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A Method for Propagating Uncertainties of the Top of Atmosphere Sentinel-2 Measurements to Bottom of Atmosphere Reflectance for Aquatic Applications

A method is proposed to analytically propagate the measurement uncertainties of multispectral or hyperspectral satellite sensors from the top of the atmosphere to the surface as well as through the correction of specular reflections from the sun, in a maritime application context. The method is applied to the Sentinel2-MSI sensor and validated by a Monte Carlo technique. The resulting surface reflectance uncertainties can again be propagated to subsequent treatment processes such as the inversion of the radiative transfer model in the water column.