Diurnal Behavior of Aerosol Optical Properties Studied with Lidar and Ground-Based Instruments Prane Mariel Ong, Nofel Lagrosas, Tatsuo Shiina and Hiroaki Kuze EPJ Web Conf., 237 (2020) 02011 Published online: 07 July 2020 DOI: 10.1051/epjconf/202023702011