Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ...
Ice mechanical experiments in uniaxial compression and in simple shear configurations were carried out at 0.2 MPa octahedral shear stress and - 5 °C on ice core samples deposited as snow during the Wisconsin and Holocene periods. Tested samples were selected from ice cores drilled in South Green...
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University Of Tasmania
2023
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ftdatacite:10.25959/23241815.v1 2023-06-11T04:07:13+02:00 Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... Wang, WL 2023 https://dx.doi.org/10.25959/23241815.v1 https://figshare.utas.edu.au/articles/thesis/Laboratory_studies_of_flow_properties_and_associated_crystal_structure_in_Holocene_and_Wisconsin_ice/23241815/1 unknown University Of Tasmania https://dx.doi.org/10.25959/23241815 In Copyright http://rightsstatements.org/vocab/InC/1.0/ article-journal Text ScholarlyArticle Thesis 2023 ftdatacite https://doi.org/10.25959/23241815.v110.25959/23241815 2023-06-01T12:13:24Z Ice mechanical experiments in uniaxial compression and in simple shear configurations were carried out at 0.2 MPa octahedral shear stress and - 5 °C on ice core samples deposited as snow during the Wisconsin and Holocene periods. Tested samples were selected from ice cores drilled in South Greenland (Dye 3), Ellesmere Island, Canada (Agassiz Ice Cap) and East Antarctica (Law Dome Ice Cap), with an aim to finding the reasons for different flow rates between Wisconsin ice and Holocene ice. These different flow rates, reported by some glaciologists, were inferred from field measurements of borehole closure and inclination. The ice test samples were analysed for crystal size and orientation fabric, and soluble and insoluble impurity concentrations. The experiments, in two different stress configurations, gave coincident results. With the progression of strain, the deformation of the Wisconsin ice and of the Holocene ice tended to reach a constant tertiary (steady state) flow rate. Ice with a c-axis fabric ... Thesis Antarc* Antarctica Dye 3 Dye-3 East Antarctica Ellesmere Island Greenland Ice cap ice core DataCite Metadata Store (German National Library of Science and Technology) Agassiz Ice Cap ENVELOPE(-75.996,-75.996,80.252,80.252) Canada East Antarctica Ellesmere Island Greenland Law Dome ENVELOPE(112.833,112.833,-66.733,-66.733) |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
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unknown |
description |
Ice mechanical experiments in uniaxial compression and in simple shear configurations were carried out at 0.2 MPa octahedral shear stress and - 5 °C on ice core samples deposited as snow during the Wisconsin and Holocene periods. Tested samples were selected from ice cores drilled in South Greenland (Dye 3), Ellesmere Island, Canada (Agassiz Ice Cap) and East Antarctica (Law Dome Ice Cap), with an aim to finding the reasons for different flow rates between Wisconsin ice and Holocene ice. These different flow rates, reported by some glaciologists, were inferred from field measurements of borehole closure and inclination. The ice test samples were analysed for crystal size and orientation fabric, and soluble and insoluble impurity concentrations. The experiments, in two different stress configurations, gave coincident results. With the progression of strain, the deformation of the Wisconsin ice and of the Holocene ice tended to reach a constant tertiary (steady state) flow rate. Ice with a c-axis fabric ... |
format |
Thesis |
author |
Wang, WL |
spellingShingle |
Wang, WL Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... |
author_facet |
Wang, WL |
author_sort |
Wang, WL |
title |
Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... |
title_short |
Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... |
title_full |
Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... |
title_fullStr |
Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... |
title_full_unstemmed |
Laboratory studies of flow properties and associated crystal structure in Holocene and Wisconsin ice ... |
title_sort |
laboratory studies of flow properties and associated crystal structure in holocene and wisconsin ice ... |
publisher |
University Of Tasmania |
publishDate |
2023 |
url |
https://dx.doi.org/10.25959/23241815.v1 https://figshare.utas.edu.au/articles/thesis/Laboratory_studies_of_flow_properties_and_associated_crystal_structure_in_Holocene_and_Wisconsin_ice/23241815/1 |
long_lat |
ENVELOPE(-75.996,-75.996,80.252,80.252) ENVELOPE(112.833,112.833,-66.733,-66.733) |
geographic |
Agassiz Ice Cap Canada East Antarctica Ellesmere Island Greenland Law Dome |
geographic_facet |
Agassiz Ice Cap Canada East Antarctica Ellesmere Island Greenland Law Dome |
genre |
Antarc* Antarctica Dye 3 Dye-3 East Antarctica Ellesmere Island Greenland Ice cap ice core |
genre_facet |
Antarc* Antarctica Dye 3 Dye-3 East Antarctica Ellesmere Island Greenland Ice cap ice core |
op_relation |
https://dx.doi.org/10.25959/23241815 |
op_rights |
In Copyright http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.25959/23241815.v110.25959/23241815 |
_version_ |
1768380118154084352 |