Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing
The Greenland ice sheet contributes increasingly to global sea level rise. Its history during past warm intervals is a valuable reference for future sea level projections. We present ice sheet simulations for the Eemian interglacial period (∼130 000 to 115 000 years ago), a period with warmer-than-p...
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Online Access: | https://hdl.handle.net/11250/2648302 https://doi.org/10.5194/tc-13-2133-2019 |
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ftnorce:oai:norceresearch.brage.unit.no:11250/2648302 2023-05-15T16:24:19+02:00 Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing Plach, Andreas Nisancioglu, Kerim Hestnes Langebroek, Petra Born, Andreas Le clec'h, Sebastien 2019 application/pdf https://hdl.handle.net/11250/2648302 https://doi.org/10.5194/tc-13-2133-2019 eng eng https://www.the-cryosphere.net/13/2133/2019/tc-13-2133-2019.pdf Norges forskningsråd: 229788 Norges forskningsråd: 246929 Norges forskningsråd: 223272 Notur/NorStore: NS4659k EU/610055 Notur/NorStore: NN4659k The Cryosphere. 2019, 13 (8), 2133-2148. urn:issn:1994-0416 https://hdl.handle.net/11250/2648302 https://doi.org/10.5194/tc-13-2133-2019 cristin:1716079 CC BY 4.0 https://creativecommons.org/licenses/by/4.0/ CC-BY The Cryosphere 13 8 2133-2148 Peer reviewed Journal article 2019 ftnorce https://doi.org/10.5194/tc-13-2133-2019 2022-10-13T05:50:28Z The Greenland ice sheet contributes increasingly to global sea level rise. Its history during past warm intervals is a valuable reference for future sea level projections. We present ice sheet simulations for the Eemian interglacial period (∼130 000 to 115 000 years ago), a period with warmer-than-present summer climate over Greenland. The evolution of the Eemian Greenland ice sheet is simulated with a 3-D higher-order ice sheet model, forced with a surface mass balance derived from regional climate simulations. Sensitivity experiments with various surface mass balances, basal friction, and ice flow approximations are discussed. The surface mass balance forcing is identified as the controlling factor setting the minimum in Eemian ice volume, emphasizing the importance of a reliable surface mass balance model. Furthermore, the results indicate that the surface mass balance forcing is more important than the representation of ice flow for simulating the large-scale ice sheet evolution. This implies that modeling of the future contribution of the Greenland ice sheet to sea level rise highly depends on an accurate surface mass balance. publishedVersion Article in Journal/Newspaper Greenland Ice Sheet The Cryosphere NORCE vitenarkiv (Norwegian Research Centre) Greenland The Cryosphere 13 8 2133 2148 |
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Open Polar |
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NORCE vitenarkiv (Norwegian Research Centre) |
op_collection_id |
ftnorce |
language |
English |
description |
The Greenland ice sheet contributes increasingly to global sea level rise. Its history during past warm intervals is a valuable reference for future sea level projections. We present ice sheet simulations for the Eemian interglacial period (∼130 000 to 115 000 years ago), a period with warmer-than-present summer climate over Greenland. The evolution of the Eemian Greenland ice sheet is simulated with a 3-D higher-order ice sheet model, forced with a surface mass balance derived from regional climate simulations. Sensitivity experiments with various surface mass balances, basal friction, and ice flow approximations are discussed. The surface mass balance forcing is identified as the controlling factor setting the minimum in Eemian ice volume, emphasizing the importance of a reliable surface mass balance model. Furthermore, the results indicate that the surface mass balance forcing is more important than the representation of ice flow for simulating the large-scale ice sheet evolution. This implies that modeling of the future contribution of the Greenland ice sheet to sea level rise highly depends on an accurate surface mass balance. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Plach, Andreas Nisancioglu, Kerim Hestnes Langebroek, Petra Born, Andreas Le clec'h, Sebastien |
spellingShingle |
Plach, Andreas Nisancioglu, Kerim Hestnes Langebroek, Petra Born, Andreas Le clec'h, Sebastien Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
author_facet |
Plach, Andreas Nisancioglu, Kerim Hestnes Langebroek, Petra Born, Andreas Le clec'h, Sebastien |
author_sort |
Plach, Andreas |
title |
Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
title_short |
Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
title_full |
Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
title_fullStr |
Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
title_full_unstemmed |
Eemian Greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
title_sort |
eemian greenland ice sheet simulated with a higher-order model shows strong sensitivity to surface mass balance forcing |
publishDate |
2019 |
url |
https://hdl.handle.net/11250/2648302 https://doi.org/10.5194/tc-13-2133-2019 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Ice Sheet The Cryosphere |
genre_facet |
Greenland Ice Sheet The Cryosphere |
op_source |
The Cryosphere 13 8 2133-2148 |
op_relation |
https://www.the-cryosphere.net/13/2133/2019/tc-13-2133-2019.pdf Norges forskningsråd: 229788 Norges forskningsråd: 246929 Norges forskningsråd: 223272 Notur/NorStore: NS4659k EU/610055 Notur/NorStore: NN4659k The Cryosphere. 2019, 13 (8), 2133-2148. urn:issn:1994-0416 https://hdl.handle.net/11250/2648302 https://doi.org/10.5194/tc-13-2133-2019 cristin:1716079 |
op_rights |
CC BY 4.0 https://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.5194/tc-13-2133-2019 |
container_title |
The Cryosphere |
container_volume |
13 |
container_issue |
8 |
container_start_page |
2133 |
op_container_end_page |
2148 |
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1766012739469180928 |