A geological perspective on potential future sea-level rise

被引:24
作者
Rohling, Eelco J. [1 ,2 ]
Haigh, Ivan D. [2 ]
Foster, Gavin L. [2 ]
Roberts, Andrew P. [1 ]
Grant, Katharine M. [1 ,2 ]
机构
[1] Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 0200, Australia
[2] Univ Southampton, Natl Oceanog Ctr, Southampton SO14 3ZH, Hants, England
关键词
ICE-SHEET; CLIMATE-CHANGE; GLOBAL TEMPERATURE; VOLUME; CONSTRAINTS; VARIABILITY; COLLAPSE; IMPACT;
D O I
10.1038/srep03461
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
During ice-age cycles, continental ice volume kept pace with slow, multi-millennial scale, changes in climate forcing. Today, rapid greenhouse gas (GHG) increases have outpaced ice-volume responses, likely committing us to > 9 m of long-term sea-level rise (SLR). We portray a context of naturally precedented SLR from geological evidence, for comparison with historical observations and future projections. This context supports SLR of up to 0.9 (1.8) m by 2100 and 2.7 (5.0) m by 2200, relative to 2000, at 68% (95%) probability. Historical SLR observations and glaciological assessments track the upper 68% limit. Hence, modern change is rapid by past interglacial standards but within the range of 'normal' processes. The upper 95% limit offers a useful low probability/high risk value. Exceedance would require conditions without natural interglacial precedents, such as catastrophic ice-sheet collapse, or activation of major East Antarctic mass loss at sustained CO2 levels above 1000 ppmv.
引用
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页数:7
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共 60 条
[1]   Ice-sheet and sea-level changes [J].
Alley, RB ;
Clark, PU ;
Huybrechts, P ;
Joughin, I .
SCIENCE, 2005, 310 (5747) :456-460
[2]   Dominant Northern Hemisphere climate control over millennial-scale glacial sea-level variability [J].
Arz, Helge W. ;
Lamy, Frank ;
Ganopolski, Andrey ;
Nowaczyk, Norbert ;
Paetzold, Juergen .
QUATERNARY SCIENCE REVIEWS, 2007, 26 (3-4) :312-321
[3]  
Bamber JL, 2013, NAT CLIM CHANGE, V3, P424, DOI [10.1038/nclimate1778, 10.1038/NCLIMATE1778]
[4]   One-to-one coupling of glacial climate variability in Greenland and Antarctica [J].
Barbante, C. ;
Barnola, J. -M. ;
Becagli, S. ;
Beer, J. ;
Bigler, M. ;
Boutron, C. ;
Blunier, T. ;
Castellano, E. ;
Cattani, O. ;
Chappellaz, J. ;
Dahl-Jensen, D. ;
Debret, M. ;
Delmonte, B. ;
Dick, D. ;
Falourd, S. ;
Faria, S. ;
Federer, U. ;
Fischer, H. ;
Freitag, J. ;
Frenzel, A. ;
Fritzsche, D. ;
Fundel, F. ;
Gabrielli, P. ;
Gaspari, V. ;
Gersonde, R. ;
Graf, W. ;
Grigoriev, D. ;
Hamann, I. ;
Hansson, M. ;
Hoffmann, G. ;
Hutterli, M. A. ;
Huybrechts, P. ;
Isaksson, E. ;
Johnsen, S. ;
Jouzel, J. ;
Kaczmarska, M. ;
Karlin, T. ;
Kaufmann, P. ;
Kipfstuhl, S. ;
Kohno, M. ;
Lambert, F. ;
Lambrecht, Anja ;
Lambrecht, Astrid ;
Landais, A. ;
Lawer, G. ;
Leuenberger, M. ;
Littot, G. ;
Loulergue, L. ;
Luethi, D. ;
Maggi, V. .
NATURE, 2006, 444 (7116) :195-198
[5]   ICE SHEET SOURCES OF SEA LEVEL RISE AND FRESHWATER DISCHARGE DURING THE LAST DEGLACIATION [J].
Carlson, Anders E. ;
Clark, Peter U. .
REVIEWS OF GEOPHYSICS, 2012, 50
[6]   Sea level budget over 2003-2008: A reevaluation from GRACE space gravimetry, satellite altimetry and Argo [J].
Cazenave, A. ;
Dominh, K. ;
Guinehut, S. ;
Berthier, E. ;
Llovel, W. ;
Ramillien, G. ;
Ablain, M. ;
Larnicol, G. .
GLOBAL AND PLANETARY CHANGE, 2009, 65 (1-2) :83-88
[7]   Impact of artificial reservoir water impoundment on global sea level [J].
Chao, B. F. ;
Wu, Y. H. ;
Li, Y. S. .
SCIENCE, 2008, 320 (5873) :212-214
[8]   Significant decadal-scale impact of volcanic eruptions on sea level and ocean heat content [J].
Church, JA ;
White, NJ ;
Arblaster, JM .
NATURE, 2005, 438 (7064) :74-77
[9]   Sea-Level Rise from the Late 19th to the Early 21st Century [J].
Church, John A. ;
White, Neil J. .
SURVEYS IN GEOPHYSICS, 2011, 32 (4-5) :585-602
[10]   EVIDENCE FOR GENERAL INSTABILITY OF PAST CLIMATE FROM A 250-KYR ICE-CORE RECORD [J].
DANSGAARD, W ;
JOHNSEN, SJ ;
CLAUSEN, HB ;
DAHLJENSEN, D ;
GUNDESTRUP, NS ;
HAMMER, CU ;
HVIDBERG, CS ;
STEFFENSEN, JP ;
SVEINBJORNSDOTTIR, AE ;
JOUZEL, J ;
BOND, G .
NATURE, 1993, 364 (6434) :218-220