TY JOUR TI Identification of Icings Spreading Patterns in Selenga Middle Mountains by Methods of Geoinformation Analysis KW icing KW permafrost KW groundwater KW terrain KW Selenga mid-mountains KW snow cover KW tectonic faults KW geoinformation analysis JO Russian Journal of Earth Sciences AU Chernykh, V.N. AU Tsydypov, B.Z. AU Ayurzhanaev, A.A. AU Zharnikova, M.A. AU Sodnomov, B.V. AU Alymbaeva, Z.B. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences