aer_init()

subroutine, public module_radiation_aerosols::aer_init	(	integer, intent(in)	NLAY,
		integer, intent(in)	me
	)

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.