Toplayer thickness (Subsidence Overlay)

Icon	Key	Unit	Range	Description	Default value
	TOPLAYER_THICKNESS	m		The thickness of the layer covering the peat, for the calculation of the compaction component of subsidence.	1.2

Notes

• When absent, the attribute DEFAULT_TOP_LAYER_THICKNESS of the overlay is used. Both are measured in meters.

How-to's

• How to add and remove an Attribute

See also

• Compaction formula
• Default top layer thickness

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Subsidence Module

Subsidence Overlay

Tutorials

Overview

Theory

Benchmarks

Group

Subsidence features

Model

Overview • Calculation • Theory

Water area

Water level • Water level output • Indexation

Ground water level

Hi ground water level • Low ground water level

Subsidence area

Peat fraction • Clay thickness • Toplayer thickness • Subsidence

Terrain

Peat fraction • Clay thickness • Toplayer thickness • Subsidence

Drainage

Drainage

Related

Model attributes • Rasters • Result type •  Subsidence Model