A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula

14 páginas, 7 figuras, 1 tabla.-- El pDF del artículo es su versión post-print.

Detalhes bibliográficos
Autores: Moreno Caballud, Ana, Stoll, Heather, Jiménez-Sánchez, Montserrat, Cacho, Isabel, Valero-Garcés, Blas L., Ito, Emi, Edwards, R. Lawrence
Formato: artículo
Fecha de publicación:2010
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/35083
Acesso em linha:http://hdl.handle.net/10261/35083
Access Level:acceso abierto
Palavra-chave:Speleothems
Northern Iberian Peninsula
Marine Isotope Stage 2
Last deglaciation
Stable isotopes
Trace elements
Rapid climate change
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spelling A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian PeninsulaMoreno Caballud, AnaStoll, HeatherJiménez-Sánchez, MontserratCacho, IsabelValero-Garcés, Blas L.Ito, EmiEdwards, R. LawrenceSpeleothemsNorthern Iberian PeninsulaMarine Isotope Stage 2Last deglaciationStable isotopesTrace elementsRapid climate change14 páginas, 7 figuras, 1 tabla.-- El pDF del artículo es su versión post-print.Low and high frequency climatic fluctuations in northern Iberian Peninsula during the last glacial maximum (LGM) and deglaciation are documented in a stalagmite using δ18O and δ13C and hydrologically sensitive trace metal ratios Mg/Ca and Ba/Ca. U/Th dating indicates speleothem growth commenced at 25 kyr BP (Present = year 1950) and extended to 11.6 kyr BP making this one of few European speleothem growing during the last glacial period. Rapid climatic fluctuations as Heinrich event 2 (H2) and Greenland Interstadial (GI-) 2 are well characterized in this record by more arid and cold conditions and by more humid conditions, respectively. Speleothem growth ceased from 18.2 to 15.4 kyr BP (the so-called Mystery Interval) likely reflecting the driest and potentially coldest conditions of this record, coincident with the 2 kyr duration shutdown of the North Atlantic Meridional Overturning Circulation (MOC). A major gradual increase in humidity and possibly in temperature occurred from 15.5 to 13.5 kyr BP, beginning in the Bølling and culminating in the Allerød period. This gradual humidity change contrasts with more abrupt humidity shifts in the Mediterranean, suggesting a different climate threshold for Mediterranean vs. Atlantic margin precipitation.This project was supported by a grant from the Spanish Ministry of Education and Science (CAVECAL:MEC CGL2006-13327-Co4-02 toHMS) and GRACCIEConsolider (CSD2007-00067). We acknowledge fellowships to A. Moreno from the European Comission's Sixth Framework Program (Marie Curie Fellowship 021673 IBERABRUPT) and from the Spanish Ministry of Science (“Ramón y Cajal” program) and H. Stoll from the Spanish Ministry of Science cofunded by the European Social Fund and an instrumentation grant to H. Stoll from the Asturian Comission of Science and Technology (FICYT) cofinanced by the European Regional Development Funds.Peer reviewedElsevier201120112010info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/35083reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1016/j.gloplacha.2009.10.002info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/350832026-05-22T06:33:51Z
dc.title.none.fl_str_mv A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
title A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
spellingShingle A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
Moreno Caballud, Ana
Speleothems
Northern Iberian Peninsula
Marine Isotope Stage 2
Last deglaciation
Stable isotopes
Trace elements
Rapid climate change
title_short A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
title_full A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
title_fullStr A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
title_full_unstemmed A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
title_sort A speleothem record of glacial (25–11.6 kyr BP) rapid climatic changes from northern Iberian Peninsula
dc.creator.none.fl_str_mv Moreno Caballud, Ana
Stoll, Heather
Jiménez-Sánchez, Montserrat
Cacho, Isabel
Valero-Garcés, Blas L.
Ito, Emi
Edwards, R. Lawrence
author Moreno Caballud, Ana
author_facet Moreno Caballud, Ana
Stoll, Heather
Jiménez-Sánchez, Montserrat
Cacho, Isabel
Valero-Garcés, Blas L.
Ito, Emi
Edwards, R. Lawrence
author_role author
author2 Stoll, Heather
Jiménez-Sánchez, Montserrat
Cacho, Isabel
Valero-Garcés, Blas L.
Ito, Emi
Edwards, R. Lawrence
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Speleothems
Northern Iberian Peninsula
Marine Isotope Stage 2
Last deglaciation
Stable isotopes
Trace elements
Rapid climate change
topic Speleothems
Northern Iberian Peninsula
Marine Isotope Stage 2
Last deglaciation
Stable isotopes
Trace elements
Rapid climate change
description 14 páginas, 7 figuras, 1 tabla.-- El pDF del artículo es su versión post-print.
publishDate 2010
dc.date.none.fl_str_mv 2010
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/35083
url http://hdl.handle.net/10261/35083
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1016/j.gloplacha.2009.10.002
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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