Analysis of Seafloor Sediment Distribution using Multibeam Backscatter Data Danar G Pratomo, Khomsin, Mokhammad N Cahyadi, Kamila Akbar and Evasari Aprilia MATEC Web Conf., 177 (2018) 01026 Published online: 04 July 2018 DOI: 10.1051/matecconf/201817701026