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Record #166719:
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MARC recordMechanical anisotropy of deep ice core samples by uniaxial compression tests / Atsushi Miyamoto, Kimiko Shimohara, Kinji Hyakutake, Hitoshi Shoji, Hideki Narita, Takeo Hondoh.
| Title: | Mechanical anisotropy of deep ice core samples by uniaxial compression tests / Atsushi Miyamoto, Kimiko Shimohara, Kinji Hyakutake, Hitoshi Shoji, Hideki Narita, Takeo Hondoh. |
| Author(s): | Miyamoto, Atsushi. Shimohara, Kimiko. Hyakutake, Kinji. Shoji, Hitoshi. Narita, Hideki. Hondoh, Takeo. |
| Date: | 2003. |
| In: | National Institute of Polar Research. Memoirs. Special Issue. (2003.), Vol. 57 (2003) |
| Abstract: | Discusses mechanical anisotropy of deep ice using results of tests on samples from three ice cores (Dye 3 and GRIP from Greenland, Dome Fuji from Antarctica). Describes uniaxial compression tests on samples from eleven depths up to 2176 m in Dome Fuji core carried out under constant strain rate up to total strains of a few percent. Presents stress-strain curves and identifies yield stresses at about 1% strain. Calculates softness parameter in Glen's flow law and 'enhancement factors' relative to isotropic ice. Concludes c-axis orientation distribution is primary influence on mechanical behaviour of ice core ice. Constructs contour map from which enhancement factor in every compression direction for given vertical strain may be estimated. In: Global Scale Climate and Environment Study through Polar Deep Ice Cores: Proceedings of the International Symposium on the Dome Fuji Ice Core and Related Topics, 27-28 February 2001, Tokyo. |
| Notes: | National Institute of Polar Research. Memoirs. Special Issue. Vol. 57 :168-177 (2003). |
| Keywords: | (*735) -- Prins Harald Kyst: Dome Fuji. 551.32 -- Glaciology. 551.324.24 -- Ice sheets and caps. 551.324.51 -- Land ice, theory of flow. 551.321 -- Glaciological methods and instruments. 551.322 -- Ice and snow. 539.3 -- Ice, mechanical properties. 539.37 -- Ice, plastic and viscous deformation. 548.2 -- Ice, granular structure. Anisotropy. 548.53 -- Ice, recrystallization and grain growth. 001.89 -- Research programmes: Dome Fuji Program, Japanese Antarctic Research Expedition. E4 -- Glaciology: physics and chemistry of ice. (*7) -- Antarctic regions. (*7.3) -- East Antarctica. (*38) -- Greenland. |
| SPRI record no.: | 166719 |
LDR 02625naa#a2200000#a#4500 001 SPRI-166719 005 20240416121006.0 007 ta 008 240416s2003####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-166719 040 ## ‡aUkCU-P‡beng‡eaacr 245 00 ‡aMechanical anisotropy of deep ice core samples by uniaxial compression tests /‡cAtsushi Miyamoto, Kimiko Shimohara, Kinji Hyakutake, Hitoshi Shoji, Hideki Narita, Takeo Hondoh. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2003. 300 ## ‡ap. 168-177 :‡bdiags., table. 500 ## ‡aNational Institute of Polar Research. Memoirs. Special Issue. Vol. 57 :168-177 (2003). 520 3# ‡aDiscusses mechanical anisotropy of deep ice using results of tests on samples from three ice cores (Dye 3 and GRIP from Greenland, Dome Fuji from Antarctica). Describes uniaxial compression tests on samples from eleven depths up to 2176 m in Dome Fuji core carried out under constant strain rate up to total strains of a few percent. Presents stress-strain curves and identifies yield stresses at about 1% strain. Calculates softness parameter in Glen's flow law and 'enhancement factors' relative to isotropic ice. Concludes c-axis orientation distribution is primary influence on mechanical behaviour of ice core ice. Constructs contour map from which enhancement factor in every compression direction for given vertical strain may be estimated. In: Global Scale Climate and Environment Study through Polar Deep Ice Cores: Proceedings of the International Symposium on the Dome Fuji Ice Core and Related Topics, 27-28 February 2001, Tokyo. 650 07 ‡a(*735) -- Prins Harald Kyst: Dome Fuji.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc 650 07 ‡a551.324.51 -- Land ice, theory of flow.‡2udc 650 07 ‡a551.321 -- Glaciological methods and instruments.‡2udc 650 07 ‡a551.322 -- Ice and snow.‡2udc 650 07 ‡a539.3 -- Ice, mechanical properties.‡2udc 650 07 ‡a539.37 -- Ice, plastic and viscous deformation.‡2udc 650 07 ‡a548.2 -- Ice, granular structure. Anisotropy.‡2udc 650 07 ‡a548.53 -- Ice, recrystallization and grain growth.‡2udc 650 07 ‡a001.89 -- Research programmes: Dome Fuji Program, Japanese Antarctic Research Expedition.‡2udc 650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*7.3) -- East Antarctica.‡2udc 651 #7 ‡a(*38) -- Greenland.‡2udc 700 1# ‡aMiyamoto, Atsushi. 700 1# ‡aShimohara, Kimiko. 700 1# ‡aHyakutake, Kinji. 700 1# ‡aShoji, Hitoshi. 700 1# ‡aNarita, Hideki. 700 1# ‡aHondoh, Takeo. 773 0# ‡7nnas ‡tNational Institute of Polar Research. Memoirs. Special Issue. ‡gVol. 57 (2003) ‡wSPRI-42956 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240416