Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern
International audience We investigated the evolution of anthropogenic CO2 (Cant) in the Antarctic Bottom Water in the Southern Indian Ocean since 1978 based on observations from 16 reocupations. We found that the Cant and the dissolved inorganic carbon increased at about the same rate over the 40-ye...
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ftepunivpsaclay:oai:HAL:hal-02569449v1 2024-05-19T07:30:58+00:00 Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern Mahieu, Léo Lo Monaco, Claire Metzl, Nicolas Fin, Jonathan Mignon, Claude School of Environmental Sciences Liverpool University of Liverpool Cycles biogéochimiques marins : processus et perturbations (CYBIOM) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) 2020 https://hal.science/hal-02569449 https://hal.science/hal-02569449/document https://hal.science/hal-02569449/file/Mahieu-os-2020-37.pdf https://doi.org/10.5194/os-2020-37 en eng HAL CCSD European Geosciences Union info:eu-repo/semantics/altIdentifier/doi/10.5194/os-2020-37 hal-02569449 https://hal.science/hal-02569449 https://hal.science/hal-02569449/document https://hal.science/hal-02569449/file/Mahieu-os-2020-37.pdf doi:10.5194/os-2020-37 info:eu-repo/semantics/OpenAccess ISSN: 1812-0784 EISSN: 1812-0792 Ocean Science https://hal.science/hal-02569449 Ocean Science, 2020, 16 (6), pp.1559-1576. ⟨10.5194/os-2020-37⟩ [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2020 ftepunivpsaclay https://doi.org/10.5194/os-2020-37 2024-04-25T00:48:38Z International audience We investigated the evolution of anthropogenic CO2 (Cant) in the Antarctic Bottom Water in the Southern Indian Ocean since 1978 based on observations from 16 reocupations. We found that the Cant and the dissolved inorganic carbon increased at about the same rate over the 40-years period. However, the data also show large interannual variations and a surprising stability of Cant in the last decade likely reflecting the variability of bottom waters formations and circulation in the Southern Ocean. Article in Journal/Newspaper Antarc* Antarctic Southern Ocean École Polytechnique, Université Paris-Saclay: HAL |
institution |
Open Polar |
collection |
École Polytechnique, Université Paris-Saclay: HAL |
op_collection_id |
ftepunivpsaclay |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Mahieu, Léo Lo Monaco, Claire Metzl, Nicolas Fin, Jonathan Mignon, Claude Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience We investigated the evolution of anthropogenic CO2 (Cant) in the Antarctic Bottom Water in the Southern Indian Ocean since 1978 based on observations from 16 reocupations. We found that the Cant and the dissolved inorganic carbon increased at about the same rate over the 40-years period. However, the data also show large interannual variations and a surprising stability of Cant in the last decade likely reflecting the variability of bottom waters formations and circulation in the Southern Ocean. |
author2 |
School of Environmental Sciences Liverpool University of Liverpool Cycles biogéochimiques marins : processus et perturbations (CYBIOM) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) |
format |
Article in Journal/Newspaper |
author |
Mahieu, Léo Lo Monaco, Claire Metzl, Nicolas Fin, Jonathan Mignon, Claude |
author_facet |
Mahieu, Léo Lo Monaco, Claire Metzl, Nicolas Fin, Jonathan Mignon, Claude |
author_sort |
Mahieu, Léo |
title |
Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern |
title_short |
Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern |
title_full |
Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern |
title_fullStr |
Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern |
title_full_unstemmed |
Variability and stability of anthropogenic CO 2 in Antarctic Bottom Waters observed in the Indian sector of the Southern |
title_sort |
variability and stability of anthropogenic co 2 in antarctic bottom waters observed in the indian sector of the southern |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://hal.science/hal-02569449 https://hal.science/hal-02569449/document https://hal.science/hal-02569449/file/Mahieu-os-2020-37.pdf https://doi.org/10.5194/os-2020-37 |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_source |
ISSN: 1812-0784 EISSN: 1812-0792 Ocean Science https://hal.science/hal-02569449 Ocean Science, 2020, 16 (6), pp.1559-1576. ⟨10.5194/os-2020-37⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/os-2020-37 hal-02569449 https://hal.science/hal-02569449 https://hal.science/hal-02569449/document https://hal.science/hal-02569449/file/Mahieu-os-2020-37.pdf doi:10.5194/os-2020-37 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/os-2020-37 |
_version_ |
1799468814553841664 |