| Variable Name and Aliases | Default Value | Arguments, Unit, Description |
| air.conf |
| dir_base|dir_base_directory | | base directory in which all subordinated files can be found |
| fn_air_data | file | air data filename. 2 columns: pressure [hPa] TAB temperature [K] |
| fn_air_map | file | air map filename |
| b_consider_rotational_raman_scattering|b_RRS|b_Ring_effect | no | consider rotational Raman scattering for the simulation of the Ring effect? |
| RRS_JMax|J_max | 50 | maximum rotational quatum number considered |
| RCSFormula | vanDeelen | selection: Penndorf|Nicolet|BodhaineEq29|Bodhaine|vanDeelen|file :Rayleigh cross section formula to use. |
| b_isotropic_molecular_polarizability | no | disable depolarization effects in the Rayleigh phase function? |
| fn_rayleigh_cross_section | file | external Rayleigh cross section file. 2 columns, wavelength [nm] TAB cs [cm^2] |
| b_consider_Herzberg_continuum | no | consider an analytic description of the Herzberg continuum in the UV? |
| air | no | air profile data, usage: air[cluster index,i] where i=1: pressure [hPa], i=2: temperature [K] |
| gases|absorbers|gaseous_absorbers | none | comma separated list of gaseous absorber configuration filenames, each without '.conf' |
| particles|scatterers | none | comma separated list of particle configuration filenames, each without '.conf' |