South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy
M.G. Aartsen and G.C. Hill are members of the IceCube Collaboration The IceCube Neutrino Observatory and its prototype, AMANDA, were built in South Pole ice, using powerful hot-water drills to cleanly bore >100 holes to depths up to 2500 m. The construction of these particle physics detectors pro...
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Language: | English |
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International Glaciological Society
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Online Access: | http://hdl.handle.net/2440/94924 https://doi.org/10.3189/2013JoG13J068 |
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ftunivadelaidedl:oai:digital.library.adelaide.edu.au:2440/94924 2023-12-24T10:11:29+01:00 South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy Aartsen, M. Hill, G. IceCube Collaboration 2013 http://hdl.handle.net/2440/94924 https://doi.org/10.3189/2013JoG13J068 en eng International Glaciological Society ARC Journal of Glaciology, 2013; 59(218):1117-1128 0022-1430 1727-5652 http://hdl.handle.net/2440/94924 doi:10.3189/2013JoG13J068 © 2014 Publishing Technology http://dx.doi.org/10.3189/2013jog13j068 Journal article 2013 ftunivadelaidedl https://doi.org/10.3189/2013JoG13J06810.3189/2013jog13j068 2023-11-27T23:19:55Z M.G. Aartsen and G.C. Hill are members of the IceCube Collaboration The IceCube Neutrino Observatory and its prototype, AMANDA, were built in South Pole ice, using powerful hot-water drills to cleanly bore >100 holes to depths up to 2500 m. The construction of these particle physics detectors provided a unique opportunity to examine the deep ice sheet using a variety of novel techniques. We made high-resolution particulate profiles with a laser dust logger in eight of the boreholes during detector commissioning between 2004 and 2010. The South Pole laser logs are among the most clearly resolved measurements of Antarctic dust strata during the last glacial period and can be used to reconstruct paleoclimate records in exceptional detail. Here we use manual and algorithmic matching to synthesize our South Pole measurements with ice-core and logging data from Dome C, East Antarctica. We derive impurity concentration, precision chronology, annual-layer thickness, local spatial variability, and identify several widespread volcanic ash depositions useful for dating. We also examine the interval around ∼74 ka recently isolated with radiometric dating to bracket the Toba (Sumatra) supereruption. The IceCube Collaboration Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica ice core Ice Sheet Journal of Glaciology South pole South pole The University of Adelaide: Digital Library Antarctic East Antarctica South Pole Journal of Glaciology 59 218 1117 1128 |
institution |
Open Polar |
collection |
The University of Adelaide: Digital Library |
op_collection_id |
ftunivadelaidedl |
language |
English |
description |
M.G. Aartsen and G.C. Hill are members of the IceCube Collaboration The IceCube Neutrino Observatory and its prototype, AMANDA, were built in South Pole ice, using powerful hot-water drills to cleanly bore >100 holes to depths up to 2500 m. The construction of these particle physics detectors provided a unique opportunity to examine the deep ice sheet using a variety of novel techniques. We made high-resolution particulate profiles with a laser dust logger in eight of the boreholes during detector commissioning between 2004 and 2010. The South Pole laser logs are among the most clearly resolved measurements of Antarctic dust strata during the last glacial period and can be used to reconstruct paleoclimate records in exceptional detail. Here we use manual and algorithmic matching to synthesize our South Pole measurements with ice-core and logging data from Dome C, East Antarctica. We derive impurity concentration, precision chronology, annual-layer thickness, local spatial variability, and identify several widespread volcanic ash depositions useful for dating. We also examine the interval around ∼74 ka recently isolated with radiometric dating to bracket the Toba (Sumatra) supereruption. The IceCube Collaboration |
format |
Article in Journal/Newspaper |
author |
Aartsen, M. Hill, G. IceCube Collaboration |
spellingShingle |
Aartsen, M. Hill, G. IceCube Collaboration South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
author_facet |
Aartsen, M. Hill, G. IceCube Collaboration |
author_sort |
Aartsen, M. |
title |
South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
title_short |
South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
title_full |
South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
title_fullStr |
South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
title_full_unstemmed |
South Pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
title_sort |
south pole glacial climate reconstruction from multi-borehole laser particulate stratigraphy |
publisher |
International Glaciological Society |
publishDate |
2013 |
url |
http://hdl.handle.net/2440/94924 https://doi.org/10.3189/2013JoG13J068 |
geographic |
Antarctic East Antarctica South Pole |
geographic_facet |
Antarctic East Antarctica South Pole |
genre |
Antarc* Antarctic Antarctica East Antarctica ice core Ice Sheet Journal of Glaciology South pole South pole |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica ice core Ice Sheet Journal of Glaciology South pole South pole |
op_source |
http://dx.doi.org/10.3189/2013jog13j068 |
op_relation |
ARC Journal of Glaciology, 2013; 59(218):1117-1128 0022-1430 1727-5652 http://hdl.handle.net/2440/94924 doi:10.3189/2013JoG13J068 |
op_rights |
© 2014 Publishing Technology |
op_doi |
https://doi.org/10.3189/2013JoG13J06810.3189/2013jog13j068 |
container_title |
Journal of Glaciology |
container_volume |
59 |
container_issue |
218 |
container_start_page |
1117 |
op_container_end_page |
1128 |
_version_ |
1786165680801841152 |