Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model

Autores
Silvestri, Gabriel Emilio; Berman, Ana Laura; Braconnot, Pascale; Marti, Olivier
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This study describes time evolution of the Southern Annular Mode (SAM) in Mid- to Late Holocene simulated with a state-of-the-art transient simulation of the last 6000 years carried out with the IPSL-CM5A2 model. Simulated SAM index exhibits significant long-term linear trends of different sign depending on the season that are closely related to multi-millennial changes in insolation which was the main driver of long-term climate change in the study period. Interactions between changes in insolation and the SAM are linked to temperature and pressure changes developed through the entire Southern Hemisphere. In fact, model results suggest that insolation changes produced significant changes in extratropical temperature gradients that, in turn, induced changes in pressure gradients synthesized by significant long-term linear trends in the SAM index from Mid- to Late-Holocene. Considering that changes in the SAM index synthetize changes in hemispheric patterns of temperature, pressure and winds, results exposed in this study should be considered as reference for reconstructions of SAM evolution in the last 6000 years from climate proxy archives.
Fil: Silvestri, Gabriel Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
Fil: Berman, Ana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
Fil: Braconnot, Pascale. Centre National de la Recherche Scientifique; Francia
Fil: Marti, Olivier. Centre National de la Recherche Scientifique; Francia
Materia
HOLOCENE
IPSL-CM5A2 MODEL
SOUTHERN ANNULAR MODE
SOUTHERN HEMISPHERE
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/214079

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spelling Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate modelSilvestri, Gabriel EmilioBerman, Ana LauraBraconnot, PascaleMarti, OlivierHOLOCENEIPSL-CM5A2 MODELSOUTHERN ANNULAR MODESOUTHERN HEMISPHEREhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1This study describes time evolution of the Southern Annular Mode (SAM) in Mid- to Late Holocene simulated with a state-of-the-art transient simulation of the last 6000 years carried out with the IPSL-CM5A2 model. Simulated SAM index exhibits significant long-term linear trends of different sign depending on the season that are closely related to multi-millennial changes in insolation which was the main driver of long-term climate change in the study period. Interactions between changes in insolation and the SAM are linked to temperature and pressure changes developed through the entire Southern Hemisphere. In fact, model results suggest that insolation changes produced significant changes in extratropical temperature gradients that, in turn, induced changes in pressure gradients synthesized by significant long-term linear trends in the SAM index from Mid- to Late-Holocene. Considering that changes in the SAM index synthetize changes in hemispheric patterns of temperature, pressure and winds, results exposed in this study should be considered as reference for reconstructions of SAM evolution in the last 6000 years from climate proxy archives.Fil: Silvestri, Gabriel Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; ArgentinaFil: Berman, Ana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; ArgentinaFil: Braconnot, Pascale. Centre National de la Recherche Scientifique; FranciaFil: Marti, Olivier. Centre National de la Recherche Scientifique; FranciaSpringer2022-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/214079Silvestri, Gabriel Emilio; Berman, Ana Laura; Braconnot, Pascale; Marti, Olivier; Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model; Springer; Climate Dynamics; 59; 3-4; 1-2022; 903-9140930-7575CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s00382-022-06160-0info:eu-repo/semantics/altIdentifier/doi/10.1007/s00382-022-06160-0info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:38:56Zoai:ri.conicet.gov.ar:11336/214079instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:38:57.156CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
title Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
spellingShingle Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
Silvestri, Gabriel Emilio
HOLOCENE
IPSL-CM5A2 MODEL
SOUTHERN ANNULAR MODE
SOUTHERN HEMISPHERE
title_short Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
title_full Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
title_fullStr Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
title_full_unstemmed Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
title_sort Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model
dc.creator.none.fl_str_mv Silvestri, Gabriel Emilio
Berman, Ana Laura
Braconnot, Pascale
Marti, Olivier
author Silvestri, Gabriel Emilio
author_facet Silvestri, Gabriel Emilio
Berman, Ana Laura
Braconnot, Pascale
Marti, Olivier
author_role author
author2 Berman, Ana Laura
Braconnot, Pascale
Marti, Olivier
author2_role author
author
author
dc.subject.none.fl_str_mv HOLOCENE
IPSL-CM5A2 MODEL
SOUTHERN ANNULAR MODE
SOUTHERN HEMISPHERE
topic HOLOCENE
IPSL-CM5A2 MODEL
SOUTHERN ANNULAR MODE
SOUTHERN HEMISPHERE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv This study describes time evolution of the Southern Annular Mode (SAM) in Mid- to Late Holocene simulated with a state-of-the-art transient simulation of the last 6000 years carried out with the IPSL-CM5A2 model. Simulated SAM index exhibits significant long-term linear trends of different sign depending on the season that are closely related to multi-millennial changes in insolation which was the main driver of long-term climate change in the study period. Interactions between changes in insolation and the SAM are linked to temperature and pressure changes developed through the entire Southern Hemisphere. In fact, model results suggest that insolation changes produced significant changes in extratropical temperature gradients that, in turn, induced changes in pressure gradients synthesized by significant long-term linear trends in the SAM index from Mid- to Late-Holocene. Considering that changes in the SAM index synthetize changes in hemispheric patterns of temperature, pressure and winds, results exposed in this study should be considered as reference for reconstructions of SAM evolution in the last 6000 years from climate proxy archives.
Fil: Silvestri, Gabriel Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
Fil: Berman, Ana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Centro de Investigaciones del Mar y la Atmósfera. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Centro de Investigaciones del Mar y la Atmósfera; Argentina
Fil: Braconnot, Pascale. Centre National de la Recherche Scientifique; Francia
Fil: Marti, Olivier. Centre National de la Recherche Scientifique; Francia
description This study describes time evolution of the Southern Annular Mode (SAM) in Mid- to Late Holocene simulated with a state-of-the-art transient simulation of the last 6000 years carried out with the IPSL-CM5A2 model. Simulated SAM index exhibits significant long-term linear trends of different sign depending on the season that are closely related to multi-millennial changes in insolation which was the main driver of long-term climate change in the study period. Interactions between changes in insolation and the SAM are linked to temperature and pressure changes developed through the entire Southern Hemisphere. In fact, model results suggest that insolation changes produced significant changes in extratropical temperature gradients that, in turn, induced changes in pressure gradients synthesized by significant long-term linear trends in the SAM index from Mid- to Late-Holocene. Considering that changes in the SAM index synthetize changes in hemispheric patterns of temperature, pressure and winds, results exposed in this study should be considered as reference for reconstructions of SAM evolution in the last 6000 years from climate proxy archives.
publishDate 2022
dc.date.none.fl_str_mv 2022-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/214079
Silvestri, Gabriel Emilio; Berman, Ana Laura; Braconnot, Pascale; Marti, Olivier; Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model; Springer; Climate Dynamics; 59; 3-4; 1-2022; 903-914
0930-7575
CONICET Digital
CONICET
url http://hdl.handle.net/11336/214079
identifier_str_mv Silvestri, Gabriel Emilio; Berman, Ana Laura; Braconnot, Pascale; Marti, Olivier; Long-term trends in the Southern Annular Mode from transient Mid- to Late Holocene simulation with the IPSL-CM5A2 climate model; Springer; Climate Dynamics; 59; 3-4; 1-2022; 903-914
0930-7575
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/10.1007/s00382-022-06160-0
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00382-022-06160-0
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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