TY JOUR TI Atmospheric Circulation Patterns and Flood Events in the South of Eastern Siberia (Based on the 2001 Flood) KW extreme rainfall floods KW synoptic processes KW atmospheric precipitation KW HYSPLIT backward trajectories KW south of Eastern Siberia JO Russian Journal of Earth Sciences AU Осипова, О.П. AU Кичигина, Н.В. PY 2026 IS PB Геофизический центр Российской Академии Наук