# Aerosol¶

radtran.climatologies.aerosol.get_aerosol_cross_section(wavel_nm, mode_radius, mode_width)

Compute the scattering cross section of a lognormal particle size distribution

Parameters: wavel_nm – wavelength in namometers mode_radius – mode radius of the lognormal distribution (microns) mode_width – mode width of the lognormal distribution (unitless, > 1) scattering cross (cm^2)
radtran.climatologies.aerosol.optical_property(mode_radius, mode_width, particlesize_heights, doLogInterpolation=0, doPiecewiseLinear=0)

Returns the aerosol optical property for MIEAEROSOL_H2SO4

Parameters: mode_radius : list or numpy array Mode radii at different altitudes, same size as particlesize_heights mode_width : list or numpy array Mode width at different altitudes, same size as particlesize_heights particlesize_heights : list or numpy array Heights in m where the mode radii and mode width are specified optprop : ISKOpticalProperty Aerosol optical property
radtran.climatologies.aerosol.simulated_aerosol_plume(tp, look, plume_angle_middle, plume_width_angle, enhancement_factor, background_heights, background_profile, plume_low_alt, plume_high_alt)

Creates a two dimensional plane climatology representing a simulated aerosol plume

Parameters: tp : numpy array (3,) Reference tangent point look : numpy array (3,) Average look direction plume_angle_middle : scalar The angle in degrees from the tangent point where the plume should be centred. Negative angles are closer to the observer plume_width_angle : scalar The width of the plume in degrees enhancement_factor : scalar The number to multiply the background profile by to create the plume background_heights : numpy array (n,) Heights of the background profile to use in [m] background_profile : numpy array (n,) Number density of the background aerosol profile in [/cm3] plume_low_alt : scalar Lower boundary of the plume in [m] plume_high_alt : scalar Upper boundary of the plume in [m] clim : ISKClimatology optprop : ISKOpticalProperty guid : GUID normalandreference : numpy array (6,) Normal and referenced used for the plane climatology, intended to be passed back to the engine