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4.3.40. Site Properties

Physical and geographical characteristics of the simulation site.

Defines the location, dimensions, surface characteristics, and environmental parameters for a specific urban site being modelled in SUEWS.

Parameters:

lat

Latitude of the site in degrees

Unit:

degrees

Example:

51.5

lng

Longitude of the site in degrees

Unit:

degrees

Example:

-0.13

alt

Altitude of the site above sea level

Unit:

m

Example:

40.0

timezone

Time zone offset from UTC

Unit:

h

Example:

0.0 (UTC)

surfacearea

Total surface area of the site

Unit:

m²

Example:

10000.0

z

Height at which forcing data are specified, should be within the inertial sublayer above the blending height where values are spatially representative of the urban neighbourhood

Unit:

m

Example:

10.0

z0m_in

Momentum roughness length

Unit:

m

Example:

1.0

zdm_in

Zero-plane displacement height

Unit:

m

Example:

5.0

pipecapacity

Maximum capacity of drainage pipes

Unit:

mm h^-1

Example:

100.0

runofftowater

Fraction of excess water going to water bodies

Unit:

dimensionless

Example:

0.0

narp_trans_site

Site-specific NARP transmission coefficient

Unit:

dimensionless

Example:

0.2

lumps

Parameters for Local-scale Urban Meteorological Parameterization Scheme

The lumps parameter group is defined by the LUMPS Parameters structure.

spartacus

Parameters for Solar Parametrizations for Radiative Transfer through Urban Canopy Scheme

The spartacus parameter group is defined by the SPARTACUS structure.

stebbs

Parameters for the STEBBS building energy model

The stebbs parameter group is defined by the STEBBS structure.

building_archetype

Parameters for building archetypes

The building_archetype parameter group is defined by the Archetype Properties structure.

conductance

Parameters for surface conductance calculations

The conductance parameter group is defined by the Conductance structure.

irrigation

Parameters for irrigation modelling

The irrigation parameter group is defined by the Irrigation structure.

anthropogenic_emissions

Parameters for anthropogenic heat and water emissions

The anthropogenic_emissions parameter group is defined by the Anthropogenic Emissions structure.

snow

Parameters for snow modelling

The snow parameter group is defined by the Snow structure.

soil_observation

Soil moisture observation metadata (required if SMDMethod > 0)

The soil_observation parameter group is defined by the Soil Observation Configuration structure.

land_cover

Parameters for land cover characteristics

The land_cover parameter group is defined by the Land Cover structure.

vertical_layers

Parameters for vertical layer structure

The vertical_layers parameter group is defined by the Vertical Layers structure.

n_buildings

Number of buildings in the site

Unit:

dimensionless

Example:

1

h_std

Standard deviation of building heights in the site

Unit:

m

Example:

10.0

lambda_c

External building surface area to plan area ratio

Unit:

m² m^-2

Example:

0

ref

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