Mechanical properties of polycrystalline ice: An assessment of current knowledge and priorities for research: Report prepared for the International Commission on Snow and Ice,with support from the U.S. National Science Foundation |
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| Authors: | R.LeB. Hooke M. Mellor W.F. Budd J.W. Glen A. Higashi T.H. Jacka S.J. Jones R.C. Lile R.T. Martin M.F. Meier D.S. Russell-Head J. Weertman |
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| Affiliation: | 1. Department of Geology and Geophysics, University of Minnesota, Minneapolis, MN U.S.A.;2. Cold Regions Research and Engineering Laboratory, Hanover, NH U.S.A.;3. Meteorology Department, University of Melbourne Australia;4. Department of Physics, University of Birmingham, Birmingham U.K.;5. Department of Applied Physics, Hokkaido University, Sapporo Japan;6. Antarctic Division, Department of Science and the Environment, Melbourne Australia;7. Glaciology Division, Department of Environment, Ottawa, Ontario Canada;8. Department of Civil Engineering, Massachusetts Institute of Technology, Cambridge, MA U.S.A.;9. U.S. Geological Survey, Tacoma, WA U.S.A.;10. Faculty of Engineering, University of Melbourne Australia;11. Department of Materials Science, Northwestern University, Evanston, IL U.S.A. |
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| Abstract: | Systematic knowledge of the mechanical properties of ice is a fundamental requirement for the solution of a wide range of problems in the earth sciences and engineering. Past research has been characterized by specialized studies, involving a variety of motivations and scientific disciplines, without much overall coordination. When the results of this research are synthesized, a reasonably coherent picture emerges, but there are major gaps in knowledge. From the deduced behavior of ice, and from informed speculation where data are lacking, a coherent plan for future research can be developed. This report summarizes existing knowledge and proposes experiments and test programs for a new research thrust. The studies that are proposed can be expected to yield significant benefits in glacier studies, ice engineering, and the mechanics of frozen ground. |
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