Atmospheric extinction levels of solar radiation using aerosol optical thickness satellite data. Validation methodology with measurement system - Carra, Elena; Marzo, Aitor; Ballestrín, Jesús; Polo, Jesús; Barbero, Javier; Alonso-Montesinos, Joaquín; Monterreal, Rafael; Abreu, Edgar F.M.; Férnandez-Reche, Jesús (2020)