The signs of Antarctic ozone hole recovery

Abstract Absorption of solar radiation by stratospheric ozone affects atmospheric dynamics and chemistry, and sustains life on Earth by preventing harmful radiation from reaching the surface. Significant ozone losses due to increases in the abundances of ozone depleting substances (ODSs) were first...

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Autores principales:	Jayanarayanan Kuttippurath, Prijitha J. Nair
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c0eab3c64a29422aa9f56c4cdb9b8f20
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spelling	oai:doaj.org-article:c0eab3c64a29422aa9f56c4cdb9b8f202021-12-02T16:07:02ZThe signs of Antarctic ozone hole recovery10.1038/s41598-017-00722-72045-2322https://doaj.org/article/c0eab3c64a29422aa9f56c4cdb9b8f202017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00722-7https://doaj.org/toc/2045-2322Abstract Absorption of solar radiation by stratospheric ozone affects atmospheric dynamics and chemistry, and sustains life on Earth by preventing harmful radiation from reaching the surface. Significant ozone losses due to increases in the abundances of ozone depleting substances (ODSs) were first observed in Antarctica in the 1980s. Losses deepened in following years but became nearly flat by around 2000, reflecting changes in global ODS emissions. Here we show robust evidence that Antarctic ozone has started to recover in both spring and summer, with a recovery signal identified in springtime ozone profile and total column measurements at 99% confidence for the first time. Continuing recovery is expected to impact the future climate of that region. Our results demonstrate that the Montreal Protocol has indeed begun to save the Antarctic ozone layer.Jayanarayanan KuttippurathPrijitha J. NairNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jayanarayanan Kuttippurath Prijitha J. Nair The signs of Antarctic ozone hole recovery
description	Abstract Absorption of solar radiation by stratospheric ozone affects atmospheric dynamics and chemistry, and sustains life on Earth by preventing harmful radiation from reaching the surface. Significant ozone losses due to increases in the abundances of ozone depleting substances (ODSs) were first observed in Antarctica in the 1980s. Losses deepened in following years but became nearly flat by around 2000, reflecting changes in global ODS emissions. Here we show robust evidence that Antarctic ozone has started to recover in both spring and summer, with a recovery signal identified in springtime ozone profile and total column measurements at 99% confidence for the first time. Continuing recovery is expected to impact the future climate of that region. Our results demonstrate that the Montreal Protocol has indeed begun to save the Antarctic ozone layer.
format	article
author	Jayanarayanan Kuttippurath Prijitha J. Nair
author_facet	Jayanarayanan Kuttippurath Prijitha J. Nair
author_sort	Jayanarayanan Kuttippurath
title	The signs of Antarctic ozone hole recovery
title_short	The signs of Antarctic ozone hole recovery
title_full	The signs of Antarctic ozone hole recovery
title_fullStr	The signs of Antarctic ozone hole recovery
title_full_unstemmed	The signs of Antarctic ozone hole recovery
title_sort	signs of antarctic ozone hole recovery
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/c0eab3c64a29422aa9f56c4cdb9b8f20
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The signs of Antarctic ozone hole recovery

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