Breach measurement distance m (Water Overlay): Difference between revisions
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* 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. | * 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. | ||
* The downstream water level of the breach is used in the [[Breach_growth_formula_(Water_Overlay)|Verheij–van der Knaap growth formula]]. | * The downstream water level of the breach is used in the [[Breach_growth_formula_(Water_Overlay)|Verheij–van der Knaap growth formula]]. | ||
* The measurement point is only placed if the | * The measurement point is only placed if the calculated location is lower than the breach level, preventing invalid placement (e.g., on top of a [[building]]). | ||
|seealso= | |seealso= | ||
* [[Breach flow formula (Water Overlay)]] | * [[Breach flow formula (Water Overlay)]] | ||
Latest revision as of 09:23, 7 July 2026
| Icon | Attribute | Unit | Range | Description | Default value |
|---|---|---|---|---|---|
 |
BREACH_MEASUREMENT_DISTANCE_M | m | 0 to 10000 | Distance from the breach area to the automatic downstream water level measurement point, in the direction of the breach. | 100 |
Notes
- This distance is only taken into account when not using a manually 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.
- The measurement point is only placed if the calculated location is lower than the breach level, preventing invalid placement (e.g., on top of a building).
See also
- 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 • 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 • Duration min level m • Stabilizer angle • Start date ms • Surface water • Surface water evaporation factor • Timeframe times • Timeframes • Trim manning • Trim evapotranspiration • Trim root depth • Trim ground infiltration • Trim ground conductivity • Trim shoreline conductivity
- Related