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Global Sea Level Budget 1993-Present

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Global Sea Level Budget 1993-Present. / WCRP Global Sea Level Budget Group.

In: Earth System Science Data, Vol. 10, No. 3, 28.08.2018, p. 1551-1590.

Research output: Contribution to journalArticle

Harvard

WCRP Global Sea Level Budget Group 2018, 'Global Sea Level Budget 1993-Present', Earth System Science Data, vol. 10, no. 3, pp. 1551-1590. https://doi.org/10.5194/essd-10-1551-2018

APA

WCRP Global Sea Level Budget Group (2018). Global Sea Level Budget 1993-Present. Earth System Science Data, 10(3), 1551-1590. https://doi.org/10.5194/essd-10-1551-2018

Vancouver

WCRP Global Sea Level Budget Group. Global Sea Level Budget 1993-Present. Earth System Science Data. 2018 Aug 28;10(3):1551-1590. https://doi.org/10.5194/essd-10-1551-2018

Author

WCRP Global Sea Level Budget Group. / Global Sea Level Budget 1993-Present. In: Earth System Science Data. 2018 ; Vol. 10, No. 3. pp. 1551-1590.

Bibtex

@article{cc9321c0c7c74d05b2f7692db644ace6,
title = "Global Sea Level Budget 1993-Present",
abstract = "Global mean sea level is an integral of changes occurring in the climate system in response to unforced climate variability as well as natural and anthropogenic forcing factors. Its temporal evolution allows detecting changes (e.g., acceleration) in one or more components. Study of the sea level budget provides constraints on missing or poorly known contributions, such as the unsurveyed deep ocean or the still uncertain land water component. In the context of the World Climate Research Programme Grand Challenge entitled ``Regional Sea Level and Coastal Impacts'', an international effort involving the sea level community worldwide has been recently initiated with the objective of assessing the various data sets used to estimate components of the sea level budget during the altimetry era (1993 to present). These data sets are based on the combination of a broad range of space-based and in situ observations, model estimates and algorithms. Evaluating their quality, quantifying uncertainties and identifying sources of discrepancies between component estimates is extremely useful for various applications in climate research. This effort involves several tens of scientists from about sixty research teams/institutions worldwide (http://www.wcrp-climate.org/grand-challenges/gc-sea-level). The results presented in this paper are a synthesis of the first assessment performed during 2017–2018. We present estimates of the altimetry-based global mean sea level (average rate of 3.1 ± 0.3 mm/yr and acceleration of 0.1 mm/yr2 over 1993–present), as well as of the different components of the sea level budget (doi:10.17882/54854). We further examine closure of the sea level budget, comparing the observed global mean sea level with the sum of components. Ocean thermal expansion, glaciers, Greenland and Antarctica contribute by 42 {\%}, 21 {\%}, 15 {\%} and 8 {\%} to the global mean sea level over the 1993–present. We also study the sea level budget over 2005–present, using GRACE-based ocean mass estimates instead of sum of individual mass components. Results show closure of the sea level budget within 0.3 mm/yr. Substantial uncertainty remains for the land water storage component, as shown in examining individual mass contributions to sea level.",
author = "Anny Cazenave and Benoit Meyssignac and Michael Ablain and Magdalena Balmaseda and Jonathan Bamber and Valentina Barletta and Brian Beckley and J{\'e}r{\^o}me Benveniste and Etienne Berthier and Alejandro Blazquez and Tim Boyer and Denise Caceres and Don Chambers and Nicolas Champollion and Ben Chao and Jianli Chen and Lijing Cheng and Church, {John A.} and Stephen Chuter and Cogley, {J. Graham} and Soenke Dangendorf and Damien Desbruy{\`e}res and Petra D{\"o}ll and Catia Domingues and Ulrike Falk and James Famiglietti and Luciana Fenoglio-Marc and Rene Forsberg and Gaia Galassi and Alex Gardner and Andreas Groh and Benjamin Hamlington and Anna Hogg and Martin Horwath and Vincent Humphrey and Laurent Husson and Masayoshi Ishii and Adrian Jaeggi and Svetlana Jevrejeva and Gregory Johnson and Nicolas Kolodziejczyk and J{\"u}rgen Kusche and Kurt Lambeck and Felix Landerer and Paul Leclercq and Benoit Legresy and Eric Leuliette and William Llovel and Richard Westaway and Bert Wouters and {WCRP Global Sea Level Budget Group}",
year = "2018",
month = "8",
day = "28",
doi = "10.5194/essd-10-1551-2018",
language = "English",
volume = "10",
pages = "1551--1590",
journal = "Earth System Science Data",
issn = "1866-3508",
publisher = "Copernicus GmbH",
number = "3",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Global Sea Level Budget 1993-Present

AU - Cazenave, Anny

AU - Meyssignac, Benoit

AU - Ablain, Michael

AU - Balmaseda, Magdalena

AU - Bamber, Jonathan

AU - Barletta, Valentina

AU - Beckley, Brian

AU - Benveniste, Jérôme

AU - Berthier, Etienne

AU - Blazquez, Alejandro

AU - Boyer, Tim

AU - Caceres, Denise

AU - Chambers, Don

AU - Champollion, Nicolas

AU - Chao, Ben

AU - Chen, Jianli

AU - Cheng, Lijing

AU - Church, John A.

AU - Chuter, Stephen

AU - Cogley, J. Graham

AU - Dangendorf, Soenke

AU - Desbruyères, Damien

AU - Döll, Petra

AU - Domingues, Catia

AU - Falk, Ulrike

AU - Famiglietti, James

AU - Fenoglio-Marc, Luciana

AU - Forsberg, Rene

AU - Galassi, Gaia

AU - Gardner, Alex

AU - Groh, Andreas

AU - Hamlington, Benjamin

AU - Hogg, Anna

AU - Horwath, Martin

AU - Humphrey, Vincent

AU - Husson, Laurent

AU - Ishii, Masayoshi

AU - Jaeggi, Adrian

AU - Jevrejeva, Svetlana

AU - Johnson, Gregory

AU - Kolodziejczyk, Nicolas

AU - Kusche, Jürgen

AU - Lambeck, Kurt

AU - Landerer, Felix

AU - Leclercq, Paul

AU - Legresy, Benoit

AU - Leuliette, Eric

AU - Llovel, William

AU - Westaway, Richard

AU - Wouters, Bert

AU - WCRP Global Sea Level Budget Group

PY - 2018/8/28

Y1 - 2018/8/28

N2 - Global mean sea level is an integral of changes occurring in the climate system in response to unforced climate variability as well as natural and anthropogenic forcing factors. Its temporal evolution allows detecting changes (e.g., acceleration) in one or more components. Study of the sea level budget provides constraints on missing or poorly known contributions, such as the unsurveyed deep ocean or the still uncertain land water component. In the context of the World Climate Research Programme Grand Challenge entitled ``Regional Sea Level and Coastal Impacts'', an international effort involving the sea level community worldwide has been recently initiated with the objective of assessing the various data sets used to estimate components of the sea level budget during the altimetry era (1993 to present). These data sets are based on the combination of a broad range of space-based and in situ observations, model estimates and algorithms. Evaluating their quality, quantifying uncertainties and identifying sources of discrepancies between component estimates is extremely useful for various applications in climate research. This effort involves several tens of scientists from about sixty research teams/institutions worldwide (http://www.wcrp-climate.org/grand-challenges/gc-sea-level). The results presented in this paper are a synthesis of the first assessment performed during 2017–2018. We present estimates of the altimetry-based global mean sea level (average rate of 3.1 ± 0.3 mm/yr and acceleration of 0.1 mm/yr2 over 1993–present), as well as of the different components of the sea level budget (doi:10.17882/54854). We further examine closure of the sea level budget, comparing the observed global mean sea level with the sum of components. Ocean thermal expansion, glaciers, Greenland and Antarctica contribute by 42 %, 21 %, 15 % and 8 % to the global mean sea level over the 1993–present. We also study the sea level budget over 2005–present, using GRACE-based ocean mass estimates instead of sum of individual mass components. Results show closure of the sea level budget within 0.3 mm/yr. Substantial uncertainty remains for the land water storage component, as shown in examining individual mass contributions to sea level.

AB - Global mean sea level is an integral of changes occurring in the climate system in response to unforced climate variability as well as natural and anthropogenic forcing factors. Its temporal evolution allows detecting changes (e.g., acceleration) in one or more components. Study of the sea level budget provides constraints on missing or poorly known contributions, such as the unsurveyed deep ocean or the still uncertain land water component. In the context of the World Climate Research Programme Grand Challenge entitled ``Regional Sea Level and Coastal Impacts'', an international effort involving the sea level community worldwide has been recently initiated with the objective of assessing the various data sets used to estimate components of the sea level budget during the altimetry era (1993 to present). These data sets are based on the combination of a broad range of space-based and in situ observations, model estimates and algorithms. Evaluating their quality, quantifying uncertainties and identifying sources of discrepancies between component estimates is extremely useful for various applications in climate research. This effort involves several tens of scientists from about sixty research teams/institutions worldwide (http://www.wcrp-climate.org/grand-challenges/gc-sea-level). The results presented in this paper are a synthesis of the first assessment performed during 2017–2018. We present estimates of the altimetry-based global mean sea level (average rate of 3.1 ± 0.3 mm/yr and acceleration of 0.1 mm/yr2 over 1993–present), as well as of the different components of the sea level budget (doi:10.17882/54854). We further examine closure of the sea level budget, comparing the observed global mean sea level with the sum of components. Ocean thermal expansion, glaciers, Greenland and Antarctica contribute by 42 %, 21 %, 15 % and 8 % to the global mean sea level over the 1993–present. We also study the sea level budget over 2005–present, using GRACE-based ocean mass estimates instead of sum of individual mass components. Results show closure of the sea level budget within 0.3 mm/yr. Substantial uncertainty remains for the land water storage component, as shown in examining individual mass contributions to sea level.

UR - http://www.scopus.com/inward/record.url?scp=85052817251&partnerID=8YFLogxK

U2 - 10.5194/essd-10-1551-2018

DO - 10.5194/essd-10-1551-2018

M3 - Article

VL - 10

SP - 1551

EP - 1590

JO - Earth System Science Data

JF - Earth System Science Data

SN - 1866-3508

IS - 3

ER -