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)
2017
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Online Access: | https://eprints.utas.edu.au/26317/ https://eprints.utas.edu.au/26317/1/112141%20final.pdf https://doi.org/10.1126/sciadv.1701681 |
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ftunivtasmania:oai:eprints.utas.edu.au:26317 2023-05-15T13:31:52+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://eprints.utas.edu.au/26317/ https://eprints.utas.edu.au/26317/1/112141%20final.pdf https://doi.org/10.1126/sciadv.1701681 en eng American Association for the Advancement of Science (A A A S) https://eprints.utas.edu.au/26317/1/112141%20final.pdf Greene, CA, Blankenship, DD, Gwyther, DE orcid:0000-0002-7218-2785 , Silvano, A and van Wijk, E 2017 , 'Wind causes Totten Ice Shelf melt and acceleration' , Science Advances, vol. 3, no. 11 , pp. 1-7 , doi:10.1126/sciadv.1701681 <http://dx.doi.org/10.1126/sciadv.1701681>. Antarctica melting Totten Glacier ice shelf wind Article PeerReviewed 2017 ftunivtasmania https://doi.org/10.1126/sciadv.1701681 2021-09-06T22:17:55Z 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 University of Tasmania: UTas ePrints Antarctic East Antarctica Totten Glacier ENVELOPE(116.333,116.333,-66.833,-66.833) Science Advances 3 11 e1701681 |
institution |
Open Polar |
collection |
University of Tasmania: UTas ePrints |
op_collection_id |
ftunivtasmania |
language |
English |
topic |
Antarctica melting Totten Glacier ice shelf wind |
spellingShingle |
Antarctica melting Totten Glacier ice shelf wind Greene, CA Blankenship, DD Gwyther, DE Silvano, A van Wijk, E Wind causes Totten Ice Shelf melt and acceleration |
topic_facet |
Antarctica melting Totten Glacier ice shelf wind |
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://eprints.utas.edu.au/26317/ https://eprints.utas.edu.au/26317/1/112141%20final.pdf https://doi.org/10.1126/sciadv.1701681 |
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 |
https://eprints.utas.edu.au/26317/1/112141%20final.pdf Greene, CA, Blankenship, DD, Gwyther, DE orcid:0000-0002-7218-2785 , Silvano, A and van Wijk, E 2017 , 'Wind causes Totten Ice Shelf melt and acceleration' , Science Advances, vol. 3, no. 11 , pp. 1-7 , doi:10.1126/sciadv.1701681 <http://dx.doi.org/10.1126/sciadv.1701681>. |
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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1766021721818660864 |