Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming
We coupled together high-resolution versions of the ocean–sea ice model NEMO and the ice sheet model BISICLES configured to the Totten Glacier area and ran a series of simulations over the recent past (1995–2014) and under warming conditions (2081–2100; SSP4-4.5) with NEMO in stand-alone mode...
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Online Access: | http://hdl.handle.net/2078.1/273938 https://doi.org/10.3390/geosciences13040106 |
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ftunistlouisbrus:oai:dial.uclouvain.be:boreal:273938 2024-05-12T07:54:58+00:00 Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming Van Achter, Guillian Fichefet, Thierry Goosse, Hugues Pelletier, Charles Haubner, Konstanze Pattyn, Franck UCL - SST/ELI/ELIC - Earth & Climate 2023 http://hdl.handle.net/2078.1/273938 https://doi.org/10.3390/geosciences13040106 eng eng MDPI boreal:273938 http://hdl.handle.net/2078.1/273938 doi:10.3390/geosciences13040106 urn:EISSN:2076-3263 info:eu-repo/semantics/openAccess Geosciences, Vol. 13, no.4, p. 27 (2023) info:eu-repo/semantics/article 2023 ftunistlouisbrus https://doi.org/10.3390/geosciences13040106 2024-04-18T17:06:23Z We coupled together high-resolution versions of the ocean–sea ice model NEMO and the ice sheet model BISICLES configured to the Totten Glacier area and ran a series of simulations over the recent past (1995–2014) and under warming conditions (2081–2100; SSP4-4.5) with NEMO in stand-alone mode and with the coupled model to assess the effects of the coupling. During the recent past, the ocean–ice sheet coupling has increased the time-averaged value of the basal melt rate in both the Totten and Moscow University ice shelf cavities by 6.7% and 14.2% , respectively. The relationship between the changes in ice shelf thickness and ice shelf basal melt rate suggests that the effect of the coupling is not a linear response to the melt rate but rather a more complex response, driven partly by the dynamical component of the ice sheet model. The response of the ice sheet–ocean coupling due to the ocean warming is a 10% and 3% basal melt rate decrease in the Totten and Moscow University ice shelf cavities, respectively. This indicates that the ocean–ice sheet coupling under climate warming conditions dampens the basal melt rates. Our study highlights the importance of incorporating ocean–ice sheet coupling in climate simulations, even over short time periods. Article in Journal/Newspaper Antarc* Antarctica East Antarctica Ice Sheet Ice Shelf Moscow University Ice Shelf Sea ice Totten Glacier DIAL@USL-B (Université Saint-Louis, Bruxelles) East Antarctica Moscow University Ice Shelf ENVELOPE(121.000,121.000,-67.000,-67.000) Totten Glacier ENVELOPE(116.333,116.333,-66.833,-66.833) Geosciences 13 4 106 |
institution |
Open Polar |
collection |
DIAL@USL-B (Université Saint-Louis, Bruxelles) |
op_collection_id |
ftunistlouisbrus |
language |
English |
description |
We coupled together high-resolution versions of the ocean–sea ice model NEMO and the ice sheet model BISICLES configured to the Totten Glacier area and ran a series of simulations over the recent past (1995–2014) and under warming conditions (2081–2100; SSP4-4.5) with NEMO in stand-alone mode and with the coupled model to assess the effects of the coupling. During the recent past, the ocean–ice sheet coupling has increased the time-averaged value of the basal melt rate in both the Totten and Moscow University ice shelf cavities by 6.7% and 14.2% , respectively. The relationship between the changes in ice shelf thickness and ice shelf basal melt rate suggests that the effect of the coupling is not a linear response to the melt rate but rather a more complex response, driven partly by the dynamical component of the ice sheet model. The response of the ice sheet–ocean coupling due to the ocean warming is a 10% and 3% basal melt rate decrease in the Totten and Moscow University ice shelf cavities, respectively. This indicates that the ocean–ice sheet coupling under climate warming conditions dampens the basal melt rates. Our study highlights the importance of incorporating ocean–ice sheet coupling in climate simulations, even over short time periods. |
author2 |
UCL - SST/ELI/ELIC - Earth & Climate |
format |
Article in Journal/Newspaper |
author |
Van Achter, Guillian Fichefet, Thierry Goosse, Hugues Pelletier, Charles Haubner, Konstanze Pattyn, Franck |
spellingShingle |
Van Achter, Guillian Fichefet, Thierry Goosse, Hugues Pelletier, Charles Haubner, Konstanze Pattyn, Franck Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming |
author_facet |
Van Achter, Guillian Fichefet, Thierry Goosse, Hugues Pelletier, Charles Haubner, Konstanze Pattyn, Franck |
author_sort |
Van Achter, Guillian |
title |
Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming |
title_short |
Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming |
title_full |
Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming |
title_fullStr |
Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming |
title_full_unstemmed |
Ocean–Ice Sheet Coupling in the Totten Glacier Area, East Antarctica: Analysis of the Feedbacks and Their Response to a Sudden Ocean Warming |
title_sort |
ocean–ice sheet coupling in the totten glacier area, east antarctica: analysis of the feedbacks and their response to a sudden ocean warming |
publisher |
MDPI |
publishDate |
2023 |
url |
http://hdl.handle.net/2078.1/273938 https://doi.org/10.3390/geosciences13040106 |
long_lat |
ENVELOPE(121.000,121.000,-67.000,-67.000) ENVELOPE(116.333,116.333,-66.833,-66.833) |
geographic |
East Antarctica Moscow University Ice Shelf Totten Glacier |
geographic_facet |
East Antarctica Moscow University Ice Shelf Totten Glacier |
genre |
Antarc* Antarctica East Antarctica Ice Sheet Ice Shelf Moscow University Ice Shelf Sea ice Totten Glacier |
genre_facet |
Antarc* Antarctica East Antarctica Ice Sheet Ice Shelf Moscow University Ice Shelf Sea ice Totten Glacier |
op_source |
Geosciences, Vol. 13, no.4, p. 27 (2023) |
op_relation |
boreal:273938 http://hdl.handle.net/2078.1/273938 doi:10.3390/geosciences13040106 urn:EISSN:2076-3263 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.3390/geosciences13040106 |
container_title |
Geosciences |
container_volume |
13 |
container_issue |
4 |
container_start_page |
106 |
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1798854090407542784 |