Deformation Microstructures in an Antarctic Ice Core (EDML) and in Experimentally Deformed Artificial Ice
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概要
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Deformation microstructures in an Antarctic ice core (EDML) and in experimentally deformed artificial ice, which together comprise a great variety of conditions and parameters, are reconsidered and compared. Data presented here cover grain substructure and shape. Despite the different flow conditions surprising similarities in these observations indicate intracrystalline slip as the deformation carrier in natural as well as in experimentally deformed ice. Similar subgrain-boundary shapes and arrangements in both cases indicate characteristic types, which suggest that non-basal dislocations may play a significant role in the deformation of ice. Subgrain-boundary density and grain-boundary shapes show that a difference between processes in creep tests and in the Antarctic ice sheet is the efficiency of recovery and dynamic recrystallization.Physics of Ice Core Records II : Papers collected after the 2nd International Workshop on Physics of Ice Core Records, held in Sapporo, Japan, 2-6 February 2007. Edited by Takeo Hondoh
- Institute of Low Temperature Science, Hokkaido Universityの論文
Institute of Low Temperature Science, Hokkaido University | 論文
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