Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP
This study aims at refining the synchronisation between the EPICA Dome C (EDC) and Vostok ice cores in the time interval 0–145 kyr BP by using the volcanic signatures. 102 common volcanic events were identified by using continuous electrical conductivity (ECM), di-electrical profiling (DEP) and sulf...
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ftdoajarticles:oai:doaj.org/article:fb6680045e79436faeadfb91fdfb667a 2023-05-15T14:04:12+02:00 Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP R. Udisti D. Veres M. Severi J. Schwander V. Lipenkov S. O. Rasmussen J. Jouzel I. Basile-Doelsch E. Wolff V. Masson-Delmotte J.-R. Petit F. Parrenin B. M. Vinther 2012-06-01T00:00:00Z https://doi.org/10.5194/cp-8-1031-2012 https://doaj.org/article/fb6680045e79436faeadfb91fdfb667a EN eng Copernicus Publications http://www.clim-past.net/8/1031/2012/cp-8-1031-2012.pdf https://doaj.org/toc/1814-9324 https://doaj.org/toc/1814-9332 doi:10.5194/cp-8-1031-2012 1814-9324 1814-9332 https://doaj.org/article/fb6680045e79436faeadfb91fdfb667a Climate of the Past, Vol 8, Iss 3, Pp 1031-1045 (2012) Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 article 2012 ftdoajarticles https://doi.org/10.5194/cp-8-1031-2012 2022-12-30T23:32:01Z This study aims at refining the synchronisation between the EPICA Dome C (EDC) and Vostok ice cores in the time interval 0–145 kyr BP by using the volcanic signatures. 102 common volcanic events were identified by using continuous electrical conductivity (ECM), di-electrical profiling (DEP) and sulfate measurements while trying to minimize the distortion of the glaciological chronologies. This is an update and a continuation of previous works performed over the 0–45 kyr interval that provided 56 tie points to the ice core chronologies (Udisti et al., 2004). This synchronisation will serve to establish Antarctic Ice Core Chronology 2012, the next synchronised Antarctic dating. A change of slope in the EDC-depth/Vostok-depth diagram is probably related to a change of accumulation regime as well as to a change of ice thickness upstream of the Lake Vostok, but we did not invoke any significant temporal change of surface accumulation at EDC relative to Vostok. No significant phase difference is detected between the EDC and Vostok isotopic records, but depth shifts between the Vostok 3G and 5G ice cores prevent from looking at this problem accurately. Three possible candidates for the Toba volcanic super-eruption ~73 kyr ago are suggested in the Vostok and EDC volcanic records. Neither the ECM, DEP nor the sulfate fingerprints for these 3 events are significantly larger than many others in the records. Article in Journal/Newspaper Antarc* Antarctic Antarctica EPICA ice core Directory of Open Access Journals: DOAJ Articles Antarctic Lake Vostok ENVELOPE(106.000,106.000,-77.500,-77.500) Climate of the Past 8 3 1031 1045 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 |
spellingShingle |
Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 R. Udisti D. Veres M. Severi J. Schwander V. Lipenkov S. O. Rasmussen J. Jouzel I. Basile-Doelsch E. Wolff V. Masson-Delmotte J.-R. Petit F. Parrenin B. M. Vinther Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP |
topic_facet |
Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 |
description |
This study aims at refining the synchronisation between the EPICA Dome C (EDC) and Vostok ice cores in the time interval 0–145 kyr BP by using the volcanic signatures. 102 common volcanic events were identified by using continuous electrical conductivity (ECM), di-electrical profiling (DEP) and sulfate measurements while trying to minimize the distortion of the glaciological chronologies. This is an update and a continuation of previous works performed over the 0–45 kyr interval that provided 56 tie points to the ice core chronologies (Udisti et al., 2004). This synchronisation will serve to establish Antarctic Ice Core Chronology 2012, the next synchronised Antarctic dating. A change of slope in the EDC-depth/Vostok-depth diagram is probably related to a change of accumulation regime as well as to a change of ice thickness upstream of the Lake Vostok, but we did not invoke any significant temporal change of surface accumulation at EDC relative to Vostok. No significant phase difference is detected between the EDC and Vostok isotopic records, but depth shifts between the Vostok 3G and 5G ice cores prevent from looking at this problem accurately. Three possible candidates for the Toba volcanic super-eruption ~73 kyr ago are suggested in the Vostok and EDC volcanic records. Neither the ECM, DEP nor the sulfate fingerprints for these 3 events are significantly larger than many others in the records. |
format |
Article in Journal/Newspaper |
author |
R. Udisti D. Veres M. Severi J. Schwander V. Lipenkov S. O. Rasmussen J. Jouzel I. Basile-Doelsch E. Wolff V. Masson-Delmotte J.-R. Petit F. Parrenin B. M. Vinther |
author_facet |
R. Udisti D. Veres M. Severi J. Schwander V. Lipenkov S. O. Rasmussen J. Jouzel I. Basile-Doelsch E. Wolff V. Masson-Delmotte J.-R. Petit F. Parrenin B. M. Vinther |
author_sort |
R. Udisti |
title |
Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP |
title_short |
Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP |
title_full |
Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP |
title_fullStr |
Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP |
title_full_unstemmed |
Volcanic synchronisation between the EPICA Dome C and Vostok ice cores (Antarctica) 0–145 kyr BP |
title_sort |
volcanic synchronisation between the epica dome c and vostok ice cores (antarctica) 0–145 kyr bp |
publisher |
Copernicus Publications |
publishDate |
2012 |
url |
https://doi.org/10.5194/cp-8-1031-2012 https://doaj.org/article/fb6680045e79436faeadfb91fdfb667a |
long_lat |
ENVELOPE(106.000,106.000,-77.500,-77.500) |
geographic |
Antarctic Lake Vostok |
geographic_facet |
Antarctic Lake Vostok |
genre |
Antarc* Antarctic Antarctica EPICA ice core |
genre_facet |
Antarc* Antarctic Antarctica EPICA ice core |
op_source |
Climate of the Past, Vol 8, Iss 3, Pp 1031-1045 (2012) |
op_relation |
http://www.clim-past.net/8/1031/2012/cp-8-1031-2012.pdf https://doaj.org/toc/1814-9324 https://doaj.org/toc/1814-9332 doi:10.5194/cp-8-1031-2012 1814-9324 1814-9332 https://doaj.org/article/fb6680045e79436faeadfb91fdfb667a |
op_doi |
https://doi.org/10.5194/cp-8-1031-2012 |
container_title |
Climate of the Past |
container_volume |
8 |
container_issue |
3 |
container_start_page |
1031 |
op_container_end_page |
1045 |
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1766275219156107264 |