Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060
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...
Main Authors: | , |
---|---|
Format: | Other/Unknown Material |
Language: | English |
Published: |
PANGAEA
2015
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.845032 https://doi.org/10.1594/PANGAEA.845032 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.845032 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.845032 2024-09-15T17:48:03+00:00 Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060 Darelius, Elin Fer, Ilker MEDIAN LATITUDE: -76.659912 * MEDIAN LONGITUDE: -37.029164 * SOUTH-BOUND LATITUDE: -78.083000 * WEST-BOUND LONGITUDE: -43.724000 * NORTH-BOUND LATITUDE: -75.087000 * EAST-BOUND LONGITUDE: -30.486000 * DATE/TIME START: 2013-01-02T08:49:44 * DATE/TIME END: 2013-01-11T01:18:56 2015 application/zip, 2 datasets https://doi.pangaea.de/10.1594/PANGAEA.845032 https://doi.org/10.1594/PANGAEA.845032 en eng PANGAEA Darelius, Elin; Fer, Ilker (2017): Physical oceanography from mooring SB, SC, SD and SE in the Weddell Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.870518 Darelius, Elin; Fer, Ilker; Sallée, Jean-Baptiste (2017): Physical oceanography from mooring SA in the Weddell Sea [dataset publication series]. Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, PANGAEA, https://doi.org/10.1594/PANGAEA.883905 Darelius, Elin; Fer, Ilker (2013): Cruise Report - Cruise ES060 with R.R.S ERNEST SHACKLETON - 10 December 2012 - 28 January 2013. Geophysical Institute, University of Bergen, 27 pp, hdl:10013/epic.45259.d001 https://doi.pangaea.de/10.1594/PANGAEA.845032 https://doi.org/10.1594/PANGAEA.845032 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess 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, https://doi.org/10.1002/2014JC010225 dataset publication series 2015 ftpangaea https://doi.org/10.1594/PANGAEA.84503210.1002/2014JC01022510.1594/PANGAEA.87051810.1594/PANGAEA.883905 2024-07-24T02:31:21Z 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. Other/Unknown Material Antarc* Antarctica Antarctica Journal Berkner Island Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Ice Shelf Ronne Ice Shelf Weddell Sea PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-43.724000,-30.486000,-75.087000,-78.083000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
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 |
Other/Unknown Material |
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 |
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 |
title_short |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060 |
title_full |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060 |
title_fullStr |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060 |
title_full_unstemmed |
Physical oceanography and current measurements in the Filchner Depression (Weddell Sea, Antarctica) during Ernest Shackleton cruise ES060 |
title_sort |
physical oceanography and current measurements in the filchner depression (weddell sea, antarctica) during ernest shackleton cruise es060 |
publisher |
PANGAEA |
publishDate |
2015 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.845032 https://doi.org/10.1594/PANGAEA.845032 |
op_coverage |
MEDIAN LATITUDE: -76.659912 * MEDIAN LONGITUDE: -37.029164 * SOUTH-BOUND LATITUDE: -78.083000 * WEST-BOUND LONGITUDE: -43.724000 * NORTH-BOUND LATITUDE: -75.087000 * EAST-BOUND LONGITUDE: -30.486000 * DATE/TIME START: 2013-01-02T08:49:44 * DATE/TIME END: 2013-01-11T01:18:56 |
long_lat |
ENVELOPE(-43.724000,-30.486000,-75.087000,-78.083000) |
genre |
Antarc* Antarctica Antarctica Journal Berkner Island Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Ice Shelf Ronne Ice Shelf Weddell Sea |
genre_facet |
Antarc* Antarctica Antarctica Journal Berkner Island Filchner Ronne Ice Shelf Filchner-Ronne Ice Shelf Ice Shelf Ronne Ice Shelf Weddell Sea |
op_source |
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, https://doi.org/10.1002/2014JC010225 |
op_relation |
Darelius, Elin; Fer, Ilker (2017): Physical oceanography from mooring SB, SC, SD and SE in the Weddell Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.870518 Darelius, Elin; Fer, Ilker; Sallée, Jean-Baptiste (2017): Physical oceanography from mooring SA in the Weddell Sea [dataset publication series]. Geophysical Institute, University of Bergen and Bjerknes Centre for Climate Research, PANGAEA, https://doi.org/10.1594/PANGAEA.883905 Darelius, Elin; Fer, Ilker (2013): Cruise Report - Cruise ES060 with R.R.S ERNEST SHACKLETON - 10 December 2012 - 28 January 2013. Geophysical Institute, University of Bergen, 27 pp, hdl:10013/epic.45259.d001 https://doi.pangaea.de/10.1594/PANGAEA.845032 https://doi.org/10.1594/PANGAEA.845032 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.84503210.1002/2014JC01022510.1594/PANGAEA.87051810.1594/PANGAEA.883905 |
_version_ |
1810288857337298944 |