2003 | OriginalPaper | Buchkapitel
Effect of Gas Hydrates Dissociation on Seafloor Slope Stability
verfasst von : N. Sultan, P. Cochonat, J. P. Foucher, J. Mienert, H. Haflidason, H. P. Sejrup
Erschienen in: Submarine Mass Movements and Their Consequences
Verlag: Springer Netherlands
Enthalten in: Professional Book Archive
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We present a theoretical study of the thermodynamic chemical equilibrium of gas hydrate in soil by taking into account the influence of temperature, pressure and pore water chemistry. The second part of the paper shows an application of the model through a back-analysis of the giant Storegga Slide on the Norwegian margin. Two of the most important changes during and since the last deglaciation (hydrostatic pressure due to the change of the sea level and the increase of the sea water temperature) were considered in the calculation.