Abstract
A huge slide (volume of 2400 km3 and run-out 450 km) was released in the Storegga area off the western coast of Norway during early Holocene, followed by numerous smaller debris flows. We perform numerical simulations of the giant slide using a Bingham model for the clay material. Agreement with present deposit distribution and run-out is found by assuming that the shear resistance between the debris flow and the seabed decreases during the flow, and we suggest sediment remolding or hydroplaning as possible explanations. Debris velocities are predicted and possible applications to the associated tsunami event are investigated.
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Bondevik, S., Svendsen, J. I., Johnsen, G., Mangerud, J., and Kaland, P. E., 1997. The Storegga tsunami along the Norwegian coast, its age and runup. Boreas 26:29–53.
Coussot, P., 1997. Mudflow Rheology and Dynamics. 1AHR-AIRH monograph series, Balkema.
Dawson, A.G., Long, D., and Smith, D.E. (1988). The Storegga Slides: Evidence from eastern Scotland for a possible tsunami. Marine Geology 82, 271–276.
Dawson, A.G., Long, D., Smith, D.E., Shi, S., and Foster, I.D.L. (1993). Tsunamis in the Norwegian Sea and the North Sea caused by the Storegga submarine landslides. In: S. Tinti (ed.) Tsunamis in the world, Kluwer Academic Publishers, Netherlands, 228 pp.
Edgers, L., and Karlsrud, K., 1982. Soil flows generated by submarine slides-case studies and consequences. In: Chryssostomidis, C. and Connor, J.J. (eds.), Proceedings of the Third International Conference on the Behaviour of Offshore Structures. Hemisphere, Bristol, pp. 425–437.
Haflidason, H.,B., Torgersen, B., Lie, H., and Sulebak, J. R., 2002. Morphological analyses of the seafloor in the Storegga Slide area based on the TOBI and the bathymetrical data sets available. Final Report to Norsk Hydro AS 100-03/02. Bergen, Norway, Dept. of Geology, University of Bergen.
Harbitz, C.B., 1992. Model simulation of tsunamis generated by the Storegga slides. Marine Geol. 105:1–21.
Harbitz, C.B., Parker, G., Elverhéi, K., Mohrig, D., and Harff, P., 1992. Hydroplaning of subaqueous debris flows and glide blocks: Analytical solutions and discussions. J. Geophys. Res., in press.
Huang, X. and Garcia, M. H., 1998. A Herschel-Bulkley model for mud flow down a slope. J. Fluid Mech., 374:305–333.
Huang, X. and Garcia, M.H., 1999. Modeling of non-hydroplaning mud flows on continental slopes. Marine Geol, 154:132–142.
Imran, J., Harff, P. and Parker, G., 2001. A numerical model of submarine debris flows with graphical user interface. Computers and Geosciences, 27:717–729.
Issler, D., De Blasio, F. V., Elverhéi, A., Ilstad, T., Bryn, P. and Lien, R., 2003. Issues in the assessment of gravity mass flow hazard in the Storegga area off the western Norwegian coast. This volume.
Komamura, F. and Huang, R. J., 1974. A new Theological model for soil behavior. J. Geotech. Engng. Div., A.S.C.E., 100: 807–824.
Locat, J. and Lee, H.J., 2002. Submarine landslides: advances and challenges. Can. Geotech. J., 39:193–212.
Long, D., Smith, D.E., and Dawson, A.G. (1989). A Holocene tsunami deposit in eastern Scotland. J. Quat. Sci. 4, 61–66.
Mohrig, D., Elverhéi, A. and Parker, G. 1999. Experiments on the relative mobility of muddy subaqueous and subaerial debris flows, and their capacity to remobilize antecedent deposits. Marine Geol, 154: 117–129.
Norwegian Geotechnical Institute (2002a). Slope Stability Assessment in the Ormen Lange Field-Tsunami Analyses. NGI report 993016-8.
Norwegian Geotechnical Institute (2002b). Slope Stability Assessment in the Ormen Lange Field-Extended Tsunami Analyses. NGI report 993016-16.
Norwegian Geotechnical Institute (2002c). Ormen Lange Slope Stability Assessment — Run out Analyses-Upper headwall. NGI report 993016-11.
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De Blasio, F.V. et al. (2003). Dynamics, Velocity and Run-Out of the Giant Storegga Slide. In: Locat, J., Mienert, J., Boisvert, L. (eds) Submarine Mass Movements and Their Consequences. Advances in Natural and Technological Hazards Research, vol 19. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0093-2_25
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DOI: https://doi.org/10.1007/978-94-010-0093-2_25
Publisher Name: Springer, Dordrecht
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