Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ...
Changes in ocean ventilation have been pivotal in regulating carbon sequestration and release on centennial to millennial timescales. However, paleoceanographic reconstructions documenting changes in deep-ocean ventilation using 14C dating, may bear multidimensional explanations, obfuscating the rol...
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Online Access: | https://dx.doi.org/10.48350/184108 https://boris.unibe.ch/184108/ |
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ftdatacite:10.48350/184108 2023-07-23T04:20:27+02:00 Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... Liu, Jingyu Wang, Yipeng Jaccard, Samuel L Wang, Nan Gong, Xun Fang, Nianqiao Bao, Rui 2023 https://dx.doi.org/10.48350/184108 https://boris.unibe.ch/184108/ unknown Nature Publishing Group https://dx.doi.org/10.1038/s41467-023-39490-6 open access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 http://purl.org/coar/access_right/c_abf2 550 Geowissenschaften, Geologie Text journal article ScholarlyArticle article-journal 2023 ftdatacite https://doi.org/10.48350/18410810.1038/s41467-023-39490-6 2023-07-03T21:51:40Z Changes in ocean ventilation have been pivotal in regulating carbon sequestration and release on centennial to millennial timescales. However, paleoceanographic reconstructions documenting changes in deep-ocean ventilation using 14C dating, may bear multidimensional explanations, obfuscating the roles of ocean ventilation played on climate evolution. Here, we show that previously inferred poorly ventilated conditions in the North Atlantic were linked to enhanced pre-aged organic carbon (OC) input during Heinrich Stadial 1 (HS1). The 14C age of sedimentary OC was approximately 13,345 ± 692 years older than the coeval foraminifera in the central North Atlantic during HS1, which is coupled to a ventilation age of 5,169 ± 660 years. Old OC was mainly of terrigenous origin and exported to the North Atlantic by ice-rafting. Remineralization of old terrigenous OC in the ocean may have contributed to, at least in part, the anomalously old ventilation ages reported for the high-latitude North Atlantic during HS1. ... Text North Atlantic DataCite Metadata Store (German National Library of Science and Technology) |
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550 Geowissenschaften, Geologie |
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550 Geowissenschaften, Geologie Liu, Jingyu Wang, Yipeng Jaccard, Samuel L Wang, Nan Gong, Xun Fang, Nianqiao Bao, Rui Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... |
topic_facet |
550 Geowissenschaften, Geologie |
description |
Changes in ocean ventilation have been pivotal in regulating carbon sequestration and release on centennial to millennial timescales. However, paleoceanographic reconstructions documenting changes in deep-ocean ventilation using 14C dating, may bear multidimensional explanations, obfuscating the roles of ocean ventilation played on climate evolution. Here, we show that previously inferred poorly ventilated conditions in the North Atlantic were linked to enhanced pre-aged organic carbon (OC) input during Heinrich Stadial 1 (HS1). The 14C age of sedimentary OC was approximately 13,345 ± 692 years older than the coeval foraminifera in the central North Atlantic during HS1, which is coupled to a ventilation age of 5,169 ± 660 years. Old OC was mainly of terrigenous origin and exported to the North Atlantic by ice-rafting. Remineralization of old terrigenous OC in the ocean may have contributed to, at least in part, the anomalously old ventilation ages reported for the high-latitude North Atlantic during HS1. ... |
format |
Text |
author |
Liu, Jingyu Wang, Yipeng Jaccard, Samuel L Wang, Nan Gong, Xun Fang, Nianqiao Bao, Rui |
author_facet |
Liu, Jingyu Wang, Yipeng Jaccard, Samuel L Wang, Nan Gong, Xun Fang, Nianqiao Bao, Rui |
author_sort |
Liu, Jingyu |
title |
Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... |
title_short |
Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... |
title_full |
Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... |
title_fullStr |
Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... |
title_full_unstemmed |
Pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the North Atlantic. ... |
title_sort |
pre-aged terrigenous organic carbon biases ocean ventilation-age reconstructions in the north atlantic. ... |
publisher |
Nature Publishing Group |
publishDate |
2023 |
url |
https://dx.doi.org/10.48350/184108 https://boris.unibe.ch/184108/ |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://dx.doi.org/10.1038/s41467-023-39490-6 |
op_rights |
open access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 http://purl.org/coar/access_right/c_abf2 |
op_doi |
https://doi.org/10.48350/18410810.1038/s41467-023-39490-6 |
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1772184771346038784 |