Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves
Some of the most rapid melting of ice sheets and ice shelves around Antarctica has occurred where the Antarctic Circumpolar Current (ACC) is in close proximity to the Antarctic continent. Several mechanisms have been hypothesized by which warming trends in the ACC could lead to warmer temperatures o...
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2016
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ftdoajarticles:oai:doaj.org/article:566802f6c123412cb764b65379db29a0 2023-05-15T13:46:16+02:00 Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves Sarah T. Gille Darren C. McKee Douglas G. Martinson 2016-12-01T00:00:00Z https://doi.org/10.5670/oceanog.2016.102 https://doaj.org/article/566802f6c123412cb764b65379db29a0 EN eng The Oceanography Society https://tos.org/oceanography/assets/docs/29-4_gille.pdf https://doaj.org/toc/1042-8275 doi:10.5670/oceanog.2016.102 1042-8275 https://doaj.org/article/566802f6c123412cb764b65379db29a0 Oceanography, Vol 29, Iss 4, Pp 96-105 (2016) ice sheets ice shelves Antarctic Circumpolar Current Antarctica climate change Oceanography GC1-1581 article 2016 ftdoajarticles https://doi.org/10.5670/oceanog.2016.102 2022-12-31T12:15:51Z Some of the most rapid melting of ice sheets and ice shelves around Antarctica has occurred where the Antarctic Circumpolar Current (ACC) is in close proximity to the Antarctic continent. Several mechanisms have been hypothesized by which warming trends in the ACC could lead to warmer temperatures on the Antarctic continental shelves and corresponding thinning of ice shelves. One possibility is that a southward shift in the dominant westerly winds has led to a southward shift in the ACC, bringing comparatively warm (1°C–3°C) Circumpolar Deep Water (CDW) in closer contact with Antarctica; however, satellite altimetry does not provide strong evidence for this option. A second possibility is that stronger winds have led to stronger poleward eddy heat transport, bringing more CDW southward. In addition, submarine canyons and winds are hypothesized to be critical for transporting CDW across the continental shelves. The specific mechanisms and the relative roles of westerly winds, easterly winds, and wind-stress curl remain areas of active research. Article in Journal/Newspaper Antarc* Antarctic Antarctica Ice Shelves Directory of Open Access Journals: DOAJ Articles Antarctic The Antarctic Curl ENVELOPE(-63.071,-63.071,-70.797,-70.797) Oceanography 29 4 96 105 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
ice sheets ice shelves Antarctic Circumpolar Current Antarctica climate change Oceanography GC1-1581 |
spellingShingle |
ice sheets ice shelves Antarctic Circumpolar Current Antarctica climate change Oceanography GC1-1581 Sarah T. Gille Darren C. McKee Douglas G. Martinson Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves |
topic_facet |
ice sheets ice shelves Antarctic Circumpolar Current Antarctica climate change Oceanography GC1-1581 |
description |
Some of the most rapid melting of ice sheets and ice shelves around Antarctica has occurred where the Antarctic Circumpolar Current (ACC) is in close proximity to the Antarctic continent. Several mechanisms have been hypothesized by which warming trends in the ACC could lead to warmer temperatures on the Antarctic continental shelves and corresponding thinning of ice shelves. One possibility is that a southward shift in the dominant westerly winds has led to a southward shift in the ACC, bringing comparatively warm (1°C–3°C) Circumpolar Deep Water (CDW) in closer contact with Antarctica; however, satellite altimetry does not provide strong evidence for this option. A second possibility is that stronger winds have led to stronger poleward eddy heat transport, bringing more CDW southward. In addition, submarine canyons and winds are hypothesized to be critical for transporting CDW across the continental shelves. The specific mechanisms and the relative roles of westerly winds, easterly winds, and wind-stress curl remain areas of active research. |
format |
Article in Journal/Newspaper |
author |
Sarah T. Gille Darren C. McKee Douglas G. Martinson |
author_facet |
Sarah T. Gille Darren C. McKee Douglas G. Martinson |
author_sort |
Sarah T. Gille |
title |
Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves |
title_short |
Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves |
title_full |
Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves |
title_fullStr |
Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves |
title_full_unstemmed |
Temporal Changes in the Antarctic Circumpolar Current: Implications for the Antarctic Continental Shelves |
title_sort |
temporal changes in the antarctic circumpolar current: implications for the antarctic continental shelves |
publisher |
The Oceanography Society |
publishDate |
2016 |
url |
https://doi.org/10.5670/oceanog.2016.102 https://doaj.org/article/566802f6c123412cb764b65379db29a0 |
long_lat |
ENVELOPE(-63.071,-63.071,-70.797,-70.797) |
geographic |
Antarctic The Antarctic Curl |
geographic_facet |
Antarctic The Antarctic Curl |
genre |
Antarc* Antarctic Antarctica Ice Shelves |
genre_facet |
Antarc* Antarctic Antarctica Ice Shelves |
op_source |
Oceanography, Vol 29, Iss 4, Pp 96-105 (2016) |
op_relation |
https://tos.org/oceanography/assets/docs/29-4_gille.pdf https://doaj.org/toc/1042-8275 doi:10.5670/oceanog.2016.102 1042-8275 https://doaj.org/article/566802f6c123412cb764b65379db29a0 |
op_doi |
https://doi.org/10.5670/oceanog.2016.102 |
container_title |
Oceanography |
container_volume |
29 |
container_issue |
4 |
container_start_page |
96 |
op_container_end_page |
105 |
_version_ |
1766239628941066240 |