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dc.contributor.author
Neukom, Raphael
dc.contributor.author
Gergis, Joëlle
dc.contributor.author
Karoly, David J.
dc.contributor.author
Wanner, Heinz
dc.contributor.author
Curran, Mark
dc.contributor.author
Elbert, Julie
dc.contributor.author
González Rouco, Fidel
dc.contributor.author
Linsley, Braddock K.
dc.contributor.author
Moy, Andrew D.
dc.contributor.author
Mundo, Ignacio Alberto
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Raible, Christoph C.
dc.contributor.author
Steig, Eric J.
dc.contributor.author
Van Ommen, Tas
dc.contributor.author
Vance, Tessa
dc.contributor.author
Villalba, Ricardo
dc.contributor.author
Zinke, Jens
dc.contributor.author
Frank, David
dc.date.available
2018-02-26T22:12:16Z
dc.date.issued
2014-03
dc.identifier.citation
Neukom, Raphael; Gergis, Joëlle; Karoly, David J.; Wanner, Heinz; Curran, Mark; et al.; Inter-hemispheric temperature variability over the past millennium; Nature Publishing Group; Nature Climate Change; 4; 5; 3-2014; 362-367
dc.identifier.issn
1758-678X
dc.identifier.uri
http://hdl.handle.net/11336/37215
dc.description.abstract
The Earths climate system is driven by a complex interplay of internal chaotic dynamics and natural and anthropogenic external forcing. Recent instrumental data have shown a remarkable degree of asynchronicity between Northern Hemisphere and Southern Hemisphere temperature fluctuations, thereby questioning the relative importance of internal versus external drivers of past as well as future climate variability. However, large-scale temperature reconstructions for the past millennium have focused on the Northern Hemisphere, limiting empirical assessments of inter-hemispheric variability on multi-decadal to centennial timescales. Here, we introduce a new millennial ensemble reconstruction of annually resolved temperature variations for the Southern Hemisphere based on an unprecedented network of terrestrial and oceanic palaeoclimate proxy records. In conjunction with an independent Northern Hemisphere temperature reconstruction ensemble, this record reveals an extended cold period (1594-1677) in both hemispheres but no globally coherent warm phase during the pre-industrial (1000-1850) era. The current (post-1974) warm phase is the only period of the past millennium where both hemispheres are likely to have experienced contemporaneous warm extremes. Our analysis of inter-hemispheric temperature variability in an ensemble of climate model simulations for the past millennium suggests that models tend to overemphasize Northern Hemisphere-Southern Hemisphere synchronicity by underestimating the role of internal ocean-atmosphere dynamics, particularly in the ocean-dominated Southern Hemisphere. Our results imply that climate system predictability on decadal to century timescales may be lower than expected based on assessments of external climate forcing and Northern Hemisphere temperature variations alone.
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
Inter-Hemispheric Climates
dc.subject
Tree Rings
dc.subject
Paleoclimatology
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Little Ice Age
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Inter-hemispheric temperature variability over the past millennium
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-12-29T14:15:23Z
dc.journal.volume
4
dc.journal.number
5
dc.journal.pagination
362-367
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Neukom, Raphael. University of Bern; Suiza. Universitat Zurich; Suiza. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
dc.description.fil
Fil: Gergis, Joëlle. University of Melbourne; Australia
dc.description.fil
Fil: Karoly, David J.. University of Melbourne; Australia
dc.description.fil
Fil: Wanner, Heinz. University of Bern; Suiza
dc.description.fil
Fil: Curran, Mark. University of Tasmania; Australia
dc.description.fil
Fil: Elbert, Julie. University of Bern; Suiza
dc.description.fil
Fil: González Rouco, Fidel. Consejo Superior de Investigaciones Científicas; España. Universidad Complutense de Madrid; España
dc.description.fil
Fil: Linsley, Braddock K.. Columbia University; Estados Unidos
dc.description.fil
Fil: Moy, Andrew D.. University of Tasmania; Australia
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Fil: Mundo, Ignacio Alberto. 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. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales. Laboratorio de Investigacion de Sistemas Ecologicos y Ambientales; Argentina
dc.description.fil
Fil: Raible, Christoph C.. University of Bern; Suiza
dc.description.fil
Fil: Steig, Eric J.. University of Washington; Estados Unidos
dc.description.fil
Fil: Van Ommen, Tas. University of Tasmania; Australia
dc.description.fil
Fil: Vance, Tessa. University of Tasmania; Australia
dc.description.fil
Fil: Villalba, Ricardo. 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: Zinke, Jens. University of Western Australia; Australia. Australian Institute of Marine Science; Australia
dc.description.fil
Fil: Frank, David. University of Bern; Suiza. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
dc.journal.title
Nature Climate Change
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/nclimate2174
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1038/nclimate2174


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