Characteristics of Volcanic Stratospheric Aerosol Layer Observed by CALIOP and Ground Based Lidar at Equatorial Atmosphere Radar SiteMakoto Abo, Yasukuni Shibata and Chikao NagasawaEPJ Web Conf., 176 (2018) 04003DOI: https://doi.org/10.1051/epjconf/201817604003