Wind causes Totten Ice Shelf melt and acceleration
Totten Glacier in East Antarctica has the potential to raise global sea level by at least 3.5 m, but its sensitivity to climate change has not been well understood. The glacier is coupled to the ocean by the Totten Ice Shelf, which has exhibited variable speed, thickness, and grounding line position...
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American Association for the Advancement of Science (A A A S)
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Online Access: | https://doi.org/10.1126/sciadv.1701681 http://www.ncbi.nlm.nih.gov/pubmed/29109976 http://ecite.utas.edu.au/122141 |
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ftunivtasecite:oai:ecite.utas.edu.au:122141 2023-05-15T13:49:03+02:00 Wind causes Totten Ice Shelf melt and acceleration Greene, CA Blankenship, DD Gwyther, DE Silvano, A van Wijk, E 2017 application/pdf https://doi.org/10.1126/sciadv.1701681 http://www.ncbi.nlm.nih.gov/pubmed/29109976 http://ecite.utas.edu.au/122141 en eng American Association for the Advancement of Science (A A A S) http://ecite.utas.edu.au/122141/1/112141 final.pdf http://dx.doi.org/10.1126/sciadv.1701681 Greene, CA and Blankenship, DD and Gwyther, DE and Silvano, A and van Wijk, E, Wind causes Totten Ice Shelf melt and acceleration, Science Advances, 3, (11) Article e1701681. ISSN 2375-2548 (2017) [Refereed Article] http://www.ncbi.nlm.nih.gov/pubmed/29109976 http://ecite.utas.edu.au/122141 Earth Sciences Oceanography Physical Oceanography Refereed Article PeerReviewed 2017 ftunivtasecite https://doi.org/10.1126/sciadv.1701681 2019-12-13T22:21:04Z Totten Glacier in East Antarctica has the potential to raise global sea level by at least 3.5 m, but its sensitivity to climate change has not been well understood. The glacier is coupled to the ocean by the Totten Ice Shelf, which has exhibited variable speed, thickness, and grounding line position in recent years. To understand the drivers of this interannual variability, we compare ice velocity to oceanic wind stress and find a consistent pattern of ice-shelf acceleration 19 months after upwelling anomalies occur at the continental shelf break nearby. The sensitivity to climate forcing we observe is a response to wind-driven redistribution of oceanic heat and is independent of large-scale warming of the atmosphere or ocean. Our results establish a link between the stability of Totten Glacier and upwelling near the East Antarctic coast, where surface winds are projected to intensify over the next century as a result of increasing atmospheric greenhouse gas concentrations. Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica Ice Shelf Totten Glacier Totten Ice Shelf eCite UTAS (University of Tasmania) Antarctic East Antarctica Totten Glacier ENVELOPE(116.333,116.333,-66.833,-66.833) Science Advances 3 11 e1701681 |
institution |
Open Polar |
collection |
eCite UTAS (University of Tasmania) |
op_collection_id |
ftunivtasecite |
language |
English |
topic |
Earth Sciences Oceanography Physical Oceanography |
spellingShingle |
Earth Sciences Oceanography Physical Oceanography Greene, CA Blankenship, DD Gwyther, DE Silvano, A van Wijk, E Wind causes Totten Ice Shelf melt and acceleration |
topic_facet |
Earth Sciences Oceanography Physical Oceanography |
description |
Totten Glacier in East Antarctica has the potential to raise global sea level by at least 3.5 m, but its sensitivity to climate change has not been well understood. The glacier is coupled to the ocean by the Totten Ice Shelf, which has exhibited variable speed, thickness, and grounding line position in recent years. To understand the drivers of this interannual variability, we compare ice velocity to oceanic wind stress and find a consistent pattern of ice-shelf acceleration 19 months after upwelling anomalies occur at the continental shelf break nearby. The sensitivity to climate forcing we observe is a response to wind-driven redistribution of oceanic heat and is independent of large-scale warming of the atmosphere or ocean. Our results establish a link between the stability of Totten Glacier and upwelling near the East Antarctic coast, where surface winds are projected to intensify over the next century as a result of increasing atmospheric greenhouse gas concentrations. |
format |
Article in Journal/Newspaper |
author |
Greene, CA Blankenship, DD Gwyther, DE Silvano, A van Wijk, E |
author_facet |
Greene, CA Blankenship, DD Gwyther, DE Silvano, A van Wijk, E |
author_sort |
Greene, CA |
title |
Wind causes Totten Ice Shelf melt and acceleration |
title_short |
Wind causes Totten Ice Shelf melt and acceleration |
title_full |
Wind causes Totten Ice Shelf melt and acceleration |
title_fullStr |
Wind causes Totten Ice Shelf melt and acceleration |
title_full_unstemmed |
Wind causes Totten Ice Shelf melt and acceleration |
title_sort |
wind causes totten ice shelf melt and acceleration |
publisher |
American Association for the Advancement of Science (A A A S) |
publishDate |
2017 |
url |
https://doi.org/10.1126/sciadv.1701681 http://www.ncbi.nlm.nih.gov/pubmed/29109976 http://ecite.utas.edu.au/122141 |
long_lat |
ENVELOPE(116.333,116.333,-66.833,-66.833) |
geographic |
Antarctic East Antarctica Totten Glacier |
geographic_facet |
Antarctic East Antarctica Totten Glacier |
genre |
Antarc* Antarctic Antarctica East Antarctica Ice Shelf Totten Glacier Totten Ice Shelf |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Ice Shelf Totten Glacier Totten Ice Shelf |
op_relation |
http://ecite.utas.edu.au/122141/1/112141 final.pdf http://dx.doi.org/10.1126/sciadv.1701681 Greene, CA and Blankenship, DD and Gwyther, DE and Silvano, A and van Wijk, E, Wind causes Totten Ice Shelf melt and acceleration, Science Advances, 3, (11) Article e1701681. ISSN 2375-2548 (2017) [Refereed Article] http://www.ncbi.nlm.nih.gov/pubmed/29109976 http://ecite.utas.edu.au/122141 |
op_doi |
https://doi.org/10.1126/sciadv.1701681 |
container_title |
Science Advances |
container_volume |
3 |
container_issue |
11 |
container_start_page |
e1701681 |
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1766250736890413056 |