Subsidence area (Subsidence Overlay): Difference between revisions
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[[Subsidence area (Subsidence Overlay)|Subsidence areas]] are conceptual areas which allow users to override subsidence related attributes of the [[Terrain (Subsidence Overlay)|underlying terrain]]. | [[Subsidence area (Subsidence Overlay)|Subsidence areas]] are conceptual areas which allow users to override subsidence related attributes of the [[Terrain (Subsidence Overlay)|underlying terrain]]. | ||
{{Overlay keys | {{Overlay keys| | ||
{{:Subsidence (Subsidence Overlay)}} | {{:Subsidence (Subsidence Overlay)}} | ||
{{:Clay thickness (Subsidence Overlay)}} | {{:Clay thickness (Subsidence Overlay)}} | ||
Latest revision as of 12:12, 9 June 2026
This functionality is deprecated and will be removed in the future.
Subsidence areas are conceptual areas which allow users to override subsidence related attributes of the underlying terrain.
| Icon | Key | Unit | Range | Description | Default value |
|---|---|---|---|---|---|
 |
SUBSIDENCE | boolean | Whether or not subsidence should be calculated for a terrain or in a given area. Subsidence is calculated when the value is not equal to 0. | false | |
 |
CLAY_THICKNESS | m | The thickness of the clay layer on the peat, for the calculation of the oxidation component of subsidence. | 0.2 | |
 |
PEAT_FRACTION | The fraction of the soil composed of peat, for the calculation of the compaction component of subsidence. | 0.4 | ||
 |
TOPLAYER_THICKNESS | m | The thickness of the layer covering the peat, for the calculation of the compaction component of subsidence. | 1.2 |
Notes
- Clay thickness defined in a Subsidence area is ignored when a clay thickness GeoTIFF is used.
- Group
- Model
- Drainage
- Related