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Radiative transfer model:

Modtran4.0
Streamer
Fu/Liou
6S
LBLRTM	Line-by-line Radiative Transfer Model.
GENSPEC	Line-by-line Radiative Transfer Model in matlab
Broadband model	trans.m - very easy and fast model to calculate direct and diffuse flux at surface
spectral model	smodel.m - semi-empirical model, requires data file: spect.dat and airmass.m

Aerosol optical properties

HITRAN 2000	high-resolution transmission molecular absorption database
OPAC- GADS data base	aerosol.m - spectral extintion, single scattring albedo and asymmetry parameter, requres data base file: aerosol.mat aerfun.m - aerosol optical properties, requires aerosol.mat
Aerosol-Optical database	new aerosol-optical database, see dissertation Appendix C

Useful programs in matlab

date	jd2day.m -convert Julian Day to date day2jd.m -convert data to Julian Day
sun position and constant	sunpos.m - solar elevation and azimuth angle sundist.m - sun-Earth square distance ratio airmass.m - atmospheric path length solar.mat - solar constant at TOA planck.m - radiation of black body
molecular scattering	rayleigh.m- molecular optical thickness molec.m - molecular scatter and backscater coefficient scat_small.m - Qext, Qscat, Qabs, Qback
mie scattering	mie.m - mie calculation of Qext, Qscat, Qabs, Qback mie.mexglx - mie mex function for matlab 6.0 (linux), mie.dll for matlab 6.1 (windows), source mie.f coat.mexglx - coated sphere for matlab 6.0 (linux), coat.dll for matlab 6.2 (windows), source coat.f ADT.m - anomalous diffraction aproximation
aerosol size distribution	lognormal.m - log-normal distribution gamma_size.m - gamma distribution junge.m - Junge distribution
surface albedo	fresn.m - Fresnel refraction indwat.m - water extinction and refraction index windalb.m - water refraction det to white caps sun glint.m - sun glint BRDF
ozone	opt_ozon.m - ozone optical thickness, requires: ozon.dat file mi_oz.m - ozone path length
refrative index of aerosol	maxwell_garnet.m - Maxwell - Garnet relation for internal mixture refractive index ref_water.m refractive index of water, requires: refwater.dat ref_insoluble.m - refractive index of water insoluble part of aerosols, reguires: refinsoluble.dat ref_soluble.m - refractive index of water soluble part of aerosols, reguires: refsoluble.dat ref_soot.m - refractive index of soot ref_seasalt.m - refrative index of sea salt, reguires: refseasalt.dat ref_dust.m - refrative index of dust, reguires: refdust.dat ref_sulfate.m -refractive index of sulfate, reguires: refsulfate.dat
aerosol velocity	fall_speed.m - terminal velocity