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dc.contributor.author Roig Junent, Fidel Alejandro
dc.contributor.author Le-Quesne, Osvaldo
dc.contributor.author Boninsegna, Jose Armando
dc.contributor.author Briffa, Keith R.
dc.contributor.author Lara, Antonio
dc.contributor.author Grudd, Hakan
dc.contributor.author Jones, Philip D.
dc.contributor.author Villagrán, Carolina
dc.date.available 2018-03-28T14:32:29Z
dc.date.issued 2001-03
dc.identifier.citation Roig Junent, Fidel Alejandro; Le-Quesne, Osvaldo; Boninsegna, Jose Armando; Briffa, Keith R.; Lara, Antonio; et al.; Climate variability 50,000 years ago in mid-latitude Chile as reconstructed from tree rings; Nature Publishing Group; Nature; 410; 6828; 3-2001; 567-570
dc.identifier.issn 0028-0836
dc.identifier.uri http://hdl.handle.net/11336/40353
dc.description.abstract High-resolution proxies of past climate are essential for a better understanding of the climate system. Tree rings are routinely used to reconstruct Holocene climate variations at high temporal resolution, but only rarely have they offered insight into climate variability during earlier periods. Fitzroya cupressoides - a South American conifer which attains ages up to 3,600 years - has been shown to record summer temperatures in northern Patagonia during the past few millennia. Here we report a floating 1,229-year chronology developed from subfossil stumps of E cupressoides in southern Chile that dates back to approximately 50,000 14C years before present. We use this chronology to calculate the spectral characteristics of climate variability in this time, which was probably an interstadial (relatively warm) period. Growth oscillations at periods of 150-250, 87-94, 45.5, 24.1, 17.8, 9.3 and 2.7-5.3 years are identified in the annual subfossil record. A comparison with the power spectra of chronologies derived from living F. cupressoides trees shows strong similarities with the 50,000-year-old chronology, indicating that similar growth forcing factors operated in this glacial interstadial phase as in the current interglacial conditions.
dc.format application/pdf
dc.language.iso eng
dc.publisher Nature Publishing Group
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject LAS GLACIAL
dc.subject TREE RINGS
dc.subject CHILE
dc.subject FITZROYA CUPRESSOIDES
dc.subject.classification Meteorología y Ciencias Atmosféricas
dc.subject.classification Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.title Climate variability 50,000 years ago in mid-latitude Chile as reconstructed from tree rings
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2018-03-16T15:30:39Z
dc.journal.volume 410
dc.journal.number 6828
dc.journal.pagination 567-570
dc.journal.pais Reino Unido
dc.journal.ciudad Londres
dc.description.fil Fil: Roig Junent, Fidel Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil Fil: Le-Quesne, Osvaldo. Universidad de Oviedo; España. Universidad Austral de Valdivia. Instituto de Silvicultura; Chile
dc.description.fil Fil: Boninsegna, Jose Armando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.description.fil Fil: Briffa, Keith R.. University of East Anglia; Reino Unido
dc.description.fil Fil: Lara, Antonio. Universidad Austral de Valdivia. Instituto de Silvicultura; Chile
dc.description.fil Fil: Grudd, Hakan. Stockholms Universitet; Suecia
dc.description.fil Fil: Jones, Philip D.. University of East Anglia; Reino Unido
dc.description.fil Fil: Villagrán, Carolina. Universidad de Chile; Chile
dc.journal.title Nature
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1038/35069040
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/35069040
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)