TY JOUR TI The Impact of Natural and Climatic Change on the Railway Transport Operation Focusing on the Severnaya (North) Railway KW Transport system KW natural and climatic conditions KW failures in the operation of facilities KW reliability of transport systems KW classification of failures JO Bulletin of scientific research results AU Bykova, O.V. PY 2025 IS 2025 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"