Solar radiation is unpolarized before entering the earth’s atmosphere. The skylight is partially linearly polarized through scattering interactions with the atmospheric constituents (gases, aerosol particles, water droplets, ice crystals). Since the discovery of skylight polarization by Arago in 1809, studies of the polarization of skylight and neutral points have been emphasized, as these can be used as indicators of atmospheric turbidity (dust, haze, pollution; Bellver 1987) and surface properties (Coulson 1974).
KeywordsDust Retina Turbidity
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