A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum
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...
Published in: | Quaternary Science Reviews |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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2014
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Subjects: | |
Online Access: | https://researchprofiles.canberra.edu.au/en/publications/6f7bbe68-263d-43f5-96a2-257d15da8a5c https://doi.org/10.1016/j.quascirev.2014.06.025 https://researchsystem.canberra.edu.au/ws/files/8351820/full_text_published.pdf http://www.scopus.com/inward/record.url?scp=84907595436&partnerID=8YFLogxK http://www.mendeley.com/research/communitybased-geological-reconstruction-antarctic-ice-sheet-deglaciation-since-last-glacial-maximum |
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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 20ka, 15ka, 10ka and 5ka, 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 1a. We discuss key areas of uncertainty both around the continent and by time interval, and we highlight potential priorit. |
format |
Article in Journal/Newspaper |
author |
Bentley, Michael Cofaigh, Colm Anderson, John Conway, Howard Davies, Bethan Graham, Alastair G C Hillenbrand, Claus Dieter Hodgson, Dominic Jamieson, Stewart Larter, Robert Mackintosh, Andrew Smith, James A. Verleyen, Elie Ackert, Robert P. Bart, Philip Berg, Sonja Brunstein, Daniel Canals, Miquel Colhoun, Eric Crosta, Xavier Dickens, William Domack, Eugene Dowdeswell, Julian Dunbar, Robert Ehrmann, Werner Evans, Jeffrey Favier, Vincent Fink, David Fogwill, Christopher J. Glasser, Neil Gohl, Karsten Golledge, Nicholas R. Goodwin, Ian Gore, Damian B. Greenwood, Sarah Hall, Brenda L. Hall, Kevin Hedding, David Hein, Andrew Hocking, Emma Jakobsson, Martin Johnson, Joanne Jomelli, Vincent Jones, R. Selwyn Klages, Johann Kristoffersen, Yngve Kuhn, Gerhard Leventer, Amy Licht, Kathy Lilly, Katherine |
spellingShingle |
Bentley, Michael Cofaigh, Colm Anderson, John Conway, Howard Davies, Bethan Graham, Alastair G C Hillenbrand, Claus Dieter Hodgson, Dominic Jamieson, Stewart Larter, Robert Mackintosh, Andrew Smith, James A. Verleyen, Elie Ackert, Robert P. Bart, Philip Berg, Sonja Brunstein, Daniel Canals, Miquel Colhoun, Eric Crosta, Xavier Dickens, William Domack, Eugene Dowdeswell, Julian Dunbar, Robert Ehrmann, Werner Evans, Jeffrey Favier, Vincent Fink, David Fogwill, Christopher J. Glasser, Neil Gohl, Karsten Golledge, Nicholas R. Goodwin, Ian Gore, Damian B. Greenwood, Sarah Hall, Brenda L. Hall, Kevin Hedding, David Hein, Andrew Hocking, Emma Jakobsson, Martin Johnson, Joanne Jomelli, Vincent Jones, R. Selwyn Klages, Johann Kristoffersen, Yngve Kuhn, Gerhard Leventer, Amy Licht, Kathy Lilly, Katherine A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum |
author_facet |
Bentley, Michael Cofaigh, Colm Anderson, John Conway, Howard Davies, Bethan Graham, Alastair G C Hillenbrand, Claus Dieter Hodgson, Dominic Jamieson, Stewart Larter, Robert Mackintosh, Andrew Smith, James A. Verleyen, Elie Ackert, Robert P. Bart, Philip Berg, Sonja Brunstein, Daniel Canals, Miquel Colhoun, Eric Crosta, Xavier Dickens, William Domack, Eugene Dowdeswell, Julian Dunbar, Robert Ehrmann, Werner Evans, Jeffrey Favier, Vincent Fink, David Fogwill, Christopher J. Glasser, Neil Gohl, Karsten Golledge, Nicholas R. Goodwin, Ian Gore, Damian B. Greenwood, Sarah Hall, Brenda L. Hall, Kevin Hedding, David Hein, Andrew Hocking, Emma Jakobsson, Martin Johnson, Joanne Jomelli, Vincent Jones, R. Selwyn Klages, Johann Kristoffersen, Yngve Kuhn, Gerhard Leventer, Amy Licht, Kathy Lilly, Katherine |
author_sort |
Bentley, Michael |
title |
A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum |
title_short |
A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum |
title_full |
A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum |
title_fullStr |
A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum |
title_full_unstemmed |
A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum |
title_sort |
community-based geological reconstruction of antarctic ice sheet deglaciation since the last glacial maximum |
publishDate |
2014 |
url |
https://researchprofiles.canberra.edu.au/en/publications/6f7bbe68-263d-43f5-96a2-257d15da8a5c https://doi.org/10.1016/j.quascirev.2014.06.025 https://researchsystem.canberra.edu.au/ws/files/8351820/full_text_published.pdf http://www.scopus.com/inward/record.url?scp=84907595436&partnerID=8YFLogxK http://www.mendeley.com/research/communitybased-geological-reconstruction-antarctic-ice-sheet-deglaciation-since-last-glacial-maximum |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Ice Sheet |
genre_facet |
Antarc* Antarctic Ice Sheet |
op_source |
Bentley , M , Cofaigh , C , Anderson , J , Conway , H , Davies , B , Graham , A G C , Hillenbrand , C D , Hodgson , D , Jamieson , S , Larter , R , Mackintosh , A , Smith , J A , Verleyen , E , Ackert , R P , Bart , P , Berg , S , Brunstein , D , Canals , M , Colhoun , E , Crosta , X , Dickens , W , Domack , E , Dowdeswell , J , Dunbar , R , Ehrmann , W , Evans , J , Favier , V , Fink , D , Fogwill , C J , Glasser , N , Gohl , K , Golledge , N R , Goodwin , I , Gore , D B , Greenwood , S , Hall , B L , Hall , K , Hedding , D , Hein , A , Hocking , E , Jakobsson , M , Johnson , J , Jomelli , V , Jones , R S , Klages , J , Kristoffersen , Y , Kuhn , G , Leventer , A , Licht , K , Lilly , K , Lindow , J , Livingstone , S , Masse , G , McGlone , M , McKay , R M , Melles , M , Miura , H , Mulvaney , R , Nel , W , Nitsche , F , O'Brien , P E , Post , A L , Roberts , S J , Saunders , K , Selkirk , P , Simms , A , Spiegel , C , Stolldorf , T , Sugden , D , van der Putten , N , van Ommen , T , Verfaillie , D , Vyverman , W , Wagner , B , WHITE , D , Witus , A & Zwartz , D 2014 , ' A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum ' , Quaternary Science Reviews , vol. 100 , pp. 1-9 . https://doi.org/10.1016/j.quascirev.2014.06.025 |
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https://doi.org/10.1016/j.quascirev.2014.06.025 |
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Quaternary Science Reviews |
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100 |
container_start_page |
1 |
op_container_end_page |
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ftcanberrauncris:oai:pure.atira.dk:publications/6f7bbe68-263d-43f5-96a2-257d15da8a5c 2023-05-15T13:38:46+02:00 A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum Bentley, Michael Cofaigh, Colm Anderson, John Conway, Howard Davies, Bethan Graham, Alastair G C Hillenbrand, Claus Dieter Hodgson, Dominic Jamieson, Stewart Larter, Robert Mackintosh, Andrew Smith, James A. Verleyen, Elie Ackert, Robert P. Bart, Philip Berg, Sonja Brunstein, Daniel Canals, Miquel Colhoun, Eric Crosta, Xavier Dickens, William Domack, Eugene Dowdeswell, Julian Dunbar, Robert Ehrmann, Werner Evans, Jeffrey Favier, Vincent Fink, David Fogwill, Christopher J. Glasser, Neil Gohl, Karsten Golledge, Nicholas R. Goodwin, Ian Gore, Damian B. Greenwood, Sarah Hall, Brenda L. Hall, Kevin Hedding, David Hein, Andrew Hocking, Emma Jakobsson, Martin Johnson, Joanne Jomelli, Vincent Jones, R. Selwyn Klages, Johann Kristoffersen, Yngve Kuhn, Gerhard Leventer, Amy Licht, Kathy Lilly, Katherine 2014 application/pdf https://researchprofiles.canberra.edu.au/en/publications/6f7bbe68-263d-43f5-96a2-257d15da8a5c https://doi.org/10.1016/j.quascirev.2014.06.025 https://researchsystem.canberra.edu.au/ws/files/8351820/full_text_published.pdf http://www.scopus.com/inward/record.url?scp=84907595436&partnerID=8YFLogxK http://www.mendeley.com/research/communitybased-geological-reconstruction-antarctic-ice-sheet-deglaciation-since-last-glacial-maximum eng eng info:eu-repo/semantics/openAccess Bentley , M , Cofaigh , C , Anderson , J , Conway , H , Davies , B , Graham , A G C , Hillenbrand , C D , Hodgson , D , Jamieson , S , Larter , R , Mackintosh , A , Smith , J A , Verleyen , E , Ackert , R P , Bart , P , Berg , S , Brunstein , D , Canals , M , Colhoun , E , Crosta , X , Dickens , W , Domack , E , Dowdeswell , J , Dunbar , R , Ehrmann , W , Evans , J , Favier , V , Fink , D , Fogwill , C J , Glasser , N , Gohl , K , Golledge , N R , Goodwin , I , Gore , D B , Greenwood , S , Hall , B L , Hall , K , Hedding , D , Hein , A , Hocking , E , Jakobsson , M , Johnson , J , Jomelli , V , Jones , R S , Klages , J , Kristoffersen , Y , Kuhn , G , Leventer , A , Licht , K , Lilly , K , Lindow , J , Livingstone , S , Masse , G , McGlone , M , McKay , R M , Melles , M , Miura , H , Mulvaney , R , Nel , W , Nitsche , F , O'Brien , P E , Post , A L , Roberts , S J , Saunders , K , Selkirk , P , Simms , A , Spiegel , C , Stolldorf , T , Sugden , D , van der Putten , N , van Ommen , T , Verfaillie , D , Vyverman , W , Wagner , B , WHITE , D , Witus , A & Zwartz , D 2014 , ' A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum ' , Quaternary Science Reviews , vol. 100 , pp. 1-9 . https://doi.org/10.1016/j.quascirev.2014.06.025 article 2014 ftcanberrauncris https://doi.org/10.1016/j.quascirev.2014.06.025 2022-10-31T06:44:21Z 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 20ka, 15ka, 10ka and 5ka, 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 1a. We discuss key areas of uncertainty both around the continent and by time interval, and we highlight potential priorit. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet University of Canberra Research Portal Antarctic The Antarctic Quaternary Science Reviews 100 1 9 |