Flow-law hypotheses for ice-sheet modeling

Research output: Contribution to journalArticle

159 Scopus citations

Abstract

Ice-flow modeling requires a flow law relating strain rates to stresses in situ, but a flow law cannot be measured directly in ice sheets. Microscopic processes such as dislocation glide and boundary diffusion control both the flow law for ice and the development of physical properties such as grain-size and c-axis fabric. These microscopic processes can be inferred from observations of the physical properties, and the flow law can then be estimated from the microscopic processes. A review of available literature shows that this approach can be imperfectly successful. -from Author

Original languageEnglish (US)
Pages (from-to)245-256
Number of pages12
JournalJournal of Glaciology
Volume38
Issue number129
DOIs
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Earth-Surface Processes

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