Homogeneous climate variability across East Antarctica over the past three glacial cycles
International audience Recent ice core studies have raised the disturbing possibility that glacial–interglacial climate changes may be non-uniform across Antarctica1,2. These findings have been confined to records from the Ross Sea sector of the continent, but significant deviations in other areas w...
Published in: | Nature |
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Language: | English |
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HAL CCSD
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Online Access: | https://hal.science/hal-03109939 https://doi.org/10.1038/nature01525 |
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Institut national des sciences de l'Univers: HAL-INSU |
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English |
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[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
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[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment Watanabe, O. Jouzel, J. Johnsen, S. Parrenin, F. Shoji, H. Yoshida, N. Homogeneous climate variability across East Antarctica over the past three glacial cycles |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment |
description |
International audience Recent ice core studies have raised the disturbing possibility that glacial–interglacial climate changes may be non-uniform across Antarctica1,2. These findings have been confined to records from the Ross Sea sector of the continent, but significant deviations in other areas would call into question the widely assumed validity of the climate record obtained from Vostok, East Antarctica, on large spatial scales3. Here we present an isotopic profile from a core drilled at Dome Fuji4,5, situated 1,500 km from Vostok in a different sector of East Antarctica. The two records show remarkable similarities over the past three glacial cycles (the extent of the Dome Fuji record) in both large-amplitude changes, such as terminations, interglacials and interstadials and more subtle glacial events, even when the origin of precipitation is accounted for. Our results indicate that Antarctic climate is essentially homogeneous at the scale of the East Antarctic Plateau, possibly as a consequence of the symmetry of the plateau and the adjacent ocean. |
author2 |
National Institute of Polar Research Tokyo (NiPR) 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) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) 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)) University of Copenhagen = Københavns Universitet (UCPH) Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Kitami Institute of Technology Frontier Collaborative Research Center (FCRC) Tokyo Institute of Technology Tokyo (TITECH) |
format |
Article in Journal/Newspaper |
author |
Watanabe, O. Jouzel, J. Johnsen, S. Parrenin, F. Shoji, H. Yoshida, N. |
author_facet |
Watanabe, O. Jouzel, J. Johnsen, S. Parrenin, F. Shoji, H. Yoshida, N. |
author_sort |
Watanabe, O. |
title |
Homogeneous climate variability across East Antarctica over the past three glacial cycles |
title_short |
Homogeneous climate variability across East Antarctica over the past three glacial cycles |
title_full |
Homogeneous climate variability across East Antarctica over the past three glacial cycles |
title_fullStr |
Homogeneous climate variability across East Antarctica over the past three glacial cycles |
title_full_unstemmed |
Homogeneous climate variability across East Antarctica over the past three glacial cycles |
title_sort |
homogeneous climate variability across east antarctica over the past three glacial cycles |
publisher |
HAL CCSD |
publishDate |
2003 |
url |
https://hal.science/hal-03109939 https://doi.org/10.1038/nature01525 |
genre |
Antarc* Antarctic Antarctica East Antarctica ice core Ross Sea |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica ice core Ross Sea |
op_source |
ISSN: 0028-0836 EISSN: 1476-4687 Nature https://hal.science/hal-03109939 Nature, 2003, 422 (6931), pp.509-512. ⟨10.1038/nature01525⟩ |
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info:eu-repo/semantics/altIdentifier/doi/10.1038/nature01525 hal-03109939 https://hal.science/hal-03109939 doi:10.1038/nature01525 |
op_doi |
https://doi.org/10.1038/nature01525 |
container_title |
Nature |
container_volume |
422 |
container_issue |
6931 |
container_start_page |
509 |
op_container_end_page |
512 |
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1797589542659686400 |
spelling |
ftinsu:oai:HAL:hal-03109939v1 2024-04-28T07:57:38+00:00 Homogeneous climate variability across East Antarctica over the past three glacial cycles Watanabe, O. Jouzel, J. Johnsen, S. Parrenin, F. Shoji, H. Yoshida, N. National Institute of Polar Research Tokyo (NiPR) 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) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) 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)) University of Copenhagen = Københavns Universitet (UCPH) Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Kitami Institute of Technology Frontier Collaborative Research Center (FCRC) Tokyo Institute of Technology Tokyo (TITECH) 2003-04 https://hal.science/hal-03109939 https://doi.org/10.1038/nature01525 en eng HAL CCSD Nature Publishing Group info:eu-repo/semantics/altIdentifier/doi/10.1038/nature01525 hal-03109939 https://hal.science/hal-03109939 doi:10.1038/nature01525 ISSN: 0028-0836 EISSN: 1476-4687 Nature https://hal.science/hal-03109939 Nature, 2003, 422 (6931), pp.509-512. ⟨10.1038/nature01525⟩ [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 2003 ftinsu https://doi.org/10.1038/nature01525 2024-04-05T00:38:39Z International audience Recent ice core studies have raised the disturbing possibility that glacial–interglacial climate changes may be non-uniform across Antarctica1,2. These findings have been confined to records from the Ross Sea sector of the continent, but significant deviations in other areas would call into question the widely assumed validity of the climate record obtained from Vostok, East Antarctica, on large spatial scales3. Here we present an isotopic profile from a core drilled at Dome Fuji4,5, situated 1,500 km from Vostok in a different sector of East Antarctica. The two records show remarkable similarities over the past three glacial cycles (the extent of the Dome Fuji record) in both large-amplitude changes, such as terminations, interglacials and interstadials and more subtle glacial events, even when the origin of precipitation is accounted for. Our results indicate that Antarctic climate is essentially homogeneous at the scale of the East Antarctic Plateau, possibly as a consequence of the symmetry of the plateau and the adjacent ocean. Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica ice core Ross Sea Institut national des sciences de l'Univers: HAL-INSU Nature 422 6931 509 512 |