Description
The Aerosol Index (AI) is a well-established data product that has been calculated for several different satellite instruments spanning a period of nearly 40 years. The Aerosol Index described here is called the UVAI since it is based on spectral contrast in the ultraviolet (UV) spectral range for a given wavelength pair, where the difference between observed and modelled reflectance results in a residual value. When this residual is positive it indicates the presence of UV-absorbing aerosols, like dust and smoke (from both biomass burning and volcanic sources).
Resources
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