Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years
International audience The Bay of Quiberon (NW France), which is protected by the Quiberon Peninsula, provides well-preserved sedimentary archives for high-resolution reconstruction of Holocene climate variability. Very-high-resolution seismic profiles were obtained from two Seistec boomer seismic c...
Published in: | The Holocene |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2014
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Online Access: | https://hal.science/hal-01108491 https://doi.org/10.1177/0959683614526933 |
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Normandie Université: HAL |
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English |
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[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy [SDE.MCG]Environmental Sciences/Global Changes |
spellingShingle |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy [SDE.MCG]Environmental Sciences/Global Changes Baltzer, A. Walter-Simonnet, A.V. Mokeddem, Z. Tessier, Bernadette Goubert, Evelyne Cassen, Serge Diffo, A. Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years |
topic_facet |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy [SDE.MCG]Environmental Sciences/Global Changes |
description |
International audience The Bay of Quiberon (NW France), which is protected by the Quiberon Peninsula, provides well-preserved sedimentary archives for high-resolution reconstruction of Holocene climate variability. Very-high-resolution seismic profiles were obtained from two Seistec boomer seismic campaigns conducted in the bay. The seismic surveys reveal the deposition of five distinct sedimentary units. This succession is correlated with radiocarbon-dated sediments sampled in a long CASQ core (MD08-3204CQ). The analysis of the sediments shows significant changes in grain size, indicating a complex series of palaeo-climate events dated at 8800, 8600, 4270, 3860, 2470 and 1060 cal. yr BP. These may be correlated with millennial timescale climate variability corresponding to the phases of Holocene rapid climate changes (RCCs), associated with negative North Atlantic Oscillation (NAO) index and usually characterized by weaker winter storms. On the contrary, periods between RCCs are characterized by the predominance of westerly winds and stormy conditions for Brittany (i.e. positive NAO). However, only storm events occurring during the RCCs have been preserved in the Bay of Quiberon. This paper aims to reconstruct the Holocene sedimentary infill of the bay, highlighting the role of episodic acceleration phases of the sea-level rise on the preservation of sedimentary archives. Thus, the Bay of Quiberon provides substantially a complete sedimentation record of the last 10,000 years characterized by a series of complex palaeo-environmental changes. |
author2 |
Littoral, Environnement, Télédétection, Géomatique UMR 6554 (LETG) Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-Université d'Angers (UA)-École Pratique des Hautes Études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Brest (UBO)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN) Université de Nantes (UN)-Université de Nantes (UN) Laboratoire Chrono-environnement (UMR 6249) (LCE) Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC) Université Bourgogne Franche-Comté COMUE (UBFC)-Université Bourgogne Franche-Comté COMUE (UBFC) Morphodynamique Continentale et Côtière (M2C) Normandie Université (NU)-Normandie Université (NU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rouen Normandie (UNIROUEN) Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS) Domaines Océaniques (LDO) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Observatoire des Sciences de l'Univers-Institut d'écologie et environnement-Centre National de la Recherche Scientifique (CNRS) Centre de Recherche en Archéologie, Archéosciences, Histoire (CReAAH) Le Mans Université (UM)-Université de Rennes (UR)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Université de Nantes - UFR Histoire, Histoire de l'Art et Archéologie (UFR HHAA) Université de Nantes (UN)-Université de Nantes (UN)-Ministère de la Culture (MC) Laboratoire de recherche ARchéologie et Architecture (LARA) Université de Nantes (UN)-Centre de Recherche en Archéologie, Archéosciences, Histoire (CReAAH) Université de Nantes (UN)-Université de Nantes (UN)-Ministère de la Culture (MC)-Le Mans Université (UM)-Université de Rennes (UR)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Université de Nantes - UFR Histoire, Histoire de l'Art et Archéologie (UFR HHAA) |
format |
Article in Journal/Newspaper |
author |
Baltzer, A. Walter-Simonnet, A.V. Mokeddem, Z. Tessier, Bernadette Goubert, Evelyne Cassen, Serge Diffo, A. |
author_facet |
Baltzer, A. Walter-Simonnet, A.V. Mokeddem, Z. Tessier, Bernadette Goubert, Evelyne Cassen, Serge Diffo, A. |
author_sort |
Baltzer, A. |
title |
Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years |
title_short |
Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years |
title_full |
Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years |
title_fullStr |
Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years |
title_full_unstemmed |
Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years |
title_sort |
climatically driven impacts on sedimentation processes in the bay of quiberon [south brittany, france) over the last 10,000 years |
publisher |
HAL CCSD |
publishDate |
2014 |
url |
https://hal.science/hal-01108491 https://doi.org/10.1177/0959683614526933 |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
ISSN: 0959-6836 EISSN: 1477-0911 The Holocene https://hal.science/hal-01108491 The Holocene, 2014, 24 (6), pp.679-688. ⟨10.1177/0959683614526933⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1177/0959683614526933 hal-01108491 https://hal.science/hal-01108491 doi:10.1177/0959683614526933 |
op_doi |
https://doi.org/10.1177/0959683614526933 |
container_title |
The Holocene |
container_volume |
24 |
container_issue |
6 |
container_start_page |
679 |
op_container_end_page |
688 |
_version_ |
1796314596530716672 |
spelling |
ftnormandieuniv:oai:HAL:hal-01108491v1 2024-04-14T08:16:03+00:00 Climatically driven impacts on sedimentation processes in the bay of Quiberon [south Brittany, France) over the last 10,000 years Baltzer, A. Walter-Simonnet, A.V. Mokeddem, Z. Tessier, Bernadette Goubert, Evelyne Cassen, Serge Diffo, A. Littoral, Environnement, Télédétection, Géomatique UMR 6554 (LETG) Université de Caen Normandie (UNICAEN) Normandie Université (NU)-Normandie Université (NU)-Université d'Angers (UA)-École Pratique des Hautes Études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Brest (UBO)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN) Université de Nantes (UN)-Université de Nantes (UN) Laboratoire Chrono-environnement (UMR 6249) (LCE) Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC) Université Bourgogne Franche-Comté COMUE (UBFC)-Université Bourgogne Franche-Comté COMUE (UBFC) Morphodynamique Continentale et Côtière (M2C) Normandie Université (NU)-Normandie Université (NU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Rouen Normandie (UNIROUEN) Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS) Domaines Océaniques (LDO) Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Observatoire des Sciences de l'Univers-Institut d'écologie et environnement-Centre National de la Recherche Scientifique (CNRS) Centre de Recherche en Archéologie, Archéosciences, Histoire (CReAAH) Le Mans Université (UM)-Université de Rennes (UR)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Université de Nantes - UFR Histoire, Histoire de l'Art et Archéologie (UFR HHAA) Université de Nantes (UN)-Université de Nantes (UN)-Ministère de la Culture (MC) Laboratoire de recherche ARchéologie et Architecture (LARA) Université de Nantes (UN)-Centre de Recherche en Archéologie, Archéosciences, Histoire (CReAAH) Université de Nantes (UN)-Université de Nantes (UN)-Ministère de la Culture (MC)-Le Mans Université (UM)-Université de Rennes (UR)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Université de Nantes - UFR Histoire, Histoire de l'Art et Archéologie (UFR HHAA) 2014 https://hal.science/hal-01108491 https://doi.org/10.1177/0959683614526933 en eng HAL CCSD London: Sage info:eu-repo/semantics/altIdentifier/doi/10.1177/0959683614526933 hal-01108491 https://hal.science/hal-01108491 doi:10.1177/0959683614526933 ISSN: 0959-6836 EISSN: 1477-0911 The Holocene https://hal.science/hal-01108491 The Holocene, 2014, 24 (6), pp.679-688. ⟨10.1177/0959683614526933⟩ [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy [SDE.MCG]Environmental Sciences/Global Changes info:eu-repo/semantics/article Journal articles 2014 ftnormandieuniv https://doi.org/10.1177/0959683614526933 2024-03-21T17:07:45Z International audience The Bay of Quiberon (NW France), which is protected by the Quiberon Peninsula, provides well-preserved sedimentary archives for high-resolution reconstruction of Holocene climate variability. Very-high-resolution seismic profiles were obtained from two Seistec boomer seismic campaigns conducted in the bay. The seismic surveys reveal the deposition of five distinct sedimentary units. This succession is correlated with radiocarbon-dated sediments sampled in a long CASQ core (MD08-3204CQ). The analysis of the sediments shows significant changes in grain size, indicating a complex series of palaeo-climate events dated at 8800, 8600, 4270, 3860, 2470 and 1060 cal. yr BP. These may be correlated with millennial timescale climate variability corresponding to the phases of Holocene rapid climate changes (RCCs), associated with negative North Atlantic Oscillation (NAO) index and usually characterized by weaker winter storms. On the contrary, periods between RCCs are characterized by the predominance of westerly winds and stormy conditions for Brittany (i.e. positive NAO). However, only storm events occurring during the RCCs have been preserved in the Bay of Quiberon. This paper aims to reconstruct the Holocene sedimentary infill of the bay, highlighting the role of episodic acceleration phases of the sea-level rise on the preservation of sedimentary archives. Thus, the Bay of Quiberon provides substantially a complete sedimentation record of the last 10,000 years characterized by a series of complex palaeo-environmental changes. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Normandie Université: HAL The Holocene 24 6 679 688 |