Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814
Cold and dense ice shelf water (ISW) emerging from the Filchner-Ronne Ice Shelf cavity in the southwestern Weddell Sea flows northward through the Filchner Depression to eventually descend the continental slope and contribute to the formation of bottom water. New ship-born observations of hydrograph...
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Online Access: | https://dx.doi.org/10.1594/pangaea.845032 https://doi.pangaea.de/10.1594/PANGAEA.845032 |
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ftdatacite:10.1594/pangaea.845032 2023-05-15T14:05:25+02:00 Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 Darelius, Elin Fer, Ilker 2015 application/zip https://dx.doi.org/10.1594/pangaea.845032 https://doi.pangaea.de/10.1594/PANGAEA.845032 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.1002/2014jc010225 https://dx.doi.org/10.1594/pangaea.870518 https://dx.doi.org/10.1594/pangaea.883905 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY article Supplementary Collection of Datasets Collection 2015 ftdatacite https://doi.org/10.1594/pangaea.845032 https://doi.org/10.1002/2014jc010225 https://doi.org/10.1594/pangaea.870518 https://doi.org/10.1594/pangaea.883905 2022-02-09T13:17:41Z Cold and dense ice shelf water (ISW) emerging from the Filchner-Ronne Ice Shelf cavity in the southwestern Weddell Sea flows northward through the Filchner Depression to eventually descend the continental slope and contribute to the formation of bottom water. New ship-born observations of hydrography and currents from Filchner Depression in January 2013 suggest that the northward flow of ISW takes place in a middepth jet along the eastern flank of the depression, thus questioning the traditional view with outflow along the western flank. This interpretation of the data is supported by results from a regional numerical model, which shows that ISW flowing northward along the eastern coast of Berkner Island turns eastward and crosses the depression to its eastern side upon reaching the Filchner ice front. The ice front represents a sudden change in the thickness of the water column and thus a potential vorticity barrier. Transport estimates of northward ISW flux based on observations ranges from 0.2 to 1.0 Sv. Article in Journal/Newspaper Antarc* Antarctica Berkner Island Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Ice Shelf Ronne Ice Shelf Weddell Sea DataCite Metadata Store (German National Library of Science and Technology) Berkner Island ENVELOPE(-48.117,-48.117,-79.333,-79.333) Filchner Ice Front ENVELOPE(-40.000,-40.000,-77.500,-77.500) Ronne Ice Shelf ENVELOPE(-61.000,-61.000,-78.500,-78.500) Shackleton Weddell Weddell Sea |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
description |
Cold and dense ice shelf water (ISW) emerging from the Filchner-Ronne Ice Shelf cavity in the southwestern Weddell Sea flows northward through the Filchner Depression to eventually descend the continental slope and contribute to the formation of bottom water. New ship-born observations of hydrography and currents from Filchner Depression in January 2013 suggest that the northward flow of ISW takes place in a middepth jet along the eastern flank of the depression, thus questioning the traditional view with outflow along the western flank. This interpretation of the data is supported by results from a regional numerical model, which shows that ISW flowing northward along the eastern coast of Berkner Island turns eastward and crosses the depression to its eastern side upon reaching the Filchner ice front. The ice front represents a sudden change in the thickness of the water column and thus a potential vorticity barrier. Transport estimates of northward ISW flux based on observations ranges from 0.2 to 1.0 Sv. |
format |
Article in Journal/Newspaper |
author |
Darelius, Elin Fer, Ilker |
spellingShingle |
Darelius, Elin Fer, Ilker Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 |
author_facet |
Darelius, Elin Fer, Ilker |
author_sort |
Darelius, Elin |
title |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 |
title_short |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 |
title_full |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 |
title_fullStr |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 |
title_full_unstemmed |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060, supplement to: Darelius, Elin; Makinson, Keith; Daae, Kjersti; Fer, Ilker; Holland, Paul; Nicholls, Keith W (2014): Hydrography and circulation in the Filchner Depression, Weddell Sea, Antarctica. Journal of Geophysical Research: Oceans, 119(9), 5797-5814 |
title_sort |
physical oceanography and current measurements in the filchner depression (weddell sea, antarctica) during ernest shackleton cruise es060, supplement to: darelius, elin; makinson, keith; daae, kjersti; fer, ilker; holland, paul; nicholls, keith w (2014): hydrography and circulation in the filchner depression, weddell sea, antarctica. journal of geophysical research: oceans, 119(9), 5797-5814 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2015 |
url |
https://dx.doi.org/10.1594/pangaea.845032 https://doi.pangaea.de/10.1594/PANGAEA.845032 |
long_lat |
ENVELOPE(-48.117,-48.117,-79.333,-79.333) ENVELOPE(-40.000,-40.000,-77.500,-77.500) ENVELOPE(-61.000,-61.000,-78.500,-78.500) |
geographic |
Berkner Island Filchner Ice Front Ronne Ice Shelf Shackleton Weddell Weddell Sea |
geographic_facet |
Berkner Island Filchner Ice Front Ronne Ice Shelf Shackleton Weddell Weddell Sea |
genre |
Antarc* Antarctica Berkner Island Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Ice Shelf Ronne Ice Shelf Weddell Sea |
genre_facet |
Antarc* Antarctica Berkner Island Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Ice Shelf Ronne Ice Shelf Weddell Sea |
op_relation |
https://dx.doi.org/10.1002/2014jc010225 https://dx.doi.org/10.1594/pangaea.870518 https://dx.doi.org/10.1594/pangaea.883905 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.845032 https://doi.org/10.1002/2014jc010225 https://doi.org/10.1594/pangaea.870518 https://doi.org/10.1594/pangaea.883905 |
_version_ |
1766277296234168320 |