Subsidence area (Subsidence Overlay): Difference between revisions

Latest revision as of 14:02, 16 March 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.

Key	Unit	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

Clay thickness defined in a Subsidence area is ignored when a clay thickness GeoTIFF is used.

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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]].