The Greenland Ice Sheet at the peak of warming during the previous Interglacial

The Last Interglacial (LIG or the Eemian) between ca. 130 and 115 kyr BP is probably the best analogue for future climate warming for which increasingly better proxy data are becoming available. The volume of the Greenland Ice Sheet (GrIS) during this period is of particular interest to better asses...

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Published in:Ice and Snow
Main Authors: O. Rybak O., F. Hoebrects, О. Рыбак О., Ф. Хёбрехтс
Format: Article in Journal/Newspaper
Language:Russian
Published: IGRAS 2015
Subjects:
Greenland;ice core;ice sheet;isotopic composition of ice;Last Interglacial;sea level;thermomechanical model
Гренландия;изотопный состав льда;ледниковый щит;ледяной керн;последнее межледниковье;термомеханическая модель;уровень моря
Greenland
Annals of Glaciology
Arctic
Greenland ice core
Greenland ice cores
ice core
Ice Sheet
Гренландия
Гренландский
Online Access:https://ice-snow.igras.ru/jour/article/view/44
https://doi.org/10.15356/2076-6734-2014-2-91-101
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record_format openpolar
institution Open Polar
collection Ice and Snow (E-Journal)
op_collection_id ftjias
language Russian
topic Greenland;ice core;ice sheet;isotopic composition of ice;Last Interglacial;sea level;thermomechanical model
Гренландия;изотопный состав льда;ледниковый щит;ледяной керн;последнее межледниковье;термомеханическая модель;уровень моря
spellingShingle Greenland;ice core;ice sheet;isotopic composition of ice;Last Interglacial;sea level;thermomechanical model
Гренландия;изотопный состав льда;ледниковый щит;ледяной керн;последнее межледниковье;термомеханическая модель;уровень моря
O. Rybak O.
F. Hoebrects
О. Рыбак О.
Ф. Хёбрехтс
The Greenland Ice Sheet at the peak of warming during the previous Interglacial
topic_facet Greenland;ice core;ice sheet;isotopic composition of ice;Last Interglacial;sea level;thermomechanical model
Гренландия;изотопный состав льда;ледниковый щит;ледяной керн;последнее межледниковье;термомеханическая модель;уровень моря
description The Last Interglacial (LIG or the Eemian) between ca. 130 and 115 kyr BP is probably the best analogue for future climate warming for which increasingly better proxy data are becoming available. The volume of the Greenland Ice Sheet (GrIS) during this period is of particular interest to better assess how much and how fast sea-level can rise in a future Earth undergoing gradual climatic warming. Sea-level during the LIG is inferred to have been up to 9 meter higher than today, but contribution of the GrIS into this rise remains unclear. Various ice-sheet modeling studies have come up with a very broad range of the LIG volume loss by the GrIS to between 60 cm and 6 m of equivalent sea-level rise. This wide range is explained by the sensitivity of GrIS models to the imposed climatic conditions and to poor knowledge of the LIG climate itself in terms of the magnitude and precise timing of the maximum warming, as well as in terms of spatial and annual patterns. To partially circumvent these uncertainties we made use of the newest temperature record over the Central Greenland reconstructed from the isotopic composition of the recently obtained NEEM ice core containing undisturbed LIG segment to build the climatic forcing of the model. The NEEM record unequivocally indicates times of the start and of the end of the LIG warming in Greenland as well as the duration of the warmest time period within the Eemian. Using a three-dimensional thermomechanical ice-sheet model, we produced an ensemble of possible LIG configurations by varying only four key parameters for temperature, precipitation rate, surface melting magnitude and melting pattern within realistic bounds. The outcome of a series of the numerical experiments is a variety of glaciologically consistent GrIS geometries corresponding to a wide range of possible «climates». To constrain the ensemble of GrIS geometries, we used data inferred from 5 Greenland ice cores such as the presence or absence of LIG ice, borehole temperature and isotopic composition. Lagrangian ...
format Article in Journal/Newspaper
author O. Rybak O.
F. Hoebrects
О. Рыбак О.
Ф. Хёбрехтс
author_facet O. Rybak O.
F. Hoebrects
О. Рыбак О.
Ф. Хёбрехтс
author_sort O. Rybak O.
title The Greenland Ice Sheet at the peak of warming during the previous Interglacial
title_short The Greenland Ice Sheet at the peak of warming during the previous Interglacial
title_full The Greenland Ice Sheet at the peak of warming during the previous Interglacial
title_fullStr The Greenland Ice Sheet at the peak of warming during the previous Interglacial
title_full_unstemmed The Greenland Ice Sheet at the peak of warming during the previous Interglacial
title_sort greenland ice sheet at the peak of warming during the previous interglacial
publisher IGRAS
publishDate 2015
url https://ice-snow.igras.ru/jour/article/view/44
https://doi.org/10.15356/2076-6734-2014-2-91-101
geographic Greenland
geographic_facet Greenland
genre Annals of Glaciology
Arctic
Greenland
Greenland ice core
Greenland ice cores
ice core
Ice Sheet
Гренландия
Гренландский
genre_facet Annals of Glaciology
Arctic
Greenland
Greenland ice core
Greenland ice cores
ice core
Ice Sheet
Гренландия
Гренландский
op_source Ice and Snow; Том 54, № 2 (2014); 91-101
Лёд и Снег; Том 54, № 2 (2014); 91-101
2412-3765
2076-6734
10.15356/2076-6734-2014-2
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Rybak O.O., Huybrechts P., Pattyn F., Steinhage D. Regional model of ice dynamics. Pt. 2. Post-experimental data processing. Materialy Glyatsiologicheskikh Issledovaniy. Data of Glaciological Studies. 2007, (103): 3–10. [In Russian].
Rybak O.O., Fürst J.J., Huybrechts P. Mathematical modeling of ice flow in the north-western Greenland and interpretation of deep drilling data at the NEEM camp. Led i Sneg. Ice and Snow. 2013, 1 (121): 16–25. [In Russian].
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Barker S., Knorr G., Edwards R. L., Parrenin F., Putnam A.E., Skinner L.C., Wolff E., Ziegler M. 800,000 Years of Abrupt Climate Variability. Science. 2011, 334: 347–351. doi:10.1126/science.1203580.
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Howat I.M., Joughin I., Scambos T.A. Rapid Changes in ice discharge from Greenland outlet glaciers. Science. 2007, 315: 1559–1561. doi:10.1126/science.1138478.
Howat I.M., Ahn Y., Joughin I., van den Broeke M.R., Lenaerts J.T.M., Smith B. Mass balance of Greenland’s three largest outlet glaciers, 2000–2010. Geophys. Research Letters. 2011, 38: L12501. doi:10.1029/2011GL047565.
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Koerner R.M. Ice core evidence for extensive melting of the Greenland Ice Sheet in the Last Interglacial. Science. 1989, 244: 964–968.
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https://ice-snow.igras.ru/jour/article/view/44
doi:10.15356/2076-6734-2014-2-91-101
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https://doi.org/10.15356/2076-6734-2014-2
https://doi.org/10.1126/science.1169335
https://doi.org/10.1126/science.1203580
https://doi.org/10.1126/science.282.5387.268
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spelling ftjias:oai:oai.ice.elpub.ru:article/44 2023-05-15T13:29:51+02:00 The Greenland Ice Sheet at the peak of warming during the previous Interglacial Гренландский ледниковый щит на пике потепления предыдущего межледниковья O. Rybak O. F. Hoebrects О. Рыбак О. Ф. Хёбрехтс 2015-03-26 https://ice-snow.igras.ru/jour/article/view/44 https://doi.org/10.15356/2076-6734-2014-2-91-101 ru rus IGRAS Kotlyakov V.M., Gordienko F.G. Izotopnaya i geokhimicheskaya glyatsiologiya. Isotope and Geochemical Glaciology. Leningrad: Hydrometeoizdat, 1982: 288 p. [In Russian]. Rybak O.O., Huybrechts P., Pattyn F., Steinhage D. Regional model of ice dynamics. Pt. 2. Post-experimental data processing. Materialy Glyatsiologicheskikh Issledovaniy. Data of Glaciological Studies. 2007, (103): 3–10. [In Russian]. Rybak O.O., Fürst J.J., Huybrechts P. Mathematical modeling of ice flow in the north-western Greenland and interpretation of deep drilling data at the NEEM camp. Led i Sneg. Ice and Snow. 2013, 1 (121): 16–25. [In Russian]. Bamber J.L., Layberry R.L., Gogineni S.P. A new ice thickness and bed data set for the Greenland Ice Sheet 1 – measurement, data reduction, and errors. Journ. of Geophys. Research. 2001, 106: 33773–33780. Bamber J.L., Riva R.E.M., Vermeersen B.L.A., LeBrock A.M. Reassessment of the potential sea-level rise from a collapse of the West Antarctic Ice Sheet. Science. 2009, 324: 901–903. doi:10.1126/science.1169335. Barker S., Knorr G., Edwards R. L., Parrenin F., Putnam A.E., Skinner L.C., Wolff E., Ziegler M. 800,000 Years of Abrupt Climate Variability. Science. 2011, 334: 347–351. doi:10.1126/science.1203580. Chappell J., Shackleton N.J. Oxygen isotopes and sea level. Nature. 1986, 324: 137–140. Cuffey K.M., Marshall S.J. Substantial contribution to sea-level rise during the last interglacial from the Greenland ice sheet. Nature. 2000, 404: 591–594. Colville E.J., Carlson A.E., Beard B.L., Hatfield R.J., Stoner J.S., Reyes A.V., Ullman D.J. Sr-Nd-Pb isotope evidence for ice-sheet presence on Southern Greenland during the Last Interglacial. Science. 2011, 333: 620–623. Dahl-Jensen D., Mosegaard K., Gundestrup N., Clow G.D., Johnsen S.J., Hansen A.W., Balling N. Past temperatures directly from the Greenland Ice Sheet. Science. 1998, 282: 268–271. doi:10.1126/science.282.5387.268. DeConto R. Potential for past and long-term future retreat of the West Antarctic ice sheet and the East Antarctic ice sheet margin. Abstracts, PALSEA2 Workshop «Estimating rates and sources of sea-level change during past warm periods», Rome, Italy, 21–25 October 2013. Dutton A., Lambeck K. Ice volume and sea level during the Last Interglacial. Science. 2012, 337: 216–219. doi:10.1126/science.1205749. Fyke J.G., Weaver A.J., Pollard D., Eby M., Carter L., Mackintosh A. A new coupled ice sheet-climate model: description and sensitivity to model physics under Eemian, Last Glacial Maximum, late Holocene and modern climate conditions. Geoscientific Model Development. 2011, 4: 117–136. Helsen M.M., van de Berg W.J., van de Wal R.S.W., van den Broeke M.R., Oerlemans J. Coupled regional climate-ice sheet simulation shows limited Greenland ice loss during the Eemian. Climate of the Past Discussions. 9: 1735–1770. doi:10.5194/cpd-9-1735-2013. Howat I.M., Joughin I., Scambos T.A. Rapid Changes in ice discharge from Greenland outlet glaciers. Science. 2007, 315: 1559–1561. doi:10.1126/science.1138478. Howat I.M., Ahn Y., Joughin I., van den Broeke M.R., Lenaerts J.T.M., Smith B. Mass balance of Greenland’s three largest outlet glaciers, 2000–2010. Geophys. Research Letters. 2011, 38: L12501. doi:10.1029/2011GL047565. Huybrechts P. Sea-level changes at the LGM from ice-dynamic reconstructions of the Greenland and Antarctic ice sheets during the glacial cycles. Quaternary Science Reviews. 2002, 21: 203–231. Huybrechts P., de Wolde J. The Dynamic Response of the Greenland and Antarctic Ice Sheets to Multiple-Century Climatic Warming. Journ. of Climate. 1999, 12: 2169–2188. Huybrechts P., Rybak O., Pattyn F., Ruth U., Steinhage D. Ice thinning, upstream advection and non-climatic biases for the upper 89% of the EDML ice core from a nested model of the Antarctic Ice Sheet. Climate of the Past. 2007, 3: 577–589. Imbrie J.Z., Hays J.D., Martinson D.G. The orbital theory of Pleistocene climate: support from a revised chronology of the marine δ18O record. Milankovitch and Climate. Еds.: A. Berger, J.Z. Imbrie, Hays J., Kukla G., Saltzman, B.D. Reidel. Dordrecht, 1984: 269–305. Janssens I., Huybrechts P. The treatment of meltwater retention in mass-balance parameterizations of the Greenland ice sheet. Annals of Glaciology. 2000, 31: 133–140. Johnsen S.J., Dahl-Jensen D., Dansgaard W., Gundestrup N.S. 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Research. 2005, 110: D07103. doi:10.1029/2004JD005489. https://ice-snow.igras.ru/jour/article/view/44 doi:10.15356/2076-6734-2014-2-91-101 Authors who publish with this journal agree to the following terms:Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access). 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CC-BY Ice and Snow; Том 54, № 2 (2014); 91-101 Лёд и Снег; Том 54, № 2 (2014); 91-101 2412-3765 2076-6734 10.15356/2076-6734-2014-2 Greenland;ice core;ice sheet;isotopic composition of ice;Last Interglacial;sea level;thermomechanical model Гренландия;изотопный состав льда;ледниковый щит;ледяной керн;последнее межледниковье;термомеханическая модель;уровень моря info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2015 ftjias https://doi.org/10.15356/2076-6734-2014-2-91-101 https://doi.org/10.15356/2076-6734-2014-2 https://doi.org/10.1126/science.1169335 https://doi.org/10.1126/science.1203580 https://doi.org/10.1126/science.282.5387.268 https://doi.org/10.1126/scien 2022-12-20T13:29:52Z The Last Interglacial (LIG or the Eemian) between ca. 130 and 115 kyr BP is probably the best analogue for future climate warming for which increasingly better proxy data are becoming available. The volume of the Greenland Ice Sheet (GrIS) during this period is of particular interest to better assess how much and how fast sea-level can rise in a future Earth undergoing gradual climatic warming. Sea-level during the LIG is inferred to have been up to 9 meter higher than today, but contribution of the GrIS into this rise remains unclear. Various ice-sheet modeling studies have come up with a very broad range of the LIG volume loss by the GrIS to between 60 cm and 6 m of equivalent sea-level rise. This wide range is explained by the sensitivity of GrIS models to the imposed climatic conditions and to poor knowledge of the LIG climate itself in terms of the magnitude and precise timing of the maximum warming, as well as in terms of spatial and annual patterns. To partially circumvent these uncertainties we made use of the newest temperature record over the Central Greenland reconstructed from the isotopic composition of the recently obtained NEEM ice core containing undisturbed LIG segment to build the climatic forcing of the model. The NEEM record unequivocally indicates times of the start and of the end of the LIG warming in Greenland as well as the duration of the warmest time period within the Eemian. Using a three-dimensional thermomechanical ice-sheet model, we produced an ensemble of possible LIG configurations by varying only four key parameters for temperature, precipitation rate, surface melting magnitude and melting pattern within realistic bounds. The outcome of a series of the numerical experiments is a variety of glaciologically consistent GrIS geometries corresponding to a wide range of possible «climates». To constrain the ensemble of GrIS geometries, we used data inferred from 5 Greenland ice cores such as the presence or absence of LIG ice, borehole temperature and isotopic composition. Lagrangian ... Article in Journal/Newspaper Annals of Glaciology Arctic Greenland Greenland ice core Greenland ice cores ice core Ice Sheet Гренландия Гренландский Ice and Snow (E-Journal) Greenland Ice and Snow 126 2 91

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