ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ...
From 1.25 to 700,000 million years ago, the ice age cycle deepened and lengthened from 41,000- to 100,000-year periodicity, a transition that remains unexplained. Using surface- and bottom-dwelling foraminifera from the Antarctic Zone of the Southern Ocean to reconstruct the deep-to-surface supply o...
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ftdatacite:10.7892/boris.127004 2024-09-30T14:26:49+00:00 ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... Sigman, Daniel M. Haug, Gerald H. Vance, D. Bernasconi, Stefano M. Haumann, F. Alexander Martinez-Garcia, A. Hasenfratz, Adam Jaccard, Samuel Kleiven, Helga Kikki F. Hodell, David A. 2019 application/vnd.openxmlformats-officedocument.spreadsheetml.sheet https://dx.doi.org/10.7892/boris.127004 https://boris.unibe.ch/127004/ en eng (:null) info:eu-repo/semantics/openAccess 550 Earth sciences & geology CreativeWork Workflow article 2019 ftdatacite https://doi.org/10.7892/boris.127004 2024-09-02T10:17:31Z From 1.25 to 700,000 million years ago, the ice age cycle deepened and lengthened from 41,000- to 100,000-year periodicity, a transition that remains unexplained. Using surface- and bottom-dwelling foraminifera from the Antarctic Zone of the Southern Ocean to reconstruct the deep-to-surface supply of water during the ice ages of the past 1.5 million years, we found that a reduction in deep water supply and a concomitant freshening of the surface ocean coincided with the emergence of the high-amplitude 100,000-year glacial cycle. We propose that this slowing of deep-to-surface circulation (i.e. a longer residence time for Antarctic surface waters) prolonged ice ages by allowing the Antarctic halocline to strengthen, which increased the resistance of the Antarctic upper water column to orbitally paced drivers of carbon dioxide release. ... Article in Journal/Newspaper Antarc* Antarctic Southern Ocean DataCite Antarctic Southern Ocean The Antarctic |
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ftdatacite |
language |
English |
topic |
550 Earth sciences & geology |
spellingShingle |
550 Earth sciences & geology Sigman, Daniel M. Haug, Gerald H. Vance, D. Bernasconi, Stefano M. Haumann, F. Alexander Martinez-Garcia, A. Hasenfratz, Adam Jaccard, Samuel Kleiven, Helga Kikki F. Hodell, David A. ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... |
topic_facet |
550 Earth sciences & geology |
description |
From 1.25 to 700,000 million years ago, the ice age cycle deepened and lengthened from 41,000- to 100,000-year periodicity, a transition that remains unexplained. Using surface- and bottom-dwelling foraminifera from the Antarctic Zone of the Southern Ocean to reconstruct the deep-to-surface supply of water during the ice ages of the past 1.5 million years, we found that a reduction in deep water supply and a concomitant freshening of the surface ocean coincided with the emergence of the high-amplitude 100,000-year glacial cycle. We propose that this slowing of deep-to-surface circulation (i.e. a longer residence time for Antarctic surface waters) prolonged ice ages by allowing the Antarctic halocline to strengthen, which increased the resistance of the Antarctic upper water column to orbitally paced drivers of carbon dioxide release. ... |
format |
Article in Journal/Newspaper |
author |
Sigman, Daniel M. Haug, Gerald H. Vance, D. Bernasconi, Stefano M. Haumann, F. Alexander Martinez-Garcia, A. Hasenfratz, Adam Jaccard, Samuel Kleiven, Helga Kikki F. Hodell, David A. |
author_facet |
Sigman, Daniel M. Haug, Gerald H. Vance, D. Bernasconi, Stefano M. Haumann, F. Alexander Martinez-Garcia, A. Hasenfratz, Adam Jaccard, Samuel Kleiven, Helga Kikki F. Hodell, David A. |
author_sort |
Sigman, Daniel M. |
title |
ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... |
title_short |
ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... |
title_full |
ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... |
title_fullStr |
ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... |
title_full_unstemmed |
ODP 1094 downcore data from the publication "The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle" ... |
title_sort |
odp 1094 downcore data from the publication "the residence time of southern ocean surface waters and the 100,000-year ice age cycle" ... |
publisher |
(:null) |
publishDate |
2019 |
url |
https://dx.doi.org/10.7892/boris.127004 https://boris.unibe.ch/127004/ |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.7892/boris.127004 |
_version_ |
1811632937739747328 |