Subsidence area (Subsidence Overlay): Difference between revisions
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* Clay thickness defined in a Subsidence area is ignored when a [[ | * Clay thickness defined in a Subsidence area is ignored when a [[Clay_thickness_GeoTIFF_(Subsidence_Overlay)|clay thickness GeoTIFF]] is used. | ||
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{{SubsidenceOverlay feature attribute nav}} | {{SubsidenceOverlay feature attribute nav}} | ||
Latest revision as of 13:03, 17 January 2022
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