Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss

Abstract Arctic sea-ice loss is a consequence of anthropogenic global warming and can itself be a driver of climate change in the Arctic and at lower latitudes, with sea-ice minima likely favoring extreme events over Europe and North America. Yet the role that the sea-ice plays in ongoing climate ch...

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Autores principales:	Xavier J. Levine, Ivana Cvijanovic, Pablo Ortega, Markus G. Donat, Etienne Tourigny
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Environmental sciences GE1-350 Meteorology. Climatology QC851-999
Acceso en línea:	https://doaj.org/article/3b31bb24e7b04c8898e321f8764c7e6d
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id	oai:doaj.org-article:3b31bb24e7b04c8898e321f8764c7e6d
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spelling	oai:doaj.org-article:3b31bb24e7b04c8898e321f8764c7e6d2021-12-02T17:15:28ZAtmospheric feedback explains disparate climate response to regional Arctic sea-ice loss10.1038/s41612-021-00183-w2397-3722https://doaj.org/article/3b31bb24e7b04c8898e321f8764c7e6d2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41612-021-00183-whttps://doaj.org/toc/2397-3722Abstract Arctic sea-ice loss is a consequence of anthropogenic global warming and can itself be a driver of climate change in the Arctic and at lower latitudes, with sea-ice minima likely favoring extreme events over Europe and North America. Yet the role that the sea-ice plays in ongoing climate change remains uncertain, partly due to a limited understanding of whether and how the exact geographical distribution of sea-ice loss impacts climate. Here we demonstrate that the climate response to sea-ice loss can vary widely depending on the pattern of sea-ice change, and show that this is due to the presence of an atmospheric feedback mechanism that amplifies the local and remote signals when broader scale sea-ice loss occurs. Our study thus highlights the need to better constrain the spatial pattern of future sea-ice when assessing its impacts on the climate in the Arctic and beyond.Xavier J. LevineIvana CvijanovicPablo OrtegaMarkus G. DonatEtienne TourignyNature PortfolioarticleEnvironmental sciencesGE1-350Meteorology. ClimatologyQC851-999ENnpj Climate and Atmospheric Science, Vol 4, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental sciences GE1-350 Meteorology. Climatology QC851-999
spellingShingle	Environmental sciences GE1-350 Meteorology. Climatology QC851-999 Xavier J. Levine Ivana Cvijanovic Pablo Ortega Markus G. Donat Etienne Tourigny Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss
description	Abstract Arctic sea-ice loss is a consequence of anthropogenic global warming and can itself be a driver of climate change in the Arctic and at lower latitudes, with sea-ice minima likely favoring extreme events over Europe and North America. Yet the role that the sea-ice plays in ongoing climate change remains uncertain, partly due to a limited understanding of whether and how the exact geographical distribution of sea-ice loss impacts climate. Here we demonstrate that the climate response to sea-ice loss can vary widely depending on the pattern of sea-ice change, and show that this is due to the presence of an atmospheric feedback mechanism that amplifies the local and remote signals when broader scale sea-ice loss occurs. Our study thus highlights the need to better constrain the spatial pattern of future sea-ice when assessing its impacts on the climate in the Arctic and beyond.
format	article
author	Xavier J. Levine Ivana Cvijanovic Pablo Ortega Markus G. Donat Etienne Tourigny
author_facet	Xavier J. Levine Ivana Cvijanovic Pablo Ortega Markus G. Donat Etienne Tourigny
author_sort	Xavier J. Levine
title	Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss
title_short	Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss
title_full	Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss
title_fullStr	Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss
title_full_unstemmed	Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss
title_sort	atmospheric feedback explains disparate climate response to regional arctic sea-ice loss
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/3b31bb24e7b04c8898e321f8764c7e6d
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Atmospheric feedback explains disparate climate response to regional Arctic sea-ice loss

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