A Reconciled Estimate of Ice-Sheet Mass Balance

被引：1063

作者：

Shepherd, Andrew ^{[1
]}

Ivins, Erik R. ^{[2
]}

Geruo, A. ^{[3
]}

Barletta, Valentina R. ^{[4
]}

Bentley, Mike J. ^{[5
]}

Bettadpur, Srinivas ^{[6
]}

Briggs, Kate H. ^{[1
]}

Bromwich, David H. ^{[7
,8
]}

Forsberg, Rene ^{[4
]}

Galin, Natalia ^{[9
]}

Horwath, Martin ^{[10
]}

Jacobs, Stan ^{[11
]}

Joughin, Ian ^{[12
]}

King, Matt A. ^{[13
,28
]}

Lenaerts, Jan T. M. ^{[14
]}

Li, Jilu ^{[15
]}

Ligtenberg, Stefan R. M. ^{[14
]}

Luckman, Adrian ^{[16
]}

Luthcke, Scott B. ^{[17
]}

McMillan, Malcolm

Meister, Rakia ^{[9
]}

Milne, Glenn ^{[18
]}

Mouginot, Jeremie ^{[19
]}

Muir, Alan ^{[9
]}

Nicolas, Julien P. ^{[7
,8
]}

Paden, John ^{[15
]}

Payne, Antony J. ^{[20
]}

Pritchard, Hamish ^{[21
]}

Rignot, Eric ^{[19
]}

Rott, Helmut ^{[22
]}

Sorensen, Louise Sandberg ^{[4
]}

Scambos, Ted A. ^{[23
]}

Scheuchl, Bernd

Schrama, Ernst J. O. ^{[24
]}

Smith, Ben ^{[12
]}

Sundal, Aud V. ^{[1
]}

van Angelen, Jan H. ^{[14
]}

van de Berg, Willem J. ^{[14
]}

van den Broeke, Michiel R. ^{[14
]}

Vaughan, David G. ^{[21
]}

Velicogna, Isabella ^{[2
,19
]}

Wahr, John ^{[3
]}

Whitehouse, Pippa L. ^{[5
]}

Wingham, Duncan J. ^{[9
]}

Yi, Donghui ^{[25
]}

Young, Duncan ^{[26
]}

Zwally, H. Jay ^{[27
]}

机构：

[1] Univ Leeds, Sch Earth & Environm, Leeds LS2 9JT, W Yorkshire, England

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[3] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[4] Tech Univ Denmark, DTU SPACE, Geodynam Dept, Natl Space Inst, DK-2880 Lyngby, Denmark

[5] Univ Durham, Dept Geog, Durham DH1 3LE, England

[6] Univ Texas Austin, Ctr Space Res, Austin, TX 78759 USA

[7] Ohio State Univ, Byrd Polar Res Ctr, Polar Meteorol Grp, Columbus, OH 43210 USA

[8] Ohio State Univ, Dept Geog, Atmospher Sci Program, Columbus, OH 43210 USA

[9] UCL, Dept Earth Sci, Ctr Polar Observat & Modelling, London WC1E 6BT, England

[10] Tech Univ Munich, Inst Astron & Phys Geodasie, D-80333 Munich, Germany

[11] Lamont Doherty Earth Observ, Palisades, NY 10964 USA

[12] Univ Washington, Appl Phys Lab, Polar Sci Ctr, Seattle, WA 98105 USA

[13] Newcastle Univ, Sch Civil Engn & Geosci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[14] Univ Utrecht, Inst Marine & Atmospher Res, Utrecht, Netherlands

[15] Univ Kansas, Ctr Remote Sensing Ice Sheets, Lawrence, KS 66045 USA

[16] Swansea Univ, Coll Sci, Dept Geog, Swansea SA2 8PP, W Glam, Wales

[17] NASA, Goddard Space Flight Ctr, Planetary Geodynam Lab, Greenbelt, MD 20771 USA

[18] Univ Ottawa, Dept Earth Sci, Ottawa, ON K1N 6N5, Canada

[19] Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA

[20] Univ Bristol, Sch Geog Sci, Bristol BS8 1SS, Avon, England

[21] British Antarctic Survey, Cambridge CB3 0ET, England

[22] Univ Innsbruck, Inst Meteorol & Geophys, A-6020 Innsbruck, Austria

[23] Univ Colorado, Natl Snow & Ice Data Ctr, Boulder, CO 80309 USA

[24] Delft Univ Technol, Fac Aerosp Engn, NL-2629 HS Delft, Netherlands

[25] NASA, Goddard Space Flight Ctr, Cryospher Sci Lab, SGT Inc, Greenbelt, MD 20771 USA

[26] Univ Texas Austin, Inst Geophys, Austin, TX 78759 USA

[27] NASA, Goddard Space Flight Ctr, Cryospher Sci Lab, Greenbelt, MD 20771 USA

[28] Univ Tasmania, Sch Geog & Environm Studies, Hobart, Tas 7001, Australia

来源：

SCIENCE | 2012年 / 338卷 / 6111期

基金：

英国自然环境研究理事会;

关键词：

PINE ISLAND GLACIER; RELATIVE SEA-LEVEL; ISOSTATIC-ADJUSTMENT; ANTARCTIC PENINSULA; WEST ANTARCTICA; GREENLAND; MODEL; CLIMATE; SURFACE; SHELF;

D O I：

10.1126/science.1228102

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We combined an ensemble of satellite altimetry, interferometry, and gravimetry data sets using common geographical regions, time intervals, and models of surface mass balance and glacial isostatic adjustment to estimate the mass balance of Earth's polar ice sheets. We find that there is good agreement between different satellite methods-especially in Greenland and West Antarctica-and that combining satellite data sets leads to greater certainty. Between 1992 and 2011, the ice sheets of Greenland, East Antarctica, West Antarctica, and the Antarctic Peninsula changed in mass by -142 +/- 49, +14 +/- 43, -65 +/- 26, and -20 +/- 14 gigatonnes year(-1), respectively. Since 1992, the polar ice sheets have contributed, on average, 0.59 +/- 0.20 millimeter year(-1) to the rate of global sea-level rise.

引用

页码：1183 / 1189

页数：7

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