Ice-flow properties at Dome Summit South, Law Dome, East Antarctica
Ice-flow properties within a polar ice sheet are examined using the comprehensive data gathered from ice-core drilling by Australian National Antarctic Research Expeditions (ANARE) at Dome Summit South (DSS), on Law Dome, East Antarctica. Using the shear strain rates derived from borehole inclinatio...
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International Glaciological Society
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Online Access: | https://doi.org/10.3189/172756402781816924 http://ecite.utas.edu.au/26100 |
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ftunivtasecite:oai:ecite.utas.edu.au:26100 2023-05-15T13:29:34+02:00 Ice-flow properties at Dome Summit South, Law Dome, East Antarctica Wang, W Warner, RC Budd, WF 2002 https://doi.org/10.3189/172756402781816924 http://ecite.utas.edu.au/26100 en eng International Glaciological Society http://dx.doi.org/10.3189/172756402781816924 Wang, W and Warner, RC and Budd, WF, Ice-flow properties at Dome Summit South, Law Dome, East Antarctica, Annals of Glaciology, 35 pp. 567-573. ISSN 0260-3055 (2002) [Refereed Article] http://ecite.utas.edu.au/26100 Earth Sciences Physical Geography and Environmental Geoscience Glaciology Refereed Article PeerReviewed 2002 ftunivtasecite https://doi.org/10.3189/172756402781816924 2019-12-13T21:07:04Z Ice-flow properties within a polar ice sheet are examined using the comprehensive data gathered from ice-core drilling by Australian National Antarctic Research Expeditions (ANARE) at Dome Summit South (DSS), on Law Dome, East Antarctica. Using the shear strain rates derived from borehole inclination measurements we demonstrate the need to modify the ice-flow relations to treat enhanced shear deformation deep within the ice sheet. We show that the relation between enhanced flow and the measured crystallographic properties is generally in accord with expectations, at least in the upper parts of the ice sheet, but it becomes clear that nearer to the bedrock the situation is more complicated. We also compare the observed shear strain-rate profile with results from a model that describes flow enhancement as a function of the applied stresses. Article in Journal/Newspaper Annals of Glaciology Antarc* Antarctic Antarctica East Antarctica ice core Ice Sheet eCite UTAS (University of Tasmania) Antarctic East Antarctica Law Dome ENVELOPE(112.833,112.833,-66.733,-66.733) Annals of Glaciology 35 567 573 |
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Open Polar |
collection |
eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Earth Sciences Physical Geography and Environmental Geoscience Glaciology |
spellingShingle |
Earth Sciences Physical Geography and Environmental Geoscience Glaciology Wang, W Warner, RC Budd, WF Ice-flow properties at Dome Summit South, Law Dome, East Antarctica |
topic_facet |
Earth Sciences Physical Geography and Environmental Geoscience Glaciology |
description |
Ice-flow properties within a polar ice sheet are examined using the comprehensive data gathered from ice-core drilling by Australian National Antarctic Research Expeditions (ANARE) at Dome Summit South (DSS), on Law Dome, East Antarctica. Using the shear strain rates derived from borehole inclination measurements we demonstrate the need to modify the ice-flow relations to treat enhanced shear deformation deep within the ice sheet. We show that the relation between enhanced flow and the measured crystallographic properties is generally in accord with expectations, at least in the upper parts of the ice sheet, but it becomes clear that nearer to the bedrock the situation is more complicated. We also compare the observed shear strain-rate profile with results from a model that describes flow enhancement as a function of the applied stresses. |
format |
Article in Journal/Newspaper |
author |
Wang, W Warner, RC Budd, WF |
author_facet |
Wang, W Warner, RC Budd, WF |
author_sort |
Wang, W |
title |
Ice-flow properties at Dome Summit South, Law Dome, East Antarctica |
title_short |
Ice-flow properties at Dome Summit South, Law Dome, East Antarctica |
title_full |
Ice-flow properties at Dome Summit South, Law Dome, East Antarctica |
title_fullStr |
Ice-flow properties at Dome Summit South, Law Dome, East Antarctica |
title_full_unstemmed |
Ice-flow properties at Dome Summit South, Law Dome, East Antarctica |
title_sort |
ice-flow properties at dome summit south, law dome, east antarctica |
publisher |
International Glaciological Society |
publishDate |
2002 |
url |
https://doi.org/10.3189/172756402781816924 http://ecite.utas.edu.au/26100 |
long_lat |
ENVELOPE(112.833,112.833,-66.733,-66.733) |
geographic |
Antarctic East Antarctica Law Dome |
geographic_facet |
Antarctic East Antarctica Law Dome |
genre |
Annals of Glaciology Antarc* Antarctic Antarctica East Antarctica ice core Ice Sheet |
genre_facet |
Annals of Glaciology Antarc* Antarctic Antarctica East Antarctica ice core Ice Sheet |
op_relation |
http://dx.doi.org/10.3189/172756402781816924 Wang, W and Warner, RC and Budd, WF, Ice-flow properties at Dome Summit South, Law Dome, East Antarctica, Annals of Glaciology, 35 pp. 567-573. ISSN 0260-3055 (2002) [Refereed Article] http://ecite.utas.edu.au/26100 |
op_doi |
https://doi.org/10.3189/172756402781816924 |
container_title |
Annals of Glaciology |
container_volume |
35 |
container_start_page |
567 |
op_container_end_page |
573 |
_version_ |
1766001253077221376 |