%0 Journal Article %T Building Digital Model of Riverbed Pur in Upper Reaches to Ensure Technosphere Safety on Inland Waterways %A Sanockaya, N.A. %A Belikov, I.A. %K Technosphere safety, inland waterways, digital model of riverbed, water regime, river Pur %J Proceedings of Petersburg Transport University %D 2022 %N 19 %P 14 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"