Rayleigh Optical Depth Comp from various sources
Theoretical Analysis of PM2.5 Mass Measurm by Nephelometry-Molenar
Absorbing aerosols and precip wv-Alexandrov et al.
Column WV based on RSS-Michalsky et al.
Columnar WV form MFRSR-Alexandrov et al.
Inferring Total Ozone from Spectral Variation of TOD-king et al.
NO2 corrections in retrieving water leaving reflectances from the SeaWiFS and MODIS
