Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains
International audience The climate shift of the Last Glacial Maximum (LGM) strongly impacted the vegetation cover and related trophic chains of western Europe. Harsh, cold and dry conditions then prevailed in most regions, strongly impacting migrations and survival of human beings. Nonetheless, envi...
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ftunivlyon:oai:HAL:insu-03710147v1 2024-09-15T18:23:59+00:00 Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains Lécuyer, Christophe Hillaire-Marcel, Claude Burke, Ariane Julien, Marie-Anne Hélie, Jean-François Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement (LGL-TPE) École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL) Université de Lyon-Université de Lyon-Institut national des sciences de l'Univers (INSU - CNRS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS) Histoire naturelle de l'Homme préhistorique (HNHP) Muséum national d'Histoire naturelle (MNHN)-Université de Perpignan Via Domitia (UPVD)-Centre National de la Recherche Scientifique (CNRS) 2021 https://insu.hal.science/insu-03710147 https://insu.hal.science/insu-03710147/document https://insu.hal.science/insu-03710147/file/S0277379121000032.pdf https://doi.org/10.1016/j.quascirev.2021.106796 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.quascirev.2021.106796 insu-03710147 https://insu.hal.science/insu-03710147 https://insu.hal.science/insu-03710147/document https://insu.hal.science/insu-03710147/file/S0277379121000032.pdf BIBCODE: 2021QSRv.25506796L doi:10.1016/j.quascirev.2021.106796 PII: S0277-3791(21)00003-2 http://creativecommons.org/licenses/by-nc/ info:eu-repo/semantics/OpenAccess ISSN: 0277-3791 EISSN: 1873-457X Quaternary Science Reviews https://insu.hal.science/insu-03710147 Quaternary Science Reviews, 2021, 255, ⟨10.1016/j.quascirev.2021.106796⟩ Last glacial Temperature Precipitation Stable isotopes Apatite Mammals Western europe [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2021 ftunivlyon https://doi.org/10.1016/j.quascirev.2021.106796 2024-07-08T23:59:51Z International audience The climate shift of the Last Glacial Maximum (LGM) strongly impacted the vegetation cover and related trophic chains of western Europe. Harsh, cold and dry conditions then prevailed in most regions, strongly impacting migrations and survival of human beings. Nonetheless, environments suitable for mammalian fauna to survive persisted in SW Europe thus providing refugia for hunters. Tooth enamel from large herbivorous mammal remains from archaeological sites located in southwest France and Spain were analyzed for their stable carbon and oxygen isotope compositions for documenting paleotemperatures and paleoprecipitations. These sites were occupied by humans between 25 ky and 16 ky. Skeletal remains of Cervidae, Equidae and Caprinae suggest colder and drier conditions relative to present-day. Paleoprecipitations were reconstructed from a modern-based transfer function using δ 13 C-values of apatite carbonate, then corrected for the low atmospheric pCO 2 value of the LGM. They ranged from ≈250 mm yr -1 on the Mediterranean façade, to ≈550 mm yr -1 on the Atlantic side. Setting the δ 18 O-value of the northeastern North Atlantic LGM-surface water to +0.8‰, based on Biscay Golf marine core studies, mean air temperatures inferred from 18 O-data in apatite calcite were close to 14-15 °C (Mediterranean) and 6 °C-10 °C (Atlantic), i.e., about 4-5 °C and 5-8 °C higher than pre-industrial temperatures, respectively. The two areas thus define distinct clusters of air temperatures and precipitation regimes with strong negative offsets vs the Present. These isotopically-reconstructed climate conditions indicate a strong control from proximal surface ocean/marine waters, in particular of mean annual air temperatures. Article in Journal/Newspaper North Atlantic Université de Lyon: HAL Quaternary Science Reviews 255 106796 |
institution |
Open Polar |
collection |
Université de Lyon: HAL |
op_collection_id |
ftunivlyon |
language |
English |
topic |
Last glacial Temperature Precipitation Stable isotopes Apatite Mammals Western europe [SDU]Sciences of the Universe [physics] |
spellingShingle |
Last glacial Temperature Precipitation Stable isotopes Apatite Mammals Western europe [SDU]Sciences of the Universe [physics] Lécuyer, Christophe Hillaire-Marcel, Claude Burke, Ariane Julien, Marie-Anne Hélie, Jean-François Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains |
topic_facet |
Last glacial Temperature Precipitation Stable isotopes Apatite Mammals Western europe [SDU]Sciences of the Universe [physics] |
description |
International audience The climate shift of the Last Glacial Maximum (LGM) strongly impacted the vegetation cover and related trophic chains of western Europe. Harsh, cold and dry conditions then prevailed in most regions, strongly impacting migrations and survival of human beings. Nonetheless, environments suitable for mammalian fauna to survive persisted in SW Europe thus providing refugia for hunters. Tooth enamel from large herbivorous mammal remains from archaeological sites located in southwest France and Spain were analyzed for their stable carbon and oxygen isotope compositions for documenting paleotemperatures and paleoprecipitations. These sites were occupied by humans between 25 ky and 16 ky. Skeletal remains of Cervidae, Equidae and Caprinae suggest colder and drier conditions relative to present-day. Paleoprecipitations were reconstructed from a modern-based transfer function using δ 13 C-values of apatite carbonate, then corrected for the low atmospheric pCO 2 value of the LGM. They ranged from ≈250 mm yr -1 on the Mediterranean façade, to ≈550 mm yr -1 on the Atlantic side. Setting the δ 18 O-value of the northeastern North Atlantic LGM-surface water to +0.8‰, based on Biscay Golf marine core studies, mean air temperatures inferred from 18 O-data in apatite calcite were close to 14-15 °C (Mediterranean) and 6 °C-10 °C (Atlantic), i.e., about 4-5 °C and 5-8 °C higher than pre-industrial temperatures, respectively. The two areas thus define distinct clusters of air temperatures and precipitation regimes with strong negative offsets vs the Present. These isotopically-reconstructed climate conditions indicate a strong control from proximal surface ocean/marine waters, in particular of mean annual air temperatures. |
author2 |
Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement (LGL-TPE) École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL) Université de Lyon-Université de Lyon-Institut national des sciences de l'Univers (INSU - CNRS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS) Histoire naturelle de l'Homme préhistorique (HNHP) Muséum national d'Histoire naturelle (MNHN)-Université de Perpignan Via Domitia (UPVD)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Lécuyer, Christophe Hillaire-Marcel, Claude Burke, Ariane Julien, Marie-Anne Hélie, Jean-François |
author_facet |
Lécuyer, Christophe Hillaire-Marcel, Claude Burke, Ariane Julien, Marie-Anne Hélie, Jean-François |
author_sort |
Lécuyer, Christophe |
title |
Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains |
title_short |
Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains |
title_full |
Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains |
title_fullStr |
Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains |
title_full_unstemmed |
Temperature and precipitation regime in LGM human refugia of southwestern Europe inferred from δ 13 C and δ 18 O of large mammal remains |
title_sort |
temperature and precipitation regime in lgm human refugia of southwestern europe inferred from δ 13 c and δ 18 o of large mammal remains |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://insu.hal.science/insu-03710147 https://insu.hal.science/insu-03710147/document https://insu.hal.science/insu-03710147/file/S0277379121000032.pdf https://doi.org/10.1016/j.quascirev.2021.106796 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
ISSN: 0277-3791 EISSN: 1873-457X Quaternary Science Reviews https://insu.hal.science/insu-03710147 Quaternary Science Reviews, 2021, 255, ⟨10.1016/j.quascirev.2021.106796⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.quascirev.2021.106796 insu-03710147 https://insu.hal.science/insu-03710147 https://insu.hal.science/insu-03710147/document https://insu.hal.science/insu-03710147/file/S0277379121000032.pdf BIBCODE: 2021QSRv.25506796L doi:10.1016/j.quascirev.2021.106796 PII: S0277-3791(21)00003-2 |
op_rights |
http://creativecommons.org/licenses/by-nc/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.quascirev.2021.106796 |
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Quaternary Science Reviews |
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255 |
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106796 |
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