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Land Glaciers

In: Stresses in glaciers

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  • Peter Halfar

Abstract

For land glaciers with simply connected free surface, the general solution of the balance conditions and the boundary conditions of vanishing boundary stresses on the free surface is expressed by three components of the stress tensor or the deviatoric stress tensor, where these three components can be taken as arbitrary functions within the framework of the general solution. For a glacier with a heavy rock on its surface, such that the free surface surrounding the rock is not simply connected, the general solution of the balance boundary and load conditions is given, where the load conditions are defined by the weight and torque exerted by the rock. For land glaciers with small strain rates, so-called “quasi-stagnant models” are introduced. These quasi-stagnant models are candidates for realistic models and can be represented with reasonable effort without aiming for a precision by too much effort, which cannot be achieved anyway due to information deficits.

Suggested Citation

  • Peter Halfar, 2022. "Land Glaciers," Springer Books, in: Stresses in glaciers, chapter 10, pages 81-108, Springer.
    • Handle: RePEc:spr:sprchp:978-3-662-66024-9_10
    DOI: 10.1007/978-3-662-66024-9_10
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