Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ...
The Atlantic Meridional Overturning Circulation (AMOC) helps regulate the transport and storage of a large reservoir of heat and carbon, and therefore plays an essential role in climate change past and present1. Authigenic uranium deposition in deep-sea sediments is a sensitive redox tracer2,3 that...
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Online Access: | https://dx.doi.org/10.1594/pangaea.928967 https://doi.pangaea.de/10.1594/PANGAEA.928967 |
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ftdatacite:10.1594/pangaea.928967 2024-04-28T08:29:30+00:00 Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... Zhou, Yuxin McManus, Jerry F 2024 application/zip https://dx.doi.org/10.1594/pangaea.928967 https://doi.pangaea.de/10.1594/PANGAEA.928967 unknown PANGAEA https://figshare.com/s/2223e286a5797e471e50 https://dx.doi.org/10.1016/j.quascirev.2022.107914 https://figshare.com/s/2223e286a5797e471e50 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 authigenic uranium North Atlantic paleoceanography Lamont-Doherty Earth Observatory, Columbia University LDEO article Bundled Publication of Datasets Collection 2024 ftdatacite https://doi.org/10.1594/pangaea.92896710.1016/j.quascirev.2022.107914 2024-04-02T11:56:32Z The Atlantic Meridional Overturning Circulation (AMOC) helps regulate the transport and storage of a large reservoir of heat and carbon, and therefore plays an essential role in climate change past and present1. Authigenic uranium deposition in deep-sea sediments is a sensitive redox tracer2,3 that can shed light on bottom water oxygen, carbon storage and, in certain circumstances, water mass distributions in the deep ocean4-7. Here, we combine new and published authigenic uranium data to reconstruct oxygenation since the last ice age in the east and west basins of the North Atlantic Ocean. Overall, the glacial deep North Atlantic was less well oxygenated compared to the Holocene, suggesting a higher ocean carbon inventory and important contribution to the global sequestration of CO2. We find that lower oxygen levels occurred in the deepest locations in the western basin, while substantially lower-oxygen waters were present throughout the northeast Atlantic. Our findings indicate that lower oxygen levels and ... Article in Journal/Newspaper North Atlantic Northeast Atlantic DataCite Metadata Store (German National Library of Science and Technology) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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topic |
authigenic uranium North Atlantic paleoceanography Lamont-Doherty Earth Observatory, Columbia University LDEO |
spellingShingle |
authigenic uranium North Atlantic paleoceanography Lamont-Doherty Earth Observatory, Columbia University LDEO Zhou, Yuxin McManus, Jerry F Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... |
topic_facet |
authigenic uranium North Atlantic paleoceanography Lamont-Doherty Earth Observatory, Columbia University LDEO |
description |
The Atlantic Meridional Overturning Circulation (AMOC) helps regulate the transport and storage of a large reservoir of heat and carbon, and therefore plays an essential role in climate change past and present1. Authigenic uranium deposition in deep-sea sediments is a sensitive redox tracer2,3 that can shed light on bottom water oxygen, carbon storage and, in certain circumstances, water mass distributions in the deep ocean4-7. Here, we combine new and published authigenic uranium data to reconstruct oxygenation since the last ice age in the east and west basins of the North Atlantic Ocean. Overall, the glacial deep North Atlantic was less well oxygenated compared to the Holocene, suggesting a higher ocean carbon inventory and important contribution to the global sequestration of CO2. We find that lower oxygen levels occurred in the deepest locations in the western basin, while substantially lower-oxygen waters were present throughout the northeast Atlantic. Our findings indicate that lower oxygen levels and ... |
format |
Article in Journal/Newspaper |
author |
Zhou, Yuxin McManus, Jerry F |
author_facet |
Zhou, Yuxin McManus, Jerry F |
author_sort |
Zhou, Yuxin |
title |
Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... |
title_short |
Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... |
title_full |
Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... |
title_fullStr |
Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... |
title_full_unstemmed |
Compilation of new and published authigenic uranium data from the North Atlantic during the last glacial/deglaciation and Holocene ... |
title_sort |
compilation of new and published authigenic uranium data from the north atlantic during the last glacial/deglaciation and holocene ... |
publisher |
PANGAEA |
publishDate |
2024 |
url |
https://dx.doi.org/10.1594/pangaea.928967 https://doi.pangaea.de/10.1594/PANGAEA.928967 |
genre |
North Atlantic Northeast Atlantic |
genre_facet |
North Atlantic Northeast Atlantic |
op_relation |
https://figshare.com/s/2223e286a5797e471e50 https://dx.doi.org/10.1016/j.quascirev.2022.107914 https://figshare.com/s/2223e286a5797e471e50 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.1594/pangaea.92896710.1016/j.quascirev.2022.107914 |
_version_ |
1797587684439359488 |