Aerosol optical thickness inversion method and system based on surface reflectance optimization

The invention discloses an aerosol optical thickness inversion method and system based on surface reflectance optimization, and relates to the technical field of aerosol optical thickness data identification, and the method comprises the steps: determining the value range of the minimum value of the aerosol optical thickness, and determining the collection time range according to an aerosol remote sensing product in the value range; determining a satellite remote sensing image with the minimum apparent reflectivity according to the satellite remote sensing images in the acquisition time range; acquiring an actually measured foundation remote sensing image according to the transit time of the satellite; selecting values of a blue-light wave band, a red-light wave band, a near-infrared wave band and a short-wave infrared wave band in a set pixel range for the determined satellite remote sensing image, and constructing a surface reflectance library and an apparent reflectance library; according to the observatio