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Higher-Order Physic For Modeling Ice Streams In Ice Sheets, Debra A. Kenneway
Higher-Order Physic For Modeling Ice Streams In Ice Sheets, Debra A. Kenneway
Electronic Theses and Dissertations
Ice streams are transitional between inland glaciers and ice shelves. Hence no stresses can be neglected. Ice streams are important dynamic features of a glacier; it is well known that ice streams drain up to 90% of the ice from an ice sheet. Herein I model ice streams as a multiphysics system of coupled components. This includes treating ice as a non-Newtonian fluid since empirical measurements show a power law relation between stress and strain rate. Sliding is a physical feature that must be included. This is done with a novel approach to sliding by way of a slippery layer. …