Bottom resistance prequel (Water Overlay): Difference between revisions
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|notes=* The unit is: the number of days it would take to equalize 1 meter of the local groundwater table level with the higher region's water head. (days) | |notes=* The unit is: the number of days it would take to equalize 1 meter of the local groundwater table level with the higher region's water head. (days) | ||
* The values in this prequel grid are clamped between 0 and 1000000. | * The values in this prequel grid are clamped between 0 and 1000000. NoData values are therefore not allowed, but could be clamped to zero when negative leading to the same result. | ||
* This prequel can also have multiple input frames. In this case the values will be updated | * This prequel can also have multiple input frames. In this case the values will be updated linearly throughout the simulation period. For example 5 input frames over a 10 day simulation period result in a new value every two days. | ||
* Note: Input frames are not linked to the overlay's output [[Timeframes_(Water_Overlay)|timeframes]]. | * Note: Input frames are not linked to the overlay's output [[Timeframes_(Water_Overlay)|timeframes]]. | ||
|seealso=* [[Ground bottom flow formula (Water Overlay)]] | |seealso=* [[Ground bottom flow formula (Water Overlay)]] | ||
Revision as of 14:58, 2 July 2026
| Name | Prequel | Underlying data | Unit | Range | No data | Description |
|---|---|---|---|---|---|---|
| Bottom Resistance | BOTTOM_RESISTANCE | Water Prequel | days | 0 to 1000000 | Clamped to range | A grid of values containing the resistance of the lower layer against the bottom boundary flow. |
Notes
- The unit is: the number of days it would take to equalize 1 meter of the local groundwater table level with the higher region's water head. (days)
- The values in this prequel grid are clamped between 0 and 1000000. NoData values are therefore not allowed, but could be clamped to zero when negative leading to the same result.
- This prequel can also have multiple input frames. In this case the values will be updated linearly throughout the simulation period. For example 5 input frames over a 10 day simulation period result in a new value every two days.
- Note: Input frames are not linked to the overlay's output timeframes.
See also
- Group
- Weather
- Bottom distance • Bottom pressure • Bottom resistance • Ground conductivity • Groundwater datum • Groundwater depth • Manning • Max infiltration • Microrelief • Sewer level • Surface level • Surface u • Surface v • Terrain elevation • Unsaturated fraction
- Elevation
- Elevation model
- Related