Vertical Layers

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4.3.49. Vertical Layers#

Vertical structure of surface layers.

Parameters:

nlayer#

Number of vertical layers in the urban canopy

Unit:

dimensionless

Default:

3

height#

Heights of layer boundaries, length must be nlayer+1

Unit:

m

Default:

[0.0, 10.0, 20.0, 30.0]

veg_frac#

Fraction of vegetation in each layer, length must be nlayer

Unit:

dimensionless

Default:

[0.0, 0.0, 0.0]

veg_scale#

Scaling factor for vegetation in each layer, length must be nlayer

Unit:

dimensionless

Default:

[1.0, 1.0, 1.0]

building_frac#

Fraction of buildings in each layer, must sum to 1.0, length must be nlayer

Unit:

dimensionless

Default:

[0.4, 0.3, 0.3]

building_scale#

Scaling factor for buildings in each layer, length must be nlayer

Unit:

dimensionless

Default:

[1.0, 1.0, 1.0]

roofs#

Properties for roof surfaces in each layer, length must be nlayer

Each item in the roofs list must conform to the Roof Layer structure.

walls#

Properties for wall surfaces in each layer, length must be nlayer

Each item in the walls list must conform to the Wall Layer structure.

ref#

The ref parameter group is defined by the Reference Info structure.