TY JOUR TI Mathematical Model of Degradation of Frozen Hydrate-Bearing Saline Rocks Under Thermal Influence from Above and Below KW permafrost KW gas hydrate KW ice melting KW degradation KW solutions KW osmosis KW mathematical model JO Russian Journal of Earth Sciences AU Ramazanov, M.M. AU Lobkovsky, L.I. AU Bulgakova, N.S. AU Gadzhimagomedova, S.R. PY 2025 IS 25 PB Geophysical Center of the Russian Academy of Sciences