A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum

被引：205

作者：

Bentley, Michael J. ^{[1
]}

Cofaigh, Colm O. ^{[1
]}

Anderson, John B. ^{[2
]}

Conway, Howard ^{[3
]}

Davies, Bethan ^{[4
]}

Graham, Alastair G. C. ^{[5
]}

Hillenbrand, Claus-Dieter ^{[6
]}

Hodgson, Dominic A. ^{[6
]}

Jamieson, Stewart S. R. ^{[1
]}

Larter, Robert D. ^{[6
]}

Mackintosh, Andrew ^{[7
]}

Smith, James A. ^{[6
]}

Verleyen, Elie ^{[8
]}

Ackert, Robert P. ^{[9
]}

Bart, Philip J. ^{[10
]}

Berg, Sonja ^{[11
]}

Brunstein, Daniel ^{[12
]}

Canals, Miguel ^{[13
]}

Colhoun, Eric A. ^{[14
]}

Crosta, Xavier ^{[15
]}

Dickens, William A. ^{[6
]}

Domack, Eugene ^{[16
]}

Dowdeswell, Julian A. ^{[17
]}

Dunbar, Robert ^{[18
]}

Ehrmann, Werner ^{[19
]}

Evans, Jeffrey ^{[20
]}

Favier, Vincent ^{[21
]}

Fink, David ^{[22
]}

Fogwill, Christopher J. ^{[23
]}

Glasser, Neil F. ^{[4
]}

Gohl, Karsten ^{[24
]}

Golledge, Nicholas R. ^{[7
]}

Goodwin, Ian ^{[25
]}

Gore, Damian B. ^{[25
]}

Greenwood, Sarah L. ^{[26
]}

Hall, Brenda L. ^{[27
]}

Hall, Kevin ^{[28
]}

Hedding, David W. ^{[29
]}

Hein, Andrew S. ^{[30
]}

Hocking, Emma P. ^{[31
]}

Jakobsson, Martin ^{[26
]}

Johnson, Joanne S. ^{[6
]}

Jomelli, Vincent ^{[12
]}

Jones, R. Selwyn ^{[7
]}

Klages, Johann P. ^{[24
]}

Kristoffersen, Yngve ^{[32
]}

Kuhn, Gerhard ^{[24
]}

Leventer, Amy ^{[33
]}

Licht, Kathy ^{[34
]}

Lilly, Katherine ^{[35
]}

机构：

[1] Univ Durham, Dept Geog, Sci Labs, Durham DH1 3LE, England

[2] Rice Univ, Dept Earth Sci, Houston, TX 77005 USA

[3] Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA

[4] Aberystwyth Univ, Dept Geog & Earth Sci, Ctr Glaciol, Aberystwyth SY23 3DB, Dyfed, Wales

[5] Univ Exeter, Coll Life & Environm Sci, Exeter EX4 4RJ, Devon, England

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

[7] Victoria Univ Wellington, Antarctic Res Ctr, Wellington, New Zealand

[8] Univ Ghent, Dept Biol, Lab Protistol & Aquat Ecol, B-9000 Ghent, Belgium

[9] Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA

[10] Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA

[11] Univ Cologne, Inst Geol & Mineral, D-50674 Cologne, Germany

[12] Univ Paris 01, CNRS, Lab Geog Phys, F-92195 Meudon, France

[13] Univ Barcelona, Fac Geol, Dept Stratig Paleontol & Marine Geosci, CRG Marine Geosci, E-08028 Barcelona, Spain

[14] Univ Newcastle, Sch Environm & Life Sci, Callaghan, NSW 2308, Australia

[15] Univ Bordeaux 1, UMR 5805, F-33405 Talence, France

[16] Univ S Florida, Coll Marine Sci, St Petersburg, FL 33701 USA

[17] Univ Cambridge, Scott Polar Res Inst, Cambridge CB2 1ER, England

[18] Stanford Univ, Stanford, CA 94305 USA

[19] Univ Leipzig, Inst Geol & Geophys, D-04103 Leipzig, Germany

[20] Univ Loughborough, Dept Geog, Loughborough LE11 3TU, Leics, England

[21] UJF CNRS, UMR5183, LGGE, F-38402 St Martin Dheres, France

[22] Australian Nucl Sci & Technol Org, Inst Environm Res, Menai, NSW 2234, Australia

[23] Univ New S Wales, Climate Change Res Ctr, Sydney, NSW, Australia

[24] Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, D-27568 Bremerhaven, Germany

[25] Macquarie Univ, Dept Geog & Environm, N Ryde, NSW 2109, Australia

[26] Stockholm Univ, Dept Geol Sci, S-10691 Stockholm, Sweden

[27] Univ Maine, Sch Earth & Climate Sci, Orono, ME USA

[28] Univ No British Columbia, Geog Programme, Prince George, BC V2N 479, Canada

[29] Univ S Africa, Dept Geog, ZA-1710 Florida, South Africa

[30] Univ Edinburgh, Sch Geosci, Edinburgh EH8 9XP, Midlothian, Scotland

[31] Northumbria Univ, Dept Geog, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England

[32] Univ Bergen, Dept Earth Sci, N-5014 Bergen, Norway

[33] Colgate Univ, Dept Geol, Hamilton, NY 13346 USA

[34] Indiana Univ Purdue Univ, Dept Earth Sci, Indianapolis, IN 46202 USA

[35] Univ Otago, Dept Geol, Dunedin, New Zealand

[36] Univ Bremen, Dept Geosci, D-28359 Bremen, Germany

[37] Univ Sheffield, Dept Geog, Sheffield S10 2TN, S Yorkshire, England

[38] Univ Paris 06, CNRS, IRD, MNHN,LOCEAN,UMR7159, F-75252 Paris, France

[39] Landcare Res, Lincoln 7640, New Zealand

[40] Natl Inst Polar Res, Tokyo 1908518, Japan

[41] Univ Ft Hare, Dept Geog & Environm Sci, ZA-5700 Alice, South Africa

[42] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY USA

[43] Geosci Australia, Canberra, ACT 2601, Australia

[44] Univ Bern, Inst Geog, CH-3012 Bern, Switzerland

[45] Univ Bern, Oeschger Ctr Climate Change Res, CH-3012 Bern, Switzerland

[46] Macquarie Univ, Dept Biol Sci, N Ryde, NSW 2109, Australia

[47] Univ Calif Santa Barbara, Dept Earth Sci, Santa Barbara, CA 93106 USA

[48] Lund Univ, Dept Geol, SE-22362 Lund, Sweden

[49] Australian Antarctic Div, Hobart, Tas 7001, Australia

[50] Antarctic Climate & Ecosyst Cooperat Res Ctr, Hobart, Tas 7001, Australia

来源：

QUATERNARY SCIENCE REVIEWS | 2014年 / 100卷

基金：

美国国家科学基金会;

关键词：

Antarctic Ice Sheet; Glacial geology; Modelling; Quaternary; WEDDELL SEA EMBAYMENT; ISOSTATIC-ADJUSTMENT; STREAM STABILITY; LEVEL RISE; CONSTRAINTS; RETREAT; HISTORY; EXTENT; TERRESTRIAL; PENINSULA;

D O I：

10.1016/j.quascirev.2014.06.025

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

A robust understanding of Antarctic Ice Sheet deglacial history since the Last Glacial Maximum is important in order to constrain ice sheet and glacial-isostatic adjustment models, and to explore the forcing mechanisms responsible for ice sheet retreat. Such understanding can be derived from a broad range of geological and glaciological datasets and recent decades have seen an upsurge in such data gathering around the continent and Sub-Antarctic islands. Here, we report a new synthesis of those datasets, based on an accompanying series of reviews of the geological data, organised by sector. We present a series of timeslice maps for 20 ka, 15 ka, 10 ka and 5 ka, including grounding line position and ice sheet thickness changes, along with a clear assessment of levels of confidence. The reconstruction shows that the Antarctic Ice sheet did not everywhere reach the continental shelf edge at its maximum, that initial retreat was asynchronous, and that the spatial pattern of deglaciation was highly variable, particularly on the inner shelf. The deglacial reconstruction is consistent with a moderate overall excess ice volume and with a relatively small Antarctic contribution to meltwater pulse la. We discuss key areas of uncertainty both around the continent and by time interval, and we highlight potential priorities for future work. The synthesis is intended to be a resource for the modelling and glacial geological community. (C) 2014 The Authors. Published by Elsevier Ltd.

引用

页码：1 / 9

页数：9

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