Aerosol Layering Characterization Near the Gobi Desert by a Double Polarization Lidar System Y. Zhao, A. Boselli, A. Sannino, C. Song, N. Spinelli and X. Wang EPJ Web of Conferences, 119 (2016) 23032 Published online: 07 June 2016 DOI: 10.1051/epjconf/201611923032