Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial
International audience Sea surface temperatures (SSTs) were reconstructed over the last 25 000 yr using alkenone paleothermometry and planktonic foraminifera assemblages from two cores of the central Mediterranean Sea: the MD04-2797 core (Siculo–Tunisian channel) and the MD90-917 core (South Adriati...
Published in: | Climate of the Past |
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Language: | English |
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Online Access: | https://hal.science/hal-00839618 https://hal.science/hal-00839618/document https://hal.science/hal-00839618/file/cp-9-1375-2013.pdf https://doi.org/10.5194/cp-9-1375-2013 |
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ftceafr:oai:HAL:hal-00839618v1 2024-06-09T07:49:07+00:00 Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial Sicre, Marie-Alexandrine Siani, Giuseppe Genty, Dominique Kallel, Nejib Essallami, L. 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) Paléocéanographie (PALEOCEAN) 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)) Géosciences Paris Sud (GEOPS) Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) Unité GEOGLOB Faculté des Sciences de Sfax (FSS) Université de Sfax - University of Sfax-Université de Sfax - University of Sfax The publication of this article is financed by CNRS-INSU. 2013 https://hal.science/hal-00839618 https://hal.science/hal-00839618/document https://hal.science/hal-00839618/file/cp-9-1375-2013.pdf https://doi.org/10.5194/cp-9-1375-2013 en eng HAL CCSD European Geosciences Union (EGU) info:eu-repo/semantics/altIdentifier/doi/10.5194/cp-9-1375-2013 hal-00839618 https://hal.science/hal-00839618 https://hal.science/hal-00839618/document https://hal.science/hal-00839618/file/cp-9-1375-2013.pdf doi:10.5194/cp-9-1375-2013 WOS: 000322859700024 http://creativecommons.org/licenses/by-nc/ info:eu-repo/semantics/OpenAccess ISSN: 1814-9324 EISSN: 1814-9332 Climate of the Past https://hal.science/hal-00839618 Climate of the Past, 2013, 9 (3), pp.1375-1383. ⟨10.5194/cp-9-1375-2013⟩ Panoply [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2013 ftceafr https://doi.org/10.5194/cp-9-1375-2013 2024-05-16T14:55:00Z International audience Sea surface temperatures (SSTs) were reconstructed over the last 25 000 yr using alkenone paleothermometry and planktonic foraminifera assemblages from two cores of the central Mediterranean Sea: the MD04-2797 core (Siculo–Tunisian channel) and the MD90-917 core (South Adriatic Sea). Comparison of the centennial scale structure of the two temperature signals during the last deglaciation period reveals significant differences in timing and amplitude. We suggest that seasonal changes likely account for seemingly proxy record divergences during abrupt transitions from glacial to interglacial climates and for the apparent short duration of the Younger Dryas (YD) depicted by the alkenone time series, a feature that has already been stressed in earlier studies on the Mediterranean deglaciation. Article in Journal/Newspaper Planktonic foraminifera HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives) Climate of the Past 9 3 1375 1383 |
institution |
Open Polar |
collection |
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives) |
op_collection_id |
ftceafr |
language |
English |
topic |
Panoply [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
spellingShingle |
Panoply [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Sicre, Marie-Alexandrine Siani, Giuseppe Genty, Dominique Kallel, Nejib Essallami, L. Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial |
topic_facet |
Panoply [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience Sea surface temperatures (SSTs) were reconstructed over the last 25 000 yr using alkenone paleothermometry and planktonic foraminifera assemblages from two cores of the central Mediterranean Sea: the MD04-2797 core (Siculo–Tunisian channel) and the MD90-917 core (South Adriatic Sea). Comparison of the centennial scale structure of the two temperature signals during the last deglaciation period reveals significant differences in timing and amplitude. We suggest that seasonal changes likely account for seemingly proxy record divergences during abrupt transitions from glacial to interglacial climates and for the apparent short duration of the Younger Dryas (YD) depicted by the alkenone time series, a feature that has already been stressed in earlier studies on the Mediterranean deglaciation. |
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) Paléocéanographie (PALEOCEAN) 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)) Géosciences Paris Sud (GEOPS) Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS) Glaces et Continents, Climats et Isotopes Stables (GLACCIOS) Unité GEOGLOB Faculté des Sciences de Sfax (FSS) Université de Sfax - University of Sfax-Université de Sfax - University of Sfax The publication of this article is financed by CNRS-INSU. |
format |
Article in Journal/Newspaper |
author |
Sicre, Marie-Alexandrine Siani, Giuseppe Genty, Dominique Kallel, Nejib Essallami, L. |
author_facet |
Sicre, Marie-Alexandrine Siani, Giuseppe Genty, Dominique Kallel, Nejib Essallami, L. |
author_sort |
Sicre, Marie-Alexandrine |
title |
Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial |
title_short |
Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial |
title_full |
Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial |
title_fullStr |
Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial |
title_full_unstemmed |
Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglacial |
title_sort |
seemingly divergent sea surface temperature proxy records in the central mediterranean during the last deglacial |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal.science/hal-00839618 https://hal.science/hal-00839618/document https://hal.science/hal-00839618/file/cp-9-1375-2013.pdf https://doi.org/10.5194/cp-9-1375-2013 |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
ISSN: 1814-9324 EISSN: 1814-9332 Climate of the Past https://hal.science/hal-00839618 Climate of the Past, 2013, 9 (3), pp.1375-1383. ⟨10.5194/cp-9-1375-2013⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/cp-9-1375-2013 hal-00839618 https://hal.science/hal-00839618 https://hal.science/hal-00839618/document https://hal.science/hal-00839618/file/cp-9-1375-2013.pdf doi:10.5194/cp-9-1375-2013 WOS: 000322859700024 |
op_rights |
http://creativecommons.org/licenses/by-nc/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/cp-9-1375-2013 |
container_title |
Climate of the Past |
container_volume |
9 |
container_issue |
3 |
container_start_page |
1375 |
op_container_end_page |
1383 |
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1801381306751254528 |