Holocene deglaciation of Marie Byrd Land, West Antarctica

被引:193
作者
Stone, JO
Balco, GA
Sugden, DE
Caffee, MW
Sass, LC
Cowdery, SG
Siddoway, C
机构
[1] Univ Washington, Quaternary Res Ctr, Seattle, WA 98195 USA
[2] Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA
[3] Univ Edinburgh, Dept Geog, Edinburgh EH8 9XP, Midlothian, Scotland
[4] L397 Lawrence Livermore Natl Lab, Ctr Accelerator Mass Spectrometry, Livermore, CA 94550 USA
[5] Colorado Coll, Dept Geol, Colorado Springs, CO 80903 USA
关键词
D O I
10.1126/science.1077998
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
Surface exposure ages of glacial deposits in the Ford Ranges of western Marie Byrd Land indicate continuous thinning of the West Antarctic Ice Sheet by more than 700 meters near the coast throughout the past 10,000 years. Deglaciation lagged the disappearance of ice sheets in the Northern Hemisphere by thousands of years and may still be under way. These results provide further evidence that parts of the West Antarctic Ice Sheet are on a long-term trajectory of decline. West Antarctic melting contributed water to the oceans in the late Holocene and may continue to do so in the future.
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收藏
页码:99 / 102
页数:4
相关论文
共 34 条
[21]   WEST ANTARCTIC ICE SHEET AND CO2 GREENHOUSE EFFECT - THREAT OF DISASTER [J].
MERCER, JH .
NATURE, 1978, 271 (5643) :321-325
[22]   Postglacial sea-level change on a rotating Earth: First results from a gravitationally self-consistent sea-level equation [J].
Milne, GA ;
Mitrovica, JX .
GEOPHYSICAL JOURNAL INTERNATIONAL, 1996, 126 (03) :F13-F20
[23]   THE MELTING HISTORY OF THE LATE PLEISTOCENE ANTARCTIC ICE-SHEET [J].
NAKADA, M ;
LAMBECK, K .
NATURE, 1988, 333 (6168) :36-40
[24]   Global warming and the stability of the West Antarctic Ice Sheet [J].
Oppenheimer, M .
NATURE, 1998, 393 (6683) :325-332
[25]   Postglacial variations in the level of the sea: Implications for climate dynamics and solid-earth geophysics [J].
Peltier, WR .
REVIEWS OF GEOPHYSICS, 1998, 36 (04) :603-689
[26]   Fast recession of a West Antarctic glacier [J].
Rignot, EJ .
SCIENCE, 1998, 281 (5376) :549-551
[27]   Pleistocene collapse of the West Antarctic ice sheet [J].
Scherer, RP ;
Aldahan, A ;
Tulaczyk, S ;
Possnert, G ;
Engelhardt, H ;
Kamb, B .
SCIENCE, 1998, 281 (5373) :82-85
[28]   Inland thinning of Pine Island Glacier, West Antarctica [J].
Shepherd, A ;
Wingham, DJ ;
Mansley, JAD ;
Corr, HFJ .
SCIENCE, 2001, 291 (5505) :862-864
[29]   How well can we parameterize past accumulation rates in polar ice sheets? [J].
Steig, EJ .
ANNALS OF GLACIOLOGY, VOL 25, 1997: PAPERS FROM THE INTERNATIONAL SYMPOSIUM ON REPRESENTATION OF THE CRYOSPHERE IN CLIMATE AND HYDROLOGICAL MODELS HELD AT VICTORIA, BRITISH COLUMBIA, CANADA, 12-15 AUGUST 1996, 1997, 25 :418-422
[30]  
STEIG EJ, 2001, ANTARCT RES SER, V77, P75, DOI DOI 10.1029/AR077