Atmospheric oxygen 18 and sea-level changes
International audience Past isotopic composition of atmospheric oxygen (δ18Oatm) can be inferred from the analysis of air bubbles trapped in ice caps. The longest record covers the last 420 ka (thousand of years) at the Vostok site in East Antarctica. It shows a strong modulation by the precession a...
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ftccsdartic:oai:HAL:hal-02916219v1 2023-05-15T13:54:56+02:00 Atmospheric oxygen 18 and sea-level changes Jouzel, Jean Hoffmann, Georg Parrenin, Frédéric Waelbroeck, Claire 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) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) 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) Paléocéanographie (PALEOCEAN) 2002-01 https://hal.archives-ouvertes.fr/hal-02916219 https://doi.org/10.1016/S0277-3791(01)00106-8 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/S0277-3791(01)00106-8 hal-02916219 https://hal.archives-ouvertes.fr/hal-02916219 doi:10.1016/S0277-3791(01)00106-8 ISSN: 0277-3791 Quaternary Science Reviews https://hal.archives-ouvertes.fr/hal-02916219 Quaternary Science Reviews, Elsevier, 2002, 21 (1-3), pp.307-314. ⟨10.1016/S0277-3791(01)00106-8⟩ [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 2002 ftccsdartic https://doi.org/10.1016/S0277-3791(01)00106-8 2021-12-19T00:58:54Z International audience Past isotopic composition of atmospheric oxygen (δ18Oatm) can be inferred from the analysis of air bubbles trapped in ice caps. The longest record covers the last 420 ka (thousand of years) at the Vostok site in East Antarctica. It shows a strong modulation by the precession and striking similarities, but also noticeable differences, with the deep-sea core oxygen 18 record from which changes in the oxygen content of sea-water (δ18Osw) and in sea-level can be derived. Indeed, δ18Oatm is driven by complex fractionation processes occuring during respiration and photosynthesis. Both δ18Oatm and its difference with respect to δ18Osw (the Dole effect) are influenced by factors such as the ratio of oceanic and terrestrial productivities which may have significantly changed between different climates. Also, the response time of δ18Oatm to oceanic changes should be taken in consideration but this parameter itself depends on biospheric activity. We review the various aspects of the link between the δ18Oatm and the δ18Osw signals. We also examine the approach followed by Shackleton (Science (2000)) for deriving sea-level change from the δ18Oatm Vostok record, assuming that the phase between this record and insolation changes is constant and that the Dole effect is a fraction of the precessional component of the δ18Oatm signal. Glaciological constraints on the Vostok chronology and the complexity of the Dole effect show that those two assumptions are quite probably too simplistic. Article in Journal/Newspaper Antarc* Antarctica East Antarctica Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) East Antarctica Shackleton Quaternary Science Reviews 21 1-3 307 314 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
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 Jouzel, Jean Hoffmann, Georg Parrenin, Frédéric Waelbroeck, Claire Atmospheric oxygen 18 and sea-level changes |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
description |
International audience Past isotopic composition of atmospheric oxygen (δ18Oatm) can be inferred from the analysis of air bubbles trapped in ice caps. The longest record covers the last 420 ka (thousand of years) at the Vostok site in East Antarctica. It shows a strong modulation by the precession and striking similarities, but also noticeable differences, with the deep-sea core oxygen 18 record from which changes in the oxygen content of sea-water (δ18Osw) and in sea-level can be derived. Indeed, δ18Oatm is driven by complex fractionation processes occuring during respiration and photosynthesis. Both δ18Oatm and its difference with respect to δ18Osw (the Dole effect) are influenced by factors such as the ratio of oceanic and terrestrial productivities which may have significantly changed between different climates. Also, the response time of δ18Oatm to oceanic changes should be taken in consideration but this parameter itself depends on biospheric activity. We review the various aspects of the link between the δ18Oatm and the δ18Osw signals. We also examine the approach followed by Shackleton (Science (2000)) for deriving sea-level change from the δ18Oatm Vostok record, assuming that the phase between this record and insolation changes is constant and that the Dole effect is a fraction of the precessional component of the δ18Oatm signal. Glaciological constraints on the Vostok chronology and the complexity of the Dole effect show that those two assumptions are quite probably too simplistic. |
author2 |
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) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) 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) Paléocéanographie (PALEOCEAN) |
format |
Article in Journal/Newspaper |
author |
Jouzel, Jean Hoffmann, Georg Parrenin, Frédéric Waelbroeck, Claire |
author_facet |
Jouzel, Jean Hoffmann, Georg Parrenin, Frédéric Waelbroeck, Claire |
author_sort |
Jouzel, Jean |
title |
Atmospheric oxygen 18 and sea-level changes |
title_short |
Atmospheric oxygen 18 and sea-level changes |
title_full |
Atmospheric oxygen 18 and sea-level changes |
title_fullStr |
Atmospheric oxygen 18 and sea-level changes |
title_full_unstemmed |
Atmospheric oxygen 18 and sea-level changes |
title_sort |
atmospheric oxygen 18 and sea-level changes |
publisher |
HAL CCSD |
publishDate |
2002 |
url |
https://hal.archives-ouvertes.fr/hal-02916219 https://doi.org/10.1016/S0277-3791(01)00106-8 |
geographic |
East Antarctica Shackleton |
geographic_facet |
East Antarctica Shackleton |
genre |
Antarc* Antarctica East Antarctica |
genre_facet |
Antarc* Antarctica East Antarctica |
op_source |
ISSN: 0277-3791 Quaternary Science Reviews https://hal.archives-ouvertes.fr/hal-02916219 Quaternary Science Reviews, Elsevier, 2002, 21 (1-3), pp.307-314. ⟨10.1016/S0277-3791(01)00106-8⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/S0277-3791(01)00106-8 hal-02916219 https://hal.archives-ouvertes.fr/hal-02916219 doi:10.1016/S0277-3791(01)00106-8 |
op_doi |
https://doi.org/10.1016/S0277-3791(01)00106-8 |
container_title |
Quaternary Science Reviews |
container_volume |
21 |
container_issue |
1-3 |
container_start_page |
307 |
op_container_end_page |
314 |
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1766261145529745408 |