Global sea-level budget 1993-present
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 changes (e.g.,acceleration) to be detected in one or more components. Study of the sea-level...
Published in: | Earth System Science Data |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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Copernicus GmbH
2018
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Subjects: | |
Online Access: | https://doi.org/10.5194/essd-10-1551-2018 http://ecite.utas.edu.au/152444 |
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ftunivtasecite:oai:ecite.utas.edu.au:152444 |
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Earth Sciences Geology Marine geoscience |
spellingShingle |
Earth Sciences Geology Marine geoscience Cazenave, A Meyssignac, B Ablain, M Balmaseda, M Bamber, J Barletta, V Beckley, B Benveniste, J Berthier, E Blazquez, A Boyer, T Caceres, D Chambers, D Champollion, N Chao, B Chen, J Cheng, L Church, JA Chuter, S Cogley, JG Dangendorf, S DesbruyA res, D DA ll, P Domingues, C Falk, U Famiglietti, J Fenoglio-Marc, L Forsberg, R Galassi, G Gardner, A Groh, A Hamlington, B Hogg, A Horwath, M Humphrey, V Husson, L Ishii, M Jaeggi, A Jevrejeva, S Johnson, G Kolodziejczyk, N Kusche, J Lambeck, K Landerer, F Leclercq, P Legresy, B Leuliette, E Llovel, W Longuevergne, W Loomis, BD Global sea-level budget 1993-present |
topic_facet |
Earth Sciences Geology Marine geoscience |
description |
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 changes (e.g.,acceleration) to be detected 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 datasets used to estimate components of the sea-level budget during the altimetry era (1993 to present). These datasets 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 50 research teams/institutions worldwide (www.wcrp-climate.org/grand-challenges/gc-sea-level, last access: 22 August 2018). 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 +/- 0.3mm yr(-1) and acceleration of 0.1 mm yr(-2) over 1993-present), as well as of the different components of the sea-level budget (http://doi.org/10.17882/54854, last access: 22 August 2018). 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 42%, 21%, 15% and 8% to the global mean sea level over the 1993-present period. We also study the sea-level budget over 2005-present, using ... |
format |
Article in Journal/Newspaper |
author |
Cazenave, A Meyssignac, B Ablain, M Balmaseda, M Bamber, J Barletta, V Beckley, B Benveniste, J Berthier, E Blazquez, A Boyer, T Caceres, D Chambers, D Champollion, N Chao, B Chen, J Cheng, L Church, JA Chuter, S Cogley, JG Dangendorf, S DesbruyA res, D DA ll, P Domingues, C Falk, U Famiglietti, J Fenoglio-Marc, L Forsberg, R Galassi, G Gardner, A Groh, A Hamlington, B Hogg, A Horwath, M Humphrey, V Husson, L Ishii, M Jaeggi, A Jevrejeva, S Johnson, G Kolodziejczyk, N Kusche, J Lambeck, K Landerer, F Leclercq, P Legresy, B Leuliette, E Llovel, W Longuevergne, W Loomis, BD |
author_facet |
Cazenave, A Meyssignac, B Ablain, M Balmaseda, M Bamber, J Barletta, V Beckley, B Benveniste, J Berthier, E Blazquez, A Boyer, T Caceres, D Chambers, D Champollion, N Chao, B Chen, J Cheng, L Church, JA Chuter, S Cogley, JG Dangendorf, S DesbruyA res, D DA ll, P Domingues, C Falk, U Famiglietti, J Fenoglio-Marc, L Forsberg, R Galassi, G Gardner, A Groh, A Hamlington, B Hogg, A Horwath, M Humphrey, V Husson, L Ishii, M Jaeggi, A Jevrejeva, S Johnson, G Kolodziejczyk, N Kusche, J Lambeck, K Landerer, F Leclercq, P Legresy, B Leuliette, E Llovel, W Longuevergne, W Loomis, BD |
author_sort |
Cazenave, A |
title |
Global sea-level budget 1993-present |
title_short |
Global sea-level budget 1993-present |
title_full |
Global sea-level budget 1993-present |
title_fullStr |
Global sea-level budget 1993-present |
title_full_unstemmed |
Global sea-level budget 1993-present |
title_sort |
global sea-level budget 1993-present |
publisher |
Copernicus GmbH |
publishDate |
2018 |
url |
https://doi.org/10.5194/essd-10-1551-2018 http://ecite.utas.edu.au/152444 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Antarc* Antarctica Greenland |
genre_facet |
Antarc* Antarctica Greenland |
op_relation |
http://ecite.utas.edu.au/152444/1/152444-Global sea-level budget 1993-present.pdf http://dx.doi.org/10.5194/essd-10-1551-2018 Cazenave, A and Meyssignac, B and Ablain, M and Balmaseda, M and Bamber, J and Barletta, V and Beckley, B and Benveniste, J and Berthier, E and Blazquez, A and Boyer, T and Caceres, D and Chambers, D and Champollion, N and Chao, B and Chen, J and Cheng, L and Church, JA and Chuter, S and Cogley, JG and Dangendorf, S and DesbruyA res, D and DA ll, P and Domingues, C and Falk, U and Famiglietti, J and Fenoglio-Marc, L and Forsberg, R and Galassi, G and Gardner, A and Groh, A and Hamlington, B and Hogg, A and Horwath, M and Humphrey, V and Husson, L and Ishii, M and Jaeggi, A and Jevrejeva, S and Johnson, G and Kolodziejczyk, N and Kusche, J and Lambeck, K and Landerer, F and Leclercq, P and Legresy, B and Leuliette, E and Llovel, W and Longuevergne, W and Loomis, BD and Luthcke, SB and Marcos, M and Marzeion, B and Merchant, C and Merrifield, M and Milne, G and Mitchum, G and Mohajerani, Y and Monier, M and Monselesan, D and Nerem, S and Palanisamy, H and Paul, F and Perez, B and Piecuch, CG and Ponte, RM and Purkey, SG and Reager, JT and Rietbroek, R and Rignot, E and Riva, R and Roemmich, DH and SA rensen, LS and Sasgen, I and Schrama, EJO and Seneviratne, SI and Shum, CK and Spada, G and Stammer, D and van de Wal, R and Velicogna, I and Schuckmann, Kv and Wada, Y and Wang, Y and Watson, C and Wiese, D and Wijffels, S and Westaway, R and Woppelmann, G and Wouters, B, WCRP Global Sea Level Budget Grp, Global sea-level budget 1993-present, Earth System Science Data, 10, (3) pp. 1551-1590. ISSN 1866-3508 (2018) [Refereed Article] http://ecite.utas.edu.au/152444 |
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https://doi.org/10.5194/essd-10-1551-2018 |
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ftunivtasecite:oai:ecite.utas.edu.au:152444 2023-05-15T13:42:40+02:00 Global sea-level budget 1993-present Cazenave, A Meyssignac, B Ablain, M Balmaseda, M Bamber, J Barletta, V Beckley, B Benveniste, J Berthier, E Blazquez, A Boyer, T Caceres, D Chambers, D Champollion, N Chao, B Chen, J Cheng, L Church, JA Chuter, S Cogley, JG Dangendorf, S DesbruyA res, D DA ll, P Domingues, C Falk, U Famiglietti, J Fenoglio-Marc, L Forsberg, R Galassi, G Gardner, A Groh, A Hamlington, B Hogg, A Horwath, M Humphrey, V Husson, L Ishii, M Jaeggi, A Jevrejeva, S Johnson, G Kolodziejczyk, N Kusche, J Lambeck, K Landerer, F Leclercq, P Legresy, B Leuliette, E Llovel, W Longuevergne, W Loomis, BD 2018 application/pdf https://doi.org/10.5194/essd-10-1551-2018 http://ecite.utas.edu.au/152444 en eng Copernicus GmbH http://ecite.utas.edu.au/152444/1/152444-Global sea-level budget 1993-present.pdf http://dx.doi.org/10.5194/essd-10-1551-2018 Cazenave, A and Meyssignac, B and Ablain, M and Balmaseda, M and Bamber, J and Barletta, V and Beckley, B and Benveniste, J and Berthier, E and Blazquez, A and Boyer, T and Caceres, D and Chambers, D and Champollion, N and Chao, B and Chen, J and Cheng, L and Church, JA and Chuter, S and Cogley, JG and Dangendorf, S and DesbruyA res, D and DA ll, P and Domingues, C and Falk, U and Famiglietti, J and Fenoglio-Marc, L and Forsberg, R and Galassi, G and Gardner, A and Groh, A and Hamlington, B and Hogg, A and Horwath, M and Humphrey, V and Husson, L and Ishii, M and Jaeggi, A and Jevrejeva, S and Johnson, G and Kolodziejczyk, N and Kusche, J and Lambeck, K and Landerer, F and Leclercq, P and Legresy, B and Leuliette, E and Llovel, W and Longuevergne, W and Loomis, BD and Luthcke, SB and Marcos, M and Marzeion, B and Merchant, C and Merrifield, M and Milne, G and Mitchum, G and Mohajerani, Y and Monier, M and Monselesan, D and Nerem, S and Palanisamy, H and Paul, F and Perez, B and Piecuch, CG and Ponte, RM and Purkey, SG and Reager, JT and Rietbroek, R and Rignot, E and Riva, R and Roemmich, DH and SA rensen, LS and Sasgen, I and Schrama, EJO and Seneviratne, SI and Shum, CK and Spada, G and Stammer, D and van de Wal, R and Velicogna, I and Schuckmann, Kv and Wada, Y and Wang, Y and Watson, C and Wiese, D and Wijffels, S and Westaway, R and Woppelmann, G and Wouters, B, WCRP Global Sea Level Budget Grp, Global sea-level budget 1993-present, Earth System Science Data, 10, (3) pp. 1551-1590. ISSN 1866-3508 (2018) [Refereed Article] http://ecite.utas.edu.au/152444 Earth Sciences Geology Marine geoscience Refereed Article PeerReviewed 2018 ftunivtasecite https://doi.org/10.5194/essd-10-1551-2018 2022-10-03T22:16:55Z 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 changes (e.g.,acceleration) to be detected 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 datasets used to estimate components of the sea-level budget during the altimetry era (1993 to present). These datasets 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 50 research teams/institutions worldwide (www.wcrp-climate.org/grand-challenges/gc-sea-level, last access: 22 August 2018). 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 +/- 0.3mm yr(-1) and acceleration of 0.1 mm yr(-2) over 1993-present), as well as of the different components of the sea-level budget (http://doi.org/10.17882/54854, last access: 22 August 2018). 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 42%, 21%, 15% and 8% to the global mean sea level over the 1993-present period. We also study the sea-level budget over 2005-present, using ... Article in Journal/Newspaper Antarc* Antarctica Greenland eCite UTAS (University of Tasmania) Greenland Earth System Science Data 10 3 1551 1590 |