High ground water prequel (Subsidence Overlay): Difference between revisions
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{{Overlay prequels|overlay=Subsidence|allowselflinks=true| | {{Overlay prequels|overlay=Subsidence|allowselflinks=true| | ||
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The initial high groundwater level in the [[Subsidence Module]] at the start of the simulation can be initialized using a prequel [[Grid Overlay]]. | The initial high groundwater level in the [[Subsidence Module]] at the start of the simulation can be initialized using a prequel [[Grid Overlay]]. | ||
In the Subsidence Overlay Wizard it is possible to select one of the Default datasets provided, to import and create a [[GeoTIFF Overlay]] or to do nothing and proceed with the next step. | In the Subsidence Overlay Wizard it is possible to select one of the Default datasets provided, to import and create a [[GeoTIFF Overlay]] or to do nothing and proceed with the next step. | ||
Latest revision as of 08:04, 9 October 2025
This functionality is deprecated and will be removed in the future.
| Name | Prequel | Underlying data | Unit | Range | No data | Description |
|---|---|---|---|---|---|---|
| High ground water | HIGH_GROUND_WATER_LEVEL | Subsidence Prequel | m | The depth of the ground water level, relative to the surface |
The initial high groundwater level in the Subsidence Module at the start of the simulation can be initialized using a prequel Grid Overlay. In the Subsidence Overlay Wizard it is possible to select one of the Default datasets provided, to import and create a GeoTIFF Overlay or to do nothing and proceed with the next step.
Default data
For the Netherlands, a number of groundwater GeoTIFFs are provided by default, based on data provided by The Netherlands Hydrological Instrumentarium:
- NL_GHG_kk-nhi (Average highest watertable)
- NL_GLG_kk-nhi (Average lowest watertable)
- NL_GVG_kk-nhi (Average spring watertable)
These GeoTIFFs can be linked to the Subsidence Overlay using a GeoTIFF Overlay and referencing it with this prequel.
Notes
- Specified as m below terrain height
- When no prequel is specified, the water levels of groundwater level areas are used to initialize groundwater levels.
See also
