Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades

Abstract Each year, a number of typhoons in the western North Pacific pass through the Luzon Strait into South China Sea (SCS). Although the storms remain above a warm open sea, the majority of them weaken due to atmospheric and oceanic environments unfavorable for typhoon intensification in SCS, wh...

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Autores principales:	Jingru Sun, Leo Oey, F.-H. Xu, Y.-C. Lin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/97e0bc2d88124043b61ebc2dcb332866
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spelling	oai:doaj.org-article:97e0bc2d88124043b61ebc2dcb3328662021-12-02T16:06:13ZSea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades10.1038/s41598-017-07572-32045-2322https://doaj.org/article/97e0bc2d88124043b61ebc2dcb3328662017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07572-3https://doaj.org/toc/2045-2322Abstract Each year, a number of typhoons in the western North Pacific pass through the Luzon Strait into South China Sea (SCS). Although the storms remain above a warm open sea, the majority of them weaken due to atmospheric and oceanic environments unfavorable for typhoon intensification in SCS, which therefore serves as a natural buffer that shields the surrounding coasts from potentially more powerful storms. This study examines how this buffer has changed over inter-decadal and longer time scales. We show that the buffer weakens (i.e. greater potential for more powerful typhoons) in negative Pacific Decadal Oscillation (PDO) years, as well as with sea-level-rise and surface warming, caused primarily by the deepening of the ocean’s 26 °C isotherm Z 26 . A new Intensity Change Index is proposed to describe the typhoon intensity change as a function of Z 26 and other environmental variables. In SCS, the new index accounts for as high as 75% of the total variance of typhoon intensity change.Jingru SunLeo OeyF.-H. XuY.-C. LinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jingru Sun Leo Oey F.-H. Xu Y.-C. Lin Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades
description	Abstract Each year, a number of typhoons in the western North Pacific pass through the Luzon Strait into South China Sea (SCS). Although the storms remain above a warm open sea, the majority of them weaken due to atmospheric and oceanic environments unfavorable for typhoon intensification in SCS, which therefore serves as a natural buffer that shields the surrounding coasts from potentially more powerful storms. This study examines how this buffer has changed over inter-decadal and longer time scales. We show that the buffer weakens (i.e. greater potential for more powerful typhoons) in negative Pacific Decadal Oscillation (PDO) years, as well as with sea-level-rise and surface warming, caused primarily by the deepening of the ocean’s 26 °C isotherm Z 26 . A new Intensity Change Index is proposed to describe the typhoon intensity change as a function of Z 26 and other environmental variables. In SCS, the new index accounts for as high as 75% of the total variance of typhoon intensity change.
format	article
author	Jingru Sun Leo Oey F.-H. Xu Y.-C. Lin
author_facet	Jingru Sun Leo Oey F.-H. Xu Y.-C. Lin
author_sort	Jingru Sun
title	Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades
title_short	Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades
title_full	Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades
title_fullStr	Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades
title_full_unstemmed	Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades
title_sort	sea level rise, surface warming, and the weakened buffering ability of south china sea to strong typhoons in recent decades
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/97e0bc2d88124043b61ebc2dcb332866
work_keys_str_mv	AT jingrusun sealevelrisesurfacewarmingandtheweakenedbufferingabilityofsouthchinaseatostrongtyphoonsinrecentdecades AT leooey sealevelrisesurfacewarmingandtheweakenedbufferingabilityofsouthchinaseatostrongtyphoonsinrecentdecades AT fhxu sealevelrisesurfacewarmingandtheweakenedbufferingabilityofsouthchinaseatostrongtyphoonsinrecentdecades AT yclin sealevelrisesurfacewarmingandtheweakenedbufferingabilityofsouthchinaseatostrongtyphoonsinrecentdecades
_version_	1718385104302112768

Sea level rise, surface warming, and the weakened buffering ability of South China Sea to strong typhoons in recent decades

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