gas hydrate, ocean warming, Barents Sea, hydrate dissociation, Arctic, numerical modeling, Gases, Ocean bottom, Seismology, Ocean temperature, Geophysics, Mixes, Fluid flow, Seismic stability, Impact analysis, Ocean models, Reflectors, Salvage, Historical account, Polar environments, Evolution, Gas hydrates, Modelling, Dissociation, Cenozoic, Glacial erosion...