Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica
Mass loss from the Antarctic ice sheet, Earth’s largest freshwater reservoir, results directly in global sea-level rise and Southern Ocean freshening. Observational and modeling studies have demonstrated that ice shelf basal melting, resulting from the inflow of warm water onto the Antarctic contine...
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ftunivtasmania:oai:eprints.utas.edu.au:37246 2023-05-15T13:31:53+02:00 Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica Hirano, D Tamura, T Kusahara, K Ohshima, KI Nicholls, KW Ushio, S Simizu, D Ono, K Fujii, M Nogi, Y Aoki, S 2020 application/pdf https://eprints.utas.edu.au/37246/ https://eprints.utas.edu.au/37246/1/143771%20-%20Strong%20ice-ocean%20interaction%20beneath%20Shirase%20Glacier.pdf en eng Nature Publishing Group https://eprints.utas.edu.au/37246/1/143771%20-%20Strong%20ice-ocean%20interaction%20beneath%20Shirase%20Glacier.pdf Hirano, D, Tamura, T, Kusahara, K, Ohshima, KI, Nicholls, KW, Ushio, S, Simizu, D, Ono, K, Fujii, M, Nogi, Y and Aoki, S 2020 , 'Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica' , Nature Communications, vol. 11, no. 1 , pp. 1-12 , doi:10.1038/s41467-020-17527-4 <http://dx.doi.org/10.1038/s41467-020-17527-4>. sea level rise ice-ocean interaction Shirase Glacier Antarctica Article PeerReviewed 2020 ftunivtasmania https://doi.org/10.1038/s41467-020-17527-4 2021-09-13T22:20:41Z Mass loss from the Antarctic ice sheet, Earth’s largest freshwater reservoir, results directly in global sea-level rise and Southern Ocean freshening. Observational and modeling studies have demonstrated that ice shelf basal melting, resulting from the inflow of warm water onto the Antarctic continental shelf, plays a key role in the ice sheet’s mass balance. In recent decades, warm ocean-cryosphere interaction in the Amundsen and Bellingshausen seas has received a great deal of attention. However, except for Totten Ice Shelf, East Antarctic ice shelves typically have cold ice cavities with low basal melt rates. Here we present direct observational evidence of high basal melt rates (7–16 m yr−1) beneath an East Antarctic ice shelf, Shirase Glacier Tongue, driven by southward-flowing warm water guided by a deep continuous trough extending to the continental slope. The strength of the alongshore wind controls the thickness of the inflowing warm water layer and the rate of basal melting. Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica Ice Sheet Ice Shelf Ice Shelves Shirase Glacier Southern Ocean Totten Ice Shelf University of Tasmania: UTas ePrints Antarctic East Antarctica Shirase Glacier ENVELOPE(39.000,39.000,-70.333,-70.333) Southern Ocean The Antarctic Nature Communications 11 1 |
institution |
Open Polar |
collection |
University of Tasmania: UTas ePrints |
op_collection_id |
ftunivtasmania |
language |
English |
topic |
sea level rise ice-ocean interaction Shirase Glacier Antarctica |
spellingShingle |
sea level rise ice-ocean interaction Shirase Glacier Antarctica Hirano, D Tamura, T Kusahara, K Ohshima, KI Nicholls, KW Ushio, S Simizu, D Ono, K Fujii, M Nogi, Y Aoki, S Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica |
topic_facet |
sea level rise ice-ocean interaction Shirase Glacier Antarctica |
description |
Mass loss from the Antarctic ice sheet, Earth’s largest freshwater reservoir, results directly in global sea-level rise and Southern Ocean freshening. Observational and modeling studies have demonstrated that ice shelf basal melting, resulting from the inflow of warm water onto the Antarctic continental shelf, plays a key role in the ice sheet’s mass balance. In recent decades, warm ocean-cryosphere interaction in the Amundsen and Bellingshausen seas has received a great deal of attention. However, except for Totten Ice Shelf, East Antarctic ice shelves typically have cold ice cavities with low basal melt rates. Here we present direct observational evidence of high basal melt rates (7–16 m yr−1) beneath an East Antarctic ice shelf, Shirase Glacier Tongue, driven by southward-flowing warm water guided by a deep continuous trough extending to the continental slope. The strength of the alongshore wind controls the thickness of the inflowing warm water layer and the rate of basal melting. |
format |
Article in Journal/Newspaper |
author |
Hirano, D Tamura, T Kusahara, K Ohshima, KI Nicholls, KW Ushio, S Simizu, D Ono, K Fujii, M Nogi, Y Aoki, S |
author_facet |
Hirano, D Tamura, T Kusahara, K Ohshima, KI Nicholls, KW Ushio, S Simizu, D Ono, K Fujii, M Nogi, Y Aoki, S |
author_sort |
Hirano, D |
title |
Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica |
title_short |
Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica |
title_full |
Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica |
title_fullStr |
Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica |
title_full_unstemmed |
Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica |
title_sort |
strong ice-ocean interaction beneath shirase glacier tongue in east antarctica |
publisher |
Nature Publishing Group |
publishDate |
2020 |
url |
https://eprints.utas.edu.au/37246/ https://eprints.utas.edu.au/37246/1/143771%20-%20Strong%20ice-ocean%20interaction%20beneath%20Shirase%20Glacier.pdf |
long_lat |
ENVELOPE(39.000,39.000,-70.333,-70.333) |
geographic |
Antarctic East Antarctica Shirase Glacier Southern Ocean The Antarctic |
geographic_facet |
Antarctic East Antarctica Shirase Glacier Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Ice Shelf Ice Shelves Shirase Glacier Southern Ocean Totten Ice Shelf |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Ice Sheet Ice Shelf Ice Shelves Shirase Glacier Southern Ocean Totten Ice Shelf |
op_relation |
https://eprints.utas.edu.au/37246/1/143771%20-%20Strong%20ice-ocean%20interaction%20beneath%20Shirase%20Glacier.pdf Hirano, D, Tamura, T, Kusahara, K, Ohshima, KI, Nicholls, KW, Ushio, S, Simizu, D, Ono, K, Fujii, M, Nogi, Y and Aoki, S 2020 , 'Strong ice-ocean interaction beneath Shirase Glacier Tongue in East Antarctica' , Nature Communications, vol. 11, no. 1 , pp. 1-12 , doi:10.1038/s41467-020-17527-4 <http://dx.doi.org/10.1038/s41467-020-17527-4>. |
op_doi |
https://doi.org/10.1038/s41467-020-17527-4 |
container_title |
Nature Communications |
container_volume |
11 |
container_issue |
1 |
_version_ |
1766021972339195904 |