MIS-11 duration key to disappearance of the Greenland ice sheet
Palaeo data suggest that Greenland must have been largely ice free during Marine Isotope Stage 11 (MIS-11). However, regional summer insolation anomalies were modest during this time compared to MIS-5e, when the Greenland ice sheet likely lost less volume. Thus it remains unclear how such conditions...
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ftleibnizopen:oai:oai.leibnizopen.de:tEGVhIgBdbrxVwz6VBQ3 2023-06-18T03:39:29+02:00 MIS-11 duration key to disappearance of the Greenland ice sheet Robinson, A. Alvarez-Solas, J. Calov, R. Ganopolski, A. Montoya, M. 2017 application/pdf https://oa.tib.eu/renate/handle/123456789/5158 https://doi.org/10.34657/3787 eng eng London : Nature Publishing Group CC BY 4.0 Unported https://creativecommons.org/licenses/by/4.0/ Nature Communications 8 (2017) climate modeling ice sheet insolation interglacial marine isotope stage mass balance paleoclimate proxy climate record sea level change temperature anomaly warming Article climate Greenland sea level summer taiga temperature Arctic Greenland Ice Sheet 550 article Text 2017 ftleibnizopen https://doi.org/10.34657/3787 2023-06-04T23:20:48Z Palaeo data suggest that Greenland must have been largely ice free during Marine Isotope Stage 11 (MIS-11). However, regional summer insolation anomalies were modest during this time compared to MIS-5e, when the Greenland ice sheet likely lost less volume. Thus it remains unclear how such conditions led to an almost complete disappearance of the ice sheet. Here we use transient climate-ice sheet simulations to simultaneously constrain estimates of regional temperature anomalies and Greenland's contribution to the MIS-11 sea-level highstand. We find that Greenland contributed 6.1 m (3.9-7.0 m, 95% credible interval) to sea level, ∼7 kyr after the peak in regional summer temperature anomalies of 2.8 °C (2.1-3.4 °C). The moderate warming produced a mean rate of mass loss in sea-level equivalent of only around 0.4 m per kyr, which means the long duration of MIS-11 interglacial conditions around Greenland was a necessary condition for the ice sheet to disappear almost completely. publishedVersion Article in Journal/Newspaper Arctic Greenland Greenland Sea Ice Sheet taiga LeibnizOpen (The Leibniz Association) Arctic Greenland |
institution |
Open Polar |
collection |
LeibnizOpen (The Leibniz Association) |
op_collection_id |
ftleibnizopen |
language |
English |
topic |
climate modeling ice sheet insolation interglacial marine isotope stage mass balance paleoclimate proxy climate record sea level change temperature anomaly warming Article climate Greenland sea level summer taiga temperature Arctic Greenland Ice Sheet 550 |
spellingShingle |
climate modeling ice sheet insolation interglacial marine isotope stage mass balance paleoclimate proxy climate record sea level change temperature anomaly warming Article climate Greenland sea level summer taiga temperature Arctic Greenland Ice Sheet 550 Robinson, A. Alvarez-Solas, J. Calov, R. Ganopolski, A. Montoya, M. MIS-11 duration key to disappearance of the Greenland ice sheet |
topic_facet |
climate modeling ice sheet insolation interglacial marine isotope stage mass balance paleoclimate proxy climate record sea level change temperature anomaly warming Article climate Greenland sea level summer taiga temperature Arctic Greenland Ice Sheet 550 |
description |
Palaeo data suggest that Greenland must have been largely ice free during Marine Isotope Stage 11 (MIS-11). However, regional summer insolation anomalies were modest during this time compared to MIS-5e, when the Greenland ice sheet likely lost less volume. Thus it remains unclear how such conditions led to an almost complete disappearance of the ice sheet. Here we use transient climate-ice sheet simulations to simultaneously constrain estimates of regional temperature anomalies and Greenland's contribution to the MIS-11 sea-level highstand. We find that Greenland contributed 6.1 m (3.9-7.0 m, 95% credible interval) to sea level, ∼7 kyr after the peak in regional summer temperature anomalies of 2.8 °C (2.1-3.4 °C). The moderate warming produced a mean rate of mass loss in sea-level equivalent of only around 0.4 m per kyr, which means the long duration of MIS-11 interglacial conditions around Greenland was a necessary condition for the ice sheet to disappear almost completely. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Robinson, A. Alvarez-Solas, J. Calov, R. Ganopolski, A. Montoya, M. |
author_facet |
Robinson, A. Alvarez-Solas, J. Calov, R. Ganopolski, A. Montoya, M. |
author_sort |
Robinson, A. |
title |
MIS-11 duration key to disappearance of the Greenland ice sheet |
title_short |
MIS-11 duration key to disappearance of the Greenland ice sheet |
title_full |
MIS-11 duration key to disappearance of the Greenland ice sheet |
title_fullStr |
MIS-11 duration key to disappearance of the Greenland ice sheet |
title_full_unstemmed |
MIS-11 duration key to disappearance of the Greenland ice sheet |
title_sort |
mis-11 duration key to disappearance of the greenland ice sheet |
publisher |
London : Nature Publishing Group |
publishDate |
2017 |
url |
https://oa.tib.eu/renate/handle/123456789/5158 https://doi.org/10.34657/3787 |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic Greenland Greenland Sea Ice Sheet taiga |
genre_facet |
Arctic Greenland Greenland Sea Ice Sheet taiga |
op_source |
Nature Communications 8 (2017) |
op_rights |
CC BY 4.0 Unported https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.34657/3787 |
_version_ |
1769004221386981376 |