A coupled model for carbon and radiocarbon evolution during the last deglaciation
International audience Changes in the ventilation of the Southern Ocean are thought to play an important role on deglacial carbon and radiocarbon evolution but have not been tested within a coupled climate-carbon model. Here we present such a simulation based on a simple scenario of transient deglac...
Published in: | Geophysical Research Letters |
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Online Access: | https://hal.science/hal-01587469 https://hal.science/hal-01587469v1/document https://hal.science/hal-01587469v1/file/2015GL067489.pdf https://doi.org/10.1002/2015GL067489 |
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ftuniparissaclay:oai:HAL:hal-01587469v1 2024-10-13T14:02:48+00:00 A coupled model for carbon and radiocarbon evolution during the last deglaciation Mariotti, Véronique Paillard, Didier Bopp, Laurent Roche, Didier M. Bouttes, Nathaëlle Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) 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)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Modélisation du climat (CLIM) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-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)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Environnements et Paléoenvironnements OCéaniques (EPOC) Observatoire aquitain des sciences de l'univers (OASU) Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1 (UB)-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) 2016-02-16 https://hal.science/hal-01587469 https://hal.science/hal-01587469v1/document https://hal.science/hal-01587469v1/file/2015GL067489.pdf https://doi.org/10.1002/2015GL067489 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1002/2015GL067489 doi:10.1002/2015GL067489 info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-01587469 Geophysical Research Letters, 2016, 43 (3), pp.1306-1313. ⟨10.1002/2015GL067489⟩ [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment info:eu-repo/semantics/article Journal articles 2016 ftuniparissaclay https://doi.org/10.1002/2015GL067489 2024-09-26T23:49:48Z International audience Changes in the ventilation of the Southern Ocean are thought to play an important role on deglacial carbon and radiocarbon evolution but have not been tested within a coupled climate-carbon model. Here we present such a simulation based on a simple scenario of transient deglacial sinking of brines-sea ice salt rejections-around Antarctica, which modulates Southern Ocean ventilation. This experiment is able to reproduce deglacial atmospheric changes in carbon and radiocarbon and also ocean radiocarbon records measured in the Atlantic, Southern, and Pacific Oceans. Simulated for the first time in a fully coupled climate-carbon model of intermediate complexity including radiocarbon, our modeling results suggest that the deglacial changes in atmospheric carbon dioxide and radiocarbon were achieved by means of a breakdown in the glacial brine-induced stratification of the Southern Ocean. Article in Journal/Newspaper Antarc* Antarctica Sea ice Southern Ocean Archives ouvertes de Paris-Saclay Pacific Southern Ocean Geophysical Research Letters 43 3 1306 1313 |
institution |
Open Polar |
collection |
Archives ouvertes de Paris-Saclay |
op_collection_id |
ftuniparissaclay |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment Mariotti, Véronique Paillard, Didier Bopp, Laurent Roche, Didier M. Bouttes, Nathaëlle A coupled model for carbon and radiocarbon evolution during the last deglaciation |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
description |
International audience Changes in the ventilation of the Southern Ocean are thought to play an important role on deglacial carbon and radiocarbon evolution but have not been tested within a coupled climate-carbon model. Here we present such a simulation based on a simple scenario of transient deglacial sinking of brines-sea ice salt rejections-around Antarctica, which modulates Southern Ocean ventilation. This experiment is able to reproduce deglacial atmospheric changes in carbon and radiocarbon and also ocean radiocarbon records measured in the Atlantic, Southern, and Pacific Oceans. Simulated for the first time in a fully coupled climate-carbon model of intermediate complexity including radiocarbon, our modeling results suggest that the deglacial changes in atmospheric carbon dioxide and radiocarbon were achieved by means of a breakdown in the glacial brine-induced stratification of the Southern Ocean. |
author2 |
Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) 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)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Modélisation du climat (CLIM) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-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)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Environnements et Paléoenvironnements OCéaniques (EPOC) Observatoire aquitain des sciences de l'univers (OASU) Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1 (UB)-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) |
format |
Article in Journal/Newspaper |
author |
Mariotti, Véronique Paillard, Didier Bopp, Laurent Roche, Didier M. Bouttes, Nathaëlle |
author_facet |
Mariotti, Véronique Paillard, Didier Bopp, Laurent Roche, Didier M. Bouttes, Nathaëlle |
author_sort |
Mariotti, Véronique |
title |
A coupled model for carbon and radiocarbon evolution during the last deglaciation |
title_short |
A coupled model for carbon and radiocarbon evolution during the last deglaciation |
title_full |
A coupled model for carbon and radiocarbon evolution during the last deglaciation |
title_fullStr |
A coupled model for carbon and radiocarbon evolution during the last deglaciation |
title_full_unstemmed |
A coupled model for carbon and radiocarbon evolution during the last deglaciation |
title_sort |
coupled model for carbon and radiocarbon evolution during the last deglaciation |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal.science/hal-01587469 https://hal.science/hal-01587469v1/document https://hal.science/hal-01587469v1/file/2015GL067489.pdf https://doi.org/10.1002/2015GL067489 |
geographic |
Pacific Southern Ocean |
geographic_facet |
Pacific Southern Ocean |
genre |
Antarc* Antarctica Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctica Sea ice Southern Ocean |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-01587469 Geophysical Research Letters, 2016, 43 (3), pp.1306-1313. ⟨10.1002/2015GL067489⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1002/2015GL067489 doi:10.1002/2015GL067489 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1002/2015GL067489 |
container_title |
Geophysical Research Letters |
container_volume |
43 |
container_issue |
3 |
container_start_page |
1306 |
op_container_end_page |
1313 |
_version_ |
1812819272794112000 |