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4.3.37. SPARTACUS#
SPARTACUS radiation model parameters.
Controls the SPARTACUS-Surface radiation scheme for detailed 3D radiation interactions in urban environments.
Parameters:
- air_ext_lw#
Air extinction coefficient for longwave radiation
- Unit:
m-1
- Default:
0.0
- air_ext_sw#
Air extinction coefficient for shortwave radiation
- Unit:
m-1
- Default:
0.0
- air_ssa_lw#
Air single scattering albedo for longwave radiation
- Unit:
dimensionless
- Default:
0.5
- air_ssa_sw#
Air single scattering albedo for shortwave radiation
- Unit:
dimensionless
- Default:
0.5
- ground_albedo_dir_mult_fact#
Multiplication factor for direct ground albedo
- Unit:
dimensionless
- Default:
1.0
- n_stream_lw_urban#
Number of streams for longwave radiation in urban areas
- Unit:
dimensionless
- Default:
2
- n_stream_sw_urban#
Number of streams for shortwave radiation in urban areas
- Unit:
dimensionless
- Default:
2
- n_vegetation_region_urban#
Number of vegetation regions in urban areas
- Unit:
dimensionless
- Default:
1
- sw_dn_direct_frac#
Fraction of downward shortwave radiation that is direct
- Unit:
dimensionless
- Default:
0.5
- use_sw_direct_albedo#
Flag to use direct albedo for shortwave radiation
- Unit:
dimensionless
- Default:
1.0
- veg_contact_fraction_const#
Constant vegetation contact fraction
- Unit:
dimensionless
- Default:
0.5
- veg_fsd_const#
Constant vegetation fractional standard deviation
- Unit:
dimensionless
- Default:
0.5
- veg_ssa_lw#
Vegetation single scattering albedo for longwave radiation
- Unit:
dimensionless
- Default:
0.5
- veg_ssa_sw#
Vegetation single scattering albedo for shortwave radiation
- Unit:
dimensionless
- Default:
0.5
- ref#
The
refparameter group is defined by the Reference Info structure.