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Hydro-Mechanical Response of Sedimentary Rocks of Southern Ontario to Past Glaciations

O. Nasir[1], M.Fall[1], T.S. Nguyen[1,2], and E. Evgin[1]
[1]Department of Civil Engineering, University of Ottawa, Ottawa, Ontario, Canada
[2]Canadian Nuclear Safety Commission (CNSC), Ottawa, Ontario, Canada
Published in 2009

The last glacial cycle in the Northern Hemisphere started approximately 120,000 year ago. During that cycle, Southern Ontario was buried under a continental ice cap, with a maximum thickness of up to 3km. The ice cap retreated approximately 10,000 years ago. The COMSOL Multiphysics code is used to model the physical processes of the impact of past glaciations on the evolution of hydraulic system of sedimentary rocks of southern Ontario by using coupled flow and deformation in porous media. Modeling results, including pore-water pressure distribution have been compared with the available field data for validation.

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