aer_init()

subroutine, public module_radiation_aerosols::aer_init	(	integer, intent(in)	NLAY,
		integer, intent(in)	me,
		integer, intent(in)	iaermdl,
		integer, intent(in)	iaerflg,
		logical, intent(in)	lalw1bd,
		character(len=26), intent(in)	aeros_file,
		real(kind_phys), intent(in)	con_pi,
		real(kind_phys), intent(in)	con_t0c,
		real(kind_phys), intent(in)	con_c,
		real(kind_phys), intent(in)	con_boltz,
		real(kind_phys), intent(in)	con_plnk,
		integer, intent(out)	errflg,
		character(len=*), intent(out)	errmsg
	)

1. Call wrt_aerlog to write aerosol parameter configuration to output logs.
2. Call set_spectrum to set up spectral one wavenumber solar/IR fluxes.
3. Call clim_aerinit() to invoke tropospheric aerosol initialization.
4. Call set_volcaer to invoke stratospheric volcanic aerosol initialization.