Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization
International audience Producing independent and accurate chronologies for marine sediments is a prerequisite to understand the sequence of millennial‐scale events and reveal potential temporal offsets between marine and continental records, or between different marine records, possibly from differe...
Published in: | Paleoceanography and Paleoclimatology |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2019
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Subjects: | |
Online Access: | https://hal.archives-ouvertes.fr/hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133/document https://hal.archives-ouvertes.fr/hal-02407133/file/2018PA003444.pdf https://doi.org/10.1029/2018PA003444 |
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[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology Missiaen, Lise Waelbroeck, C. Pichat, S. Jaccard, Samuel L. Eynaud, Frédérique Greenop, R. Burke, A. Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
description |
International audience Producing independent and accurate chronologies for marine sediments is a prerequisite to understand the sequence of millennial‐scale events and reveal potential temporal offsets between marine and continental records, or between different marine records, possibly from different regions. The last 40 ky is a generally well‐constrained period since radiocarbon ( 14 C) can be used as an absolute dating tool. However, in the northern North Atlantic, calendar ages cannot be directly derived from 14 C ages, due to temporal and spatial variations of surface reservoir ages. Alternatively, chronologies can be derived by aligning Greenland ice‐core time series with marine surface records. Yet this approach suffers from the lack of clearly defined climatic events between 14.7 and 23.3 cal ky BP (hereafter ka), a crucial period encompassing Heinrich Stadial 1 and the onset of the last deglaciation. In this study, (i) we assess the benefits of 230 Th normalization to refine the sedimentation history between surface temperature alignment tie points and (ii) revisit the chronologies of three North Atlantic marine records. Our study supports the contention that the marked increase in the Greenland Ca 2+ record at 17.48 ka ± 0.21 ky (1σ) occurred withindating uncertainty of sea surface temperature cooling in the North Atlantic at the onset of Heinrich Stadial 1. This sharp feature might be useful for future chronostratigraphic alignments to remedy the lack of chronological constraint between 14.7 and 23.3 ka for North Atlantic marine records that are subject to large changes in 14 C surface reservoir age. |
author2 |
Laboratory of Molecular and Cellular Signaling Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Paléocéanographie (PALEOCEAN) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Laboratoire de Sciences de la Terre (LST) Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Claude Bernard Lyon 1 (UCBL) Université de Lyon-Université de Lyon-École normale supérieure - Lyon (ENS Lyon) Geological Institute (ETHZ) Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich) UMR 5805 Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC) Observatoire aquitain des sciences de l'univers (OASU) Université Sciences et Technologies - Bordeaux 1-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) European Project: 339108,EC:FP7:ERC,ERC-2013-ADG,ACCLIMATE(2014) |
format |
Article in Journal/Newspaper |
author |
Missiaen, Lise Waelbroeck, C. Pichat, S. Jaccard, Samuel L. Eynaud, Frédérique Greenop, R. Burke, A. |
author_facet |
Missiaen, Lise Waelbroeck, C. Pichat, S. Jaccard, Samuel L. Eynaud, Frédérique Greenop, R. Burke, A. |
author_sort |
Missiaen, Lise |
title |
Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization |
title_short |
Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization |
title_full |
Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization |
title_fullStr |
Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization |
title_full_unstemmed |
Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization |
title_sort |
improving north atlantic marine core chronologies using 230 th normalization |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.archives-ouvertes.fr/hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133/document https://hal.archives-ouvertes.fr/hal-02407133/file/2018PA003444.pdf https://doi.org/10.1029/2018PA003444 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Greenland ice core ice core North Atlantic |
genre_facet |
Greenland Greenland ice core ice core North Atlantic |
op_source |
ISSN: 2572-4525 EISSN: 1944-9186 Paleoceanography and Paleoclimatology https://hal.archives-ouvertes.fr/hal-02407133 Paleoceanography and Paleoclimatology, American Geophysical Union, 2019, 34 (7), pp.1057-1073. ⟨10.1029/2018PA003444⟩ |
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info:eu-repo/semantics/altIdentifier/doi/10.1029/2018PA003444 info:eu-repo/grantAgreement/EC/FP7/339108/EU/Elucidating the Causes and Effects of Atlantic Circulation Changes through Model-Data Integration/ACCLIMATE hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133/document https://hal.archives-ouvertes.fr/hal-02407133/file/2018PA003444.pdf WOS: 000481820300002 doi:10.1029/2018PA003444 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2018PA003444 |
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Paleoceanography and Paleoclimatology |
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34 |
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7 |
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1057 |
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ftccsdartic:oai:HAL:hal-02407133v1 2023-05-15T16:28:21+02:00 Improving North Atlantic Marine Core Chronologies Using 230 Th Normalization Missiaen, Lise Waelbroeck, C. Pichat, S. Jaccard, Samuel L. Eynaud, Frédérique Greenop, R. Burke, A. Laboratory of Molecular and Cellular Signaling Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven) Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Paléocéanographie (PALEOCEAN) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ) Laboratoire de Sciences de la Terre (LST) Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Claude Bernard Lyon 1 (UCBL) Université de Lyon-Université de Lyon-École normale supérieure - Lyon (ENS Lyon) Geological Institute (ETHZ) Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich) UMR 5805 Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC) Observatoire aquitain des sciences de l'univers (OASU) Université Sciences et Technologies - Bordeaux 1-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) European Project: 339108,EC:FP7:ERC,ERC-2013-ADG,ACCLIMATE(2014) 2019-07-30 https://hal.archives-ouvertes.fr/hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133/document https://hal.archives-ouvertes.fr/hal-02407133/file/2018PA003444.pdf https://doi.org/10.1029/2018PA003444 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2018PA003444 info:eu-repo/grantAgreement/EC/FP7/339108/EU/Elucidating the Causes and Effects of Atlantic Circulation Changes through Model-Data Integration/ACCLIMATE hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133 https://hal.archives-ouvertes.fr/hal-02407133/document https://hal.archives-ouvertes.fr/hal-02407133/file/2018PA003444.pdf WOS: 000481820300002 doi:10.1029/2018PA003444 info:eu-repo/semantics/OpenAccess ISSN: 2572-4525 EISSN: 1944-9186 Paleoceanography and Paleoclimatology https://hal.archives-ouvertes.fr/hal-02407133 Paleoceanography and Paleoclimatology, American Geophysical Union, 2019, 34 (7), pp.1057-1073. ⟨10.1029/2018PA003444⟩ [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology info:eu-repo/semantics/article Journal articles 2019 ftccsdartic https://doi.org/10.1029/2018PA003444 2021-12-19T00:49:49Z International audience Producing independent and accurate chronologies for marine sediments is a prerequisite to understand the sequence of millennial‐scale events and reveal potential temporal offsets between marine and continental records, or between different marine records, possibly from different regions. The last 40 ky is a generally well‐constrained period since radiocarbon ( 14 C) can be used as an absolute dating tool. However, in the northern North Atlantic, calendar ages cannot be directly derived from 14 C ages, due to temporal and spatial variations of surface reservoir ages. Alternatively, chronologies can be derived by aligning Greenland ice‐core time series with marine surface records. Yet this approach suffers from the lack of clearly defined climatic events between 14.7 and 23.3 cal ky BP (hereafter ka), a crucial period encompassing Heinrich Stadial 1 and the onset of the last deglaciation. In this study, (i) we assess the benefits of 230 Th normalization to refine the sedimentation history between surface temperature alignment tie points and (ii) revisit the chronologies of three North Atlantic marine records. Our study supports the contention that the marked increase in the Greenland Ca 2+ record at 17.48 ka ± 0.21 ky (1σ) occurred withindating uncertainty of sea surface temperature cooling in the North Atlantic at the onset of Heinrich Stadial 1. This sharp feature might be useful for future chronostratigraphic alignments to remedy the lack of chronological constraint between 14.7 and 23.3 ka for North Atlantic marine records that are subject to large changes in 14 C surface reservoir age. Article in Journal/Newspaper Greenland Greenland ice core ice core North Atlantic Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Greenland Paleoceanography and Paleoclimatology 34 7 1057 1073 |