Clay thickness (Subsidence Overlay)

This functionality is deprecated and will be removed in the future.

Icon	Key	Unit	Range	Description	Default value
	CLAY_THICKNESS	m		The thickness of the clay layer on the peat, for the calculation of the oxidation component of subsidence.	0.2

Notes

When absent, the attribute DEFAULT_CLAY_THICKNESS of the overlay is used. Both are measured in meters.
This value is overruled when a Clay thickness prequel is provided.