TY JOUR TI Monitoring post-torrential riverbed changes using UAV technology KW Unmanned aerial vehicle KW mudflow KW riverbed KW orthophotoplane KW digital model KW landscape JO Vestnik of geosciences AU Gergokova, Z.Z. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"