Separating decadal global water cycle variability from sea level rise

Abstract Under a warming climate, amplification of the water cycle and changes in precipitation patterns over land are expected to occur, subsequently impacting the terrestrial water balance. On global scales, such changes in terrestrial water storage (TWS) will be reflected in the water contained i...

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Autores principales:	B. D. Hamlington, J. T. Reager, M.-H. Lo, K. B. Karnauskas, R. R. Leben
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8e2719459594476daa2a5c30f35e780a
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spelling	oai:doaj.org-article:8e2719459594476daa2a5c30f35e780a2021-12-02T12:30:17ZSeparating decadal global water cycle variability from sea level rise10.1038/s41598-017-00875-52045-2322https://doaj.org/article/8e2719459594476daa2a5c30f35e780a2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00875-5https://doaj.org/toc/2045-2322Abstract Under a warming climate, amplification of the water cycle and changes in precipitation patterns over land are expected to occur, subsequently impacting the terrestrial water balance. On global scales, such changes in terrestrial water storage (TWS) will be reflected in the water contained in the ocean and can manifest as global sea level variations. Naturally occurring climate-driven TWS variability can temporarily obscure the long-term trend in sea level rise, in addition to modulating the impacts of sea level rise through natural periodic undulation in regional and global sea level. The internal variability of the global water cycle, therefore, confounds both the detection and attribution of sea level rise. Here, we use a suite of observations to quantify and map the contribution of TWS variability to sea level variability on decadal timescales. In particular, we find that decadal sea level variability centered in the Pacific Ocean is closely tied to low frequency variability of TWS in key areas across the globe. The unambiguous identification and clean separation of this component of variability is the missing step in uncovering the anthropogenic trend in sea level and understanding the potential for low-frequency modulation of future TWS impacts including flooding and drought.B. D. HamlingtonJ. T. ReagerM.-H. LoK. B. KarnauskasR. R. LebenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q B. D. Hamlington J. T. Reager M.-H. Lo K. B. Karnauskas R. R. Leben Separating decadal global water cycle variability from sea level rise
description	Abstract Under a warming climate, amplification of the water cycle and changes in precipitation patterns over land are expected to occur, subsequently impacting the terrestrial water balance. On global scales, such changes in terrestrial water storage (TWS) will be reflected in the water contained in the ocean and can manifest as global sea level variations. Naturally occurring climate-driven TWS variability can temporarily obscure the long-term trend in sea level rise, in addition to modulating the impacts of sea level rise through natural periodic undulation in regional and global sea level. The internal variability of the global water cycle, therefore, confounds both the detection and attribution of sea level rise. Here, we use a suite of observations to quantify and map the contribution of TWS variability to sea level variability on decadal timescales. In particular, we find that decadal sea level variability centered in the Pacific Ocean is closely tied to low frequency variability of TWS in key areas across the globe. The unambiguous identification and clean separation of this component of variability is the missing step in uncovering the anthropogenic trend in sea level and understanding the potential for low-frequency modulation of future TWS impacts including flooding and drought.
format	article
author	B. D. Hamlington J. T. Reager M.-H. Lo K. B. Karnauskas R. R. Leben
author_facet	B. D. Hamlington J. T. Reager M.-H. Lo K. B. Karnauskas R. R. Leben
author_sort	B. D. Hamlington
title	Separating decadal global water cycle variability from sea level rise
title_short	Separating decadal global water cycle variability from sea level rise
title_full	Separating decadal global water cycle variability from sea level rise
title_fullStr	Separating decadal global water cycle variability from sea level rise
title_full_unstemmed	Separating decadal global water cycle variability from sea level rise
title_sort	separating decadal global water cycle variability from sea level rise
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/8e2719459594476daa2a5c30f35e780a
work_keys_str_mv	AT bdhamlington separatingdecadalglobalwatercyclevariabilityfromsealevelrise AT jtreager separatingdecadalglobalwatercyclevariabilityfromsealevelrise AT mhlo separatingdecadalglobalwatercyclevariabilityfromsealevelrise AT kbkarnauskas separatingdecadalglobalwatercyclevariabilityfromsealevelrise AT rrleben separatingdecadalglobalwatercyclevariabilityfromsealevelrise
_version_	1718394409604612096

Separating decadal global water cycle variability from sea level rise

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