| Résumé: | Desert dust atmospheric aerosols play an important role in the Earth-atmosphere system and constitute a key agent for the Earth’s climate through their radiative processes. However, dust radiative effects are still subjected to large uncertainties, due to the uncertain estimates of their optical properties. A radiative closure study, under cloudless sky, using measurements and model results of shortwave radiation at the Earth’s surface was performed. All measurements were gathered under Saharan dust conditions during the ASKOS campaign at Mindelo, Cabo Verde. Radiation measurements were compared with radiative transfer simulations, using as input concurrent retrievals of dust optical properties.
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