Fabrics in polar ice sheets: Development and prediction

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Abstract

Fabrics in polar ice sheets provide a record of deformational history and control the viscosity of ice during further deformation; they affect geophysical sensing of ice sheets and provide an accessible analogue to fabric development during deformation of other geological and engineering materials. A new synthesis of experimental and theoretical results shows that c-axis fabrics are quantitatively related to cumulative strain and stress state in ice sheets for the full range of likely flow patterns. Basal shear, divergent flow, and parallel flow cause c axes to rotate toward the vertical axis, whereas convergent flow causes c axes to rotate toward a vertical plane transverse to flow.

Original languageEnglish (US)
Pages (from-to)493-495
Number of pages3
JournalScience
Volume240
Issue number4851
DOIs
Publication statusPublished - Jan 1 1988

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All Science Journal Classification (ASJC) codes

  • General

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