Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss

Autores
Saurral, Ramiro Ignacio; Screen, James A.; Doblasreyes, Francisco
Año de publicación
2025
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Clouds play a key role in the climate of the Arctic region. Observational evidence suggests that sea-ice loss fosters increased cloud cover due to enhanced surface turbulent fluxes. Yet, it is not clear whether this mechanism is (well) represented in climate models. In this study we analyze the simulated response of low clouds to sea-ice loss in a set of dedicated numerical model experiments prescribed with changes in sea ice only. We find large discrepancies between models regarding their representation of low cloud responses to identical sea-ice loss. We propose a physical explanation that links biases in simulated present-day surface temperature and stratification to the sign of the low cloud response to sea-ice loss. Our results suggest that mean-state temperature biases need to be reduced in order to narrow uncertainty in the simulated cloud response to sea-ice loss.
Fil: Saurral, Ramiro Ignacio. 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. Barcelona Supercomputing Center - Centro Nacional de Supercomputacion; España. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias de la Atmósfera y los Océanos; Argentina
Fil: Screen, James A.. University of Exeter; Reino Unido
Fil: Doblasreyes, Francisco. Barcelona Supercomputing Center - Centro Nacional de Supercomputacion; España. Institució Catalana de Recerca i Estudis Avancats; España
Materia
Arctic
Sea ice
Clouds
Model biases
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/279892
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice LossSaurral, Ramiro IgnacioScreen, James A.Doblasreyes, FranciscoArcticSea iceCloudsModel biaseshttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Clouds play a key role in the climate of the Arctic region. Observational evidence suggests that sea-ice loss fosters increased cloud cover due to enhanced surface turbulent fluxes. Yet, it is not clear whether this mechanism is (well) represented in climate models. In this study we analyze the simulated response of low clouds to sea-ice loss in a set of dedicated numerical model experiments prescribed with changes in sea ice only. We find large discrepancies between models regarding their representation of low cloud responses to identical sea-ice loss. We propose a physical explanation that links biases in simulated present-day surface temperature and stratification to the sign of the low cloud response to sea-ice loss. Our results suggest that mean-state temperature biases need to be reduced in order to narrow uncertainty in the simulated cloud response to sea-ice loss.Fil: Saurral, Ramiro Ignacio. 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. Barcelona Supercomputing Center - Centro Nacional de Supercomputacion; España. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias de la Atmósfera y los Océanos; ArgentinaFil: Screen, James A.. University of Exeter; Reino UnidoFil: Doblasreyes, Francisco. Barcelona Supercomputing Center - Centro Nacional de Supercomputacion; España. Institució Catalana de Recerca i Estudis Avancats; EspañaAmerican Geophysical Union2025-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/279892Saurral, Ramiro Ignacio; Screen, James A.; Doblasreyes, Francisco; Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss; American Geophysical Union; Geophysical Research Letters; 52; 18; 9-2025; 1-100094-8276CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025GL117035info:eu-repo/semantics/altIdentifier/doi/10.1029/2025GL117035info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2026-02-06T12:23:20Zoai:ri.conicet.gov.ar:11336/279892instacron: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:34982026-02-06 12:23:20.374CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
title Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
spellingShingle Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
Saurral, Ramiro Ignacio
Arctic
Sea ice
Clouds
Model biases
title_short Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
title_full Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
title_fullStr Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
title_full_unstemmed Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
title_sort Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss
dc.creator.none.fl_str_mv Saurral, Ramiro Ignacio
Screen, James A.
Doblasreyes, Francisco
author Saurral, Ramiro Ignacio
author_facet Saurral, Ramiro Ignacio
Screen, James A.
Doblasreyes, Francisco
author_role author
author2 Screen, James A.
Doblasreyes, Francisco
author2_role author
author
dc.subject.none.fl_str_mv Arctic
Sea ice
Clouds
Model biases
topic Arctic
Sea ice
Clouds
Model biases
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Clouds play a key role in the climate of the Arctic region. Observational evidence suggests that sea-ice loss fosters increased cloud cover due to enhanced surface turbulent fluxes. Yet, it is not clear whether this mechanism is (well) represented in climate models. In this study we analyze the simulated response of low clouds to sea-ice loss in a set of dedicated numerical model experiments prescribed with changes in sea ice only. We find large discrepancies between models regarding their representation of low cloud responses to identical sea-ice loss. We propose a physical explanation that links biases in simulated present-day surface temperature and stratification to the sign of the low cloud response to sea-ice loss. Our results suggest that mean-state temperature biases need to be reduced in order to narrow uncertainty in the simulated cloud response to sea-ice loss.
Fil: Saurral, Ramiro Ignacio. 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. Barcelona Supercomputing Center - Centro Nacional de Supercomputacion; España. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias de la Atmósfera y los Océanos; Argentina
Fil: Screen, James A.. University of Exeter; Reino Unido
Fil: Doblasreyes, Francisco. Barcelona Supercomputing Center - Centro Nacional de Supercomputacion; España. Institució Catalana de Recerca i Estudis Avancats; España
description Clouds play a key role in the climate of the Arctic region. Observational evidence suggests that sea-ice loss fosters increased cloud cover due to enhanced surface turbulent fluxes. Yet, it is not clear whether this mechanism is (well) represented in climate models. In this study we analyze the simulated response of low clouds to sea-ice loss in a set of dedicated numerical model experiments prescribed with changes in sea ice only. We find large discrepancies between models regarding their representation of low cloud responses to identical sea-ice loss. We propose a physical explanation that links biases in simulated present-day surface temperature and stratification to the sign of the low cloud response to sea-ice loss. Our results suggest that mean-state temperature biases need to be reduced in order to narrow uncertainty in the simulated cloud response to sea-ice loss.
publishDate 2025
dc.date.none.fl_str_mv 2025-09
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/11336/279892
Saurral, Ramiro Ignacio; Screen, James A.; Doblasreyes, Francisco; Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss; American Geophysical Union; Geophysical Research Letters; 52; 18; 9-2025; 1-10
0094-8276
CONICET Digital
CONICET
url http://hdl.handle.net/11336/279892
identifier_str_mv Saurral, Ramiro Ignacio; Screen, James A.; Doblasreyes, Francisco; Model‐Dependent Response of Low Clouds to Arctic Sea‐Ice Loss; American Geophysical Union; Geophysical Research Letters; 52; 18; 9-2025; 1-10
0094-8276
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://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025GL117035
info:eu-repo/semantics/altIdentifier/doi/10.1029/2025GL117035
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Geophysical Union
publisher.none.fl_str_mv American Geophysical Union
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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score 13.11174

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