Global sea-level budget 1993-present

被引：396

作者：

Cazenave, Anny ^{[1
,2
]}

Meyssignac, Benoit ^{[1
]}

Ablain, Michael ^{[3
]}

Balmaseda, Magdalena ^{[4
]}

Bamber, Jonathan ^{[5
]}

Barletta, Valentina ^{[6
]}

Beckley, Brian ^{[7
,8
]}

Benveniste, Jerome ^{[9
]}

Berthier, Etienne ^{[1
]}

Blazquez, Alejandro ^{[1
]}

Boyer, Tim ^{[10
]}

Caceres, Denise ^{[11
]}

Chambers, Don ^{[12
]}

Champollion, Nicolas ^{[13
]}

Chao, Ben ^{[14
]}

Chen, Jianli ^{[15
]}

Cheng, Lijing ^{[16
]}

Church, John A. ^{[17
]}

Chuter, Stephen ^{[5
]}

Cogley, J. Graham ^{[18
]}

Dangendorf, Soenke ^{[19
]}

Desbruyeres, Damien ^{[20
]}

Doell, Petra ^{[11
]}

Domingues, Catia ^{[21
]}

Falk, Ulrike ^{[13
]}

Famiglietti, James ^{[22
]}

Fenoglio-Marc, Luciana ^{[23
]}

Forsberg, Rene ^{[6
]}

Galassi, Gaia ^{[24
]}

Gardner, Alex ^{[22
]}

Groh, Andreas ^{[25
]}

Hamlington, Benjamin ^{[26
]}

Hogg, Anna ^{[27
]}

Horwath, Martin ^{[25
]}

Humphrey, Vincent ^{[28
]}

Husson, Laurent ^{[29
]}

Ishii, Masayoshi ^{[30
]}

Jaeggi, Adrian ^{[31
]}

Jevrejeva, Svetlana ^{[32
]}

Johnson, Gregory ^{[33
]}

Kolodziejczyk, Nicolas ^{[34
]}

Kusche, Juergen ^{[31
]}

Lambeck, Kurt ^{[2
,35
]}

Landerer, Felix ^{[22
]}

Leclercq, Paul ^{[36
]}

Legresy, Benoit ^{[21
]}

Leuliette, Eric ^{[10
]}

Llovel, William ^{[1
]}

Longuevergne, Laurent ^{[37
]}

Loomis, Bryant D. ^{[8
]}

机构：

[1] LEGOS, Toulouse, France

[2] ISSI, Bern, Switzerland

[3] CLS, Ramonville St Agne, France

[4] ECMWF, Reading, Berks, England

[5] Univ Bristol, Bristol, Avon, England

[6] DTU SPACE, Lyngby, Denmark

[7] SGT Inc, Greenbelt, MD USA

[8] NASA, GSFC, Greenbelt, MD USA

[9] ESA ESRIN, Frascati, Italy

[10] NOAA, Silver Spring, MD USA

[11] Goethe Univ, Frankfurt, Germany

[12] Univ S Florida, Tampa, FL USA

[13] Univ Bremen, Bremen, Germany

[14] IES AS, Taipei, Taiwan

[15] Univ Texas Dallas, Richardson, TX 75083 USA

[16] IAP CAS, Beijing, Peoples R China

[17] Univ New South Wales, Sydney, NSW, Australia

[18] Trent Univ, Trento, Italy

[19] Univ Siegen, Siegen, Germany

[20] IFREMER, Issy Les Moulineaux, France

[21] CSIRO, Canberra, ACT, Australia

[22] CALTECH, JPL, Pasadena, CA 91125 USA

[23] Univ Bonn, Bonn, Germany

[24] Univ Urbino, Urbino, Italy

[25] Tech Univ Dresden, Dresden, Germany

[26] Old Dominion Univ, Norfolk, VA 23529 USA

[27] Univ Leeds, Leeds, W Yorkshire, England

[28] ETHZ, Zurich, Switzerland

[29] Univ Grenoble, Grenoble, France

[30] MRI JMA, Tsukuba, Ibaraki, Japan

[31] Univ Bern, Bern, Switzerland

[32] NOC, Southampton, Hants, England

[33] NOAA, PMEL, Bethesda, MD USA

[34] LOPS, Brest, France

[35] Australian Natl Univ, Canberra, ACT, Australia

[36] UIO, Oslo, Norway

[37] Univ Rennes, Rennes, France

[38] UIB, Palma De Mallorca, Spain

[39] Univ Reading, Reading, Berks, England

[40] UCSD, La Jolla, CA USA

[41] Univ Ottawa, Ottawa, ON, Canada

[42] UCI, Irvine, CA USA

[43] Mercator Ocean, Romonville St Agne, France

[44] Univ Colorado, Boulder, CO 80309 USA

[45] UZH, Zurich, Switzerland

[46] Puerto Del Estados, Madrid, Spain

[47] WHOI, Falmouth, MA USA

[48] AER Inc, Lexington, MA USA

[49] SIO UCSD, La Jolla, CA USA

[50] JPL, Pasadena, CA USA

来源：

EARTH SYSTEM SCIENCE DATA | 2018年 / 10卷 / 03期

基金：

欧盟地平线“2020”;

关键词：

GLACIAL-ISOSTATIC-ADJUSTMENT; FOREST RESOURCES ASSESSMENT; GREENLAND ICE-SHEET; TERRESTRIAL WATER STORAGE; VERTICAL LAND MOTION; SURFACE MASS-BALANCE; COVER DATA SET; SATELLITE ALTIMETRY; CLIMATE-CHANGE; GROUNDWATER DEPLETION;

D O I：

10.5194/essd-10-1551-2018

中图分类号：

P [天文学、地球科学];

学科分类号：

070403 [天体物理学];

摘要：

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 GRACE-based ocean mass estimates instead of the sum of individual mass components. Our results demonstrate that the global mean sea level can be closed to within 0.3 mm yr(-1) (1 sigma). Substantial uncertainty remains for the land water storage component, as shown when examining individual mass contributions to sea level.

引用

页码：1551 / 1590

页数：40

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