Aerosol optical properties, downward solar irradiance and ozone concentrations measured at Humaitá, AM, during the biomass burning season of 2012 - Yamasoe, Marcia Akemi; Rosário, Nilton Manuel Évora do; Leiva, Érico Augusto; Costa, Tássio Santos; Braghiere, Renato Kerchers (Quadrennial ICACGP Symposium, 2014)