Glacial to deglacial reservoir ages of surface waters in the southern South Pacific
Ocean sediment records document abrupt changes in glacial-to-deglacial circulation and mixing of the ocean, recorded as changes in 14C reservoir ages of surface waters. Here we present 14C-based high-resolution age records of four sediment cores from the western and eastern continental margins of th...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.922671 2023-05-15T14:04:57+02:00 Glacial to deglacial reservoir ages of surface waters in the southern South Pacific Küssner, Kevin Sarnthein, Michael Michel, Elisabeth Mollenhauer, Gesine Ronge, Thomas A Siani, Giuseppe Tiedemann, Ralf MEDIAN LATITUDE: -47.429242 * MEDIAN LONGITUDE: -128.688582 * SOUTH-BOUND LATITUDE: -52.659500 * WEST-BOUND LONGITUDE: 174.525500 * NORTH-BOUND LATITUDE: -44.769170 * EAST-BOUND LONGITUDE: -75.564830 * DATE/TIME START: 2007-02-11T18:32:00 * DATE/TIME END: 2016-04-02T21:09:00 2020-09-12 application/zip, 4 datasets https://doi.pangaea.de/10.1594/PANGAEA.922671 https://doi.org/10.1594/PANGAEA.922671 en eng PANGAEA Sarnthein, Michael; Küssner, Kevin; Grootes, Pieter Meiert; Ausín, Blanca; Eglinton, Timothy Ian; Muglia, Juan; Muscheler, Raimund; Schlolaut, Gordon (2020): Plateaus and jumps in the atmospheric radiocarbon record – Potential origin and value as global age markers for glacial-to-deglacial paleoceanography, a synthesis. Climate of the Past, 16, 2547–2571, https://doi.org/10.5194/cp-16-2547-2020 Sarnthein, Michael; Balmer, Sven; Grootes, Pieter Meiert; Mudelsee, Manfred (2015): Planktic and benthic 14C reservoir ages for three ocean basins, calibrated by a suite of 14C plateaus in the glacial-to-deglacial Suigetsu atmospheric 14C record. Radiocarbon, 57(1), 129-151, https://doi.org/10.2458/azu_rc.57.17916 Siani, Giuseppe; Michel, Elisabeth; De Pol-Holz, Ricardo; DeVries, Tim; Lamy, Frank; Carel, Mélanie; Isguder, Gulay; Dewilde, Fabien; Lourantou, Anna (2013): Carbon isotope records reveal precise timing of enhanced Southern Ocean upwelling during the last deglaciation. Nature Communications, 4, 1-9, https://doi.org/10.1038/ncomms3758 https://doi.pangaea.de/10.1594/PANGAEA.922671 https://doi.org/10.1594/PANGAEA.922671 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY 14C plateau tuning ages of tephra layers bipolar seesaw centennial-scale ocean variability deglacial variability GIK/IfG Institute for Geosciences Christian Albrechts University Kiel Last Glacial Maximum peak glacial sediment varves planktic 14C reservoir ages Radiocarbon chronology southern South Pacific Dataset 2020 ftpangaea https://doi.org/10.1594/PANGAEA.922671 https://doi.org/10.5194/cp-16-2547-2020 https://doi.org/10.2458/azu_rc.57.17916 https://doi.org/10.1038/ncomms3758 2023-01-20T07:34:38Z Ocean sediment records document abrupt changes in glacial-to-deglacial circulation and mixing of the ocean, recorded as changes in 14C reservoir ages of surface waters. Here we present 14C-based high-resolution age records of four sediment cores from the western and eastern continental margins of the South Pacific. Global correlation of centennial-scale ocean variability requires centennial-scale precision in age control which can be established by means of 14C plateau tuning. The accuracy and precision of plateau tuning are now confirmed in two sediment cores off Chile; in one core by independent land-based age control of four tephra layers, in a second core by a suite of peak glacial sediment varves. The results from the cores support the model of a bipolar seesaw at the onset of fast deglacial Antarctic warming, moreover, they show that the Antarctic Cold Reversal immediately preceded the onset of the Younger Dryas cold spell. During peak glacial times, high reservoir ages reaching up to ~1500 yr and paired ice-rafted debris and sediment laminations may reflect seasonal sea ice and/or a melt water lid at high latitudes off southern Chile, likewise east of Southern New Zealand. Dataset Antarc* Antarctic Sea ice PANGAEA - Data Publisher for Earth & Environmental Science Antarctic The Antarctic Pacific New Zealand ENVELOPE(174.525500,-75.564830,-44.769170,-52.659500) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
14C plateau tuning ages of tephra layers bipolar seesaw centennial-scale ocean variability deglacial variability GIK/IfG Institute for Geosciences Christian Albrechts University Kiel Last Glacial Maximum peak glacial sediment varves planktic 14C reservoir ages Radiocarbon chronology southern South Pacific |
spellingShingle |
14C plateau tuning ages of tephra layers bipolar seesaw centennial-scale ocean variability deglacial variability GIK/IfG Institute for Geosciences Christian Albrechts University Kiel Last Glacial Maximum peak glacial sediment varves planktic 14C reservoir ages Radiocarbon chronology southern South Pacific Küssner, Kevin Sarnthein, Michael Michel, Elisabeth Mollenhauer, Gesine Ronge, Thomas A Siani, Giuseppe Tiedemann, Ralf Glacial to deglacial reservoir ages of surface waters in the southern South Pacific |
topic_facet |
14C plateau tuning ages of tephra layers bipolar seesaw centennial-scale ocean variability deglacial variability GIK/IfG Institute for Geosciences Christian Albrechts University Kiel Last Glacial Maximum peak glacial sediment varves planktic 14C reservoir ages Radiocarbon chronology southern South Pacific |
description |
Ocean sediment records document abrupt changes in glacial-to-deglacial circulation and mixing of the ocean, recorded as changes in 14C reservoir ages of surface waters. Here we present 14C-based high-resolution age records of four sediment cores from the western and eastern continental margins of the South Pacific. Global correlation of centennial-scale ocean variability requires centennial-scale precision in age control which can be established by means of 14C plateau tuning. The accuracy and precision of plateau tuning are now confirmed in two sediment cores off Chile; in one core by independent land-based age control of four tephra layers, in a second core by a suite of peak glacial sediment varves. The results from the cores support the model of a bipolar seesaw at the onset of fast deglacial Antarctic warming, moreover, they show that the Antarctic Cold Reversal immediately preceded the onset of the Younger Dryas cold spell. During peak glacial times, high reservoir ages reaching up to ~1500 yr and paired ice-rafted debris and sediment laminations may reflect seasonal sea ice and/or a melt water lid at high latitudes off southern Chile, likewise east of Southern New Zealand. |
format |
Dataset |
author |
Küssner, Kevin Sarnthein, Michael Michel, Elisabeth Mollenhauer, Gesine Ronge, Thomas A Siani, Giuseppe Tiedemann, Ralf |
author_facet |
Küssner, Kevin Sarnthein, Michael Michel, Elisabeth Mollenhauer, Gesine Ronge, Thomas A Siani, Giuseppe Tiedemann, Ralf |
author_sort |
Küssner, Kevin |
title |
Glacial to deglacial reservoir ages of surface waters in the southern South Pacific |
title_short |
Glacial to deglacial reservoir ages of surface waters in the southern South Pacific |
title_full |
Glacial to deglacial reservoir ages of surface waters in the southern South Pacific |
title_fullStr |
Glacial to deglacial reservoir ages of surface waters in the southern South Pacific |
title_full_unstemmed |
Glacial to deglacial reservoir ages of surface waters in the southern South Pacific |
title_sort |
glacial to deglacial reservoir ages of surface waters in the southern south pacific |
publisher |
PANGAEA |
publishDate |
2020 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.922671 https://doi.org/10.1594/PANGAEA.922671 |
op_coverage |
MEDIAN LATITUDE: -47.429242 * MEDIAN LONGITUDE: -128.688582 * SOUTH-BOUND LATITUDE: -52.659500 * WEST-BOUND LONGITUDE: 174.525500 * NORTH-BOUND LATITUDE: -44.769170 * EAST-BOUND LONGITUDE: -75.564830 * DATE/TIME START: 2007-02-11T18:32:00 * DATE/TIME END: 2016-04-02T21:09:00 |
long_lat |
ENVELOPE(174.525500,-75.564830,-44.769170,-52.659500) |
geographic |
Antarctic The Antarctic Pacific New Zealand |
geographic_facet |
Antarctic The Antarctic Pacific New Zealand |
genre |
Antarc* Antarctic Sea ice |
genre_facet |
Antarc* Antarctic Sea ice |
op_relation |
Sarnthein, Michael; Küssner, Kevin; Grootes, Pieter Meiert; Ausín, Blanca; Eglinton, Timothy Ian; Muglia, Juan; Muscheler, Raimund; Schlolaut, Gordon (2020): Plateaus and jumps in the atmospheric radiocarbon record – Potential origin and value as global age markers for glacial-to-deglacial paleoceanography, a synthesis. Climate of the Past, 16, 2547–2571, https://doi.org/10.5194/cp-16-2547-2020 Sarnthein, Michael; Balmer, Sven; Grootes, Pieter Meiert; Mudelsee, Manfred (2015): Planktic and benthic 14C reservoir ages for three ocean basins, calibrated by a suite of 14C plateaus in the glacial-to-deglacial Suigetsu atmospheric 14C record. Radiocarbon, 57(1), 129-151, https://doi.org/10.2458/azu_rc.57.17916 Siani, Giuseppe; Michel, Elisabeth; De Pol-Holz, Ricardo; DeVries, Tim; Lamy, Frank; Carel, Mélanie; Isguder, Gulay; Dewilde, Fabien; Lourantou, Anna (2013): Carbon isotope records reveal precise timing of enhanced Southern Ocean upwelling during the last deglaciation. Nature Communications, 4, 1-9, https://doi.org/10.1038/ncomms3758 https://doi.pangaea.de/10.1594/PANGAEA.922671 https://doi.org/10.1594/PANGAEA.922671 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.922671 https://doi.org/10.5194/cp-16-2547-2020 https://doi.org/10.2458/azu_rc.57.17916 https://doi.org/10.1038/ncomms3758 |
_version_ |
1766276423667941376 |