a more stable water level measurement, used in the [[Breach_growth_formula_(Water_Overlay)|Verheij–van der Knaap growth formula]].
* This distance is only taken into account when not using a manual defined [[Breach level area (Water Overlay)|Breach level area]].
* In order to place the measurement the breach area must have a [[Breach_angle_(Water_Overlay)|BREACH_ANGLE]].
* In order to place the measurement the breach area must also have a [[Breach_angle_(Water_Overlay)|BREACH_ANGLE]]. Together they determine the location at which the point of measurement is placed.
* Only when the area behind the breach is lower then the breach level itself the measurement point can be placed. This prevents invalid measurements behind e.g. buildings.
* The downstream water level of the breach is used in the [[Breach_growth_formula_(Water_Overlay)|Verheij–van der Knaap growth formula]].
* Only when the area behind the breach is lower then the breach level itself the measurement point can be placed. This prevents invalid measurement points, for example when it is placed on top of a [[building]].
|seealso=
|seealso=
* [[Breach flow formula (Water Overlay)]]
* [[Breach flow formula (Water Overlay)]]
* [[Breach model (Water Overlay)]]
* [[Weir formula (Water Overlay)]]
* [[Weir formula (Water Overlay)]]
|howtos=
|howtos=

Latest revision as of 14:42, 29 January 2024

Breach measurement distance m width can be configured in Breach Growth step of a Flooding Overlay wizard.
Icon Attribute Unit Range Description Default value
Waterwizard icon breach measurement distance m.png BREACH_MEASUREMENT_DISTANCE_M m Distance from the breach area to the automatically placed measurement point for the downstream water level of the breach, in the direction of the breach. 100

Notes

  • This distance is only taken into account when not using a manual defined Breach level area.
  • In order to place the measurement the breach area must also have a BREACH_ANGLE. Together they determine the location at which the point of measurement is placed.
  • The downstream water level of the breach is used in the Verheij–van der Knaap growth formula.
  • Only when the area behind the breach is lower then the breach level itself the measurement point can be placed. This prevents invalid measurement points, for example when it is placed on top of a building.

See also

Water Module
Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
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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