Warming events projected to become more frequent and last longer across Antarctica

Abstract Summer temperatures are often above freezing along the Antarctic coastline, which makes ice shelves and coastal snowpacks vulnerable to warming events (understood as periods of consecutive days with warmer than usual conditions). Here, we project changes in the frequency, duration and ampli...

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Autores principales:	Sarah Feron, Raúl R. Cordero, Alessandro Damiani, Avni Malhotra, Gunther Seckmeyer, Pedro Llanillo
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1c0a4ee0f068400bb853c796bc648ae1
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spelling	oai:doaj.org-article:1c0a4ee0f068400bb853c796bc648ae12021-12-02T19:17:00ZWarming events projected to become more frequent and last longer across Antarctica10.1038/s41598-021-98619-z2045-2322https://doaj.org/article/1c0a4ee0f068400bb853c796bc648ae12021-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98619-zhttps://doaj.org/toc/2045-2322Abstract Summer temperatures are often above freezing along the Antarctic coastline, which makes ice shelves and coastal snowpacks vulnerable to warming events (understood as periods of consecutive days with warmer than usual conditions). Here, we project changes in the frequency, duration and amplitude of summertime warming events expected until end of century according to two emission scenarios. By using both global and regional climate models, we found that these events are expected to be more frequent and last longer, continent-wide. By end of century, the number of warming events is projected to double in most of West Antarctica and to triple in the vast interior of East Antarctica, even under a moderate-emission scenario. We also found that the expected rise of warming events in coastal areas surrounding the continent will likely lead to enhanced surface melt, which may pose a risk for the future stability of several Antarctic ice shelves.Sarah FeronRaúl R. CorderoAlessandro DamianiAvni MalhotraGunther SeckmeyerPedro LlanilloNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sarah Feron Raúl R. Cordero Alessandro Damiani Avni Malhotra Gunther Seckmeyer Pedro Llanillo Warming events projected to become more frequent and last longer across Antarctica
description	Abstract Summer temperatures are often above freezing along the Antarctic coastline, which makes ice shelves and coastal snowpacks vulnerable to warming events (understood as periods of consecutive days with warmer than usual conditions). Here, we project changes in the frequency, duration and amplitude of summertime warming events expected until end of century according to two emission scenarios. By using both global and regional climate models, we found that these events are expected to be more frequent and last longer, continent-wide. By end of century, the number of warming events is projected to double in most of West Antarctica and to triple in the vast interior of East Antarctica, even under a moderate-emission scenario. We also found that the expected rise of warming events in coastal areas surrounding the continent will likely lead to enhanced surface melt, which may pose a risk for the future stability of several Antarctic ice shelves.
format	article
author	Sarah Feron Raúl R. Cordero Alessandro Damiani Avni Malhotra Gunther Seckmeyer Pedro Llanillo
author_facet	Sarah Feron Raúl R. Cordero Alessandro Damiani Avni Malhotra Gunther Seckmeyer Pedro Llanillo
author_sort	Sarah Feron
title	Warming events projected to become more frequent and last longer across Antarctica
title_short	Warming events projected to become more frequent and last longer across Antarctica
title_full	Warming events projected to become more frequent and last longer across Antarctica
title_fullStr	Warming events projected to become more frequent and last longer across Antarctica
title_full_unstemmed	Warming events projected to become more frequent and last longer across Antarctica
title_sort	warming events projected to become more frequent and last longer across antarctica
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1c0a4ee0f068400bb853c796bc648ae1
work_keys_str_mv	AT sarahferon warmingeventsprojectedtobecomemorefrequentandlastlongeracrossantarctica AT raulrcordero warmingeventsprojectedtobecomemorefrequentandlastlongeracrossantarctica AT alessandrodamiani warmingeventsprojectedtobecomemorefrequentandlastlongeracrossantarctica AT avnimalhotra warmingeventsprojectedtobecomemorefrequentandlastlongeracrossantarctica AT guntherseckmeyer warmingeventsprojectedtobecomemorefrequentandlastlongeracrossantarctica AT pedrollanillo warmingeventsprojectedtobecomemorefrequentandlastlongeracrossantarctica
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Warming events projected to become more frequent and last longer across Antarctica

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