Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010
<qd> Beszczynska-Möller, A., Fahrbach, E., Schauer, U., and Hansen, E. 2012. Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997–2010. – ICES Journal of Marine Science, 69: 852–863. </qd>The variability in Atlantic water temperature and volum...
Published in: | ICES Journal of Marine Science |
---|---|
Main Authors: | , , , |
Format: | Text |
Language: | English |
Published: |
Oxford University Press
2012
|
Subjects: | |
Online Access: | http://icesjms.oxfordjournals.org/cgi/content/short/69/5/852 https://doi.org/10.1093/icesjms/fss056 |
id |
fthighwire:oai:open-archive.highwire.org:icesjms:69/5/852 |
---|---|
record_format |
openpolar |
spelling |
fthighwire:oai:open-archive.highwire.org:icesjms:69/5/852 2023-05-15T14:51:06+02:00 Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 Beszczynska-Möller, Agnieszka Fahrbach, Eberhard Schauer, Ursula Hansen, Edmond 2012-07-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/69/5/852 https://doi.org/10.1093/icesjms/fss056 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/69/5/852 http://dx.doi.org/10.1093/icesjms/fss056 Copyright (C) 2012, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer The Northern Northeast Atlantic and Arctic TEXT 2012 fthighwire https://doi.org/10.1093/icesjms/fss056 2012-06-19T02:12:34Z <qd> Beszczynska-Möller, A., Fahrbach, E., Schauer, U., and Hansen, E. 2012. Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997–2010. – ICES Journal of Marine Science, 69: 852–863. </qd>The variability in Atlantic water temperature and volume transport in the West Spitsbergen Current (WSC), based on measurements by an array of moorings in Fram Strait (78°50′N) over the period 1997–2010, is addressed. The long-term mean net volume transport in the current of 6.6 ± 0.4 Sv (directed northwards) delivered 3.0 ± 0.2 Sv of Atlantic water (AW) warmer than 2°C. The mean temperature of the AW inflow was 3.1 ± 0.1°C. On interannual time-scales, a nearly constant volume flux in the WSC core (long-term mean 1.8 ± 0.1 Sv northwards, including 1.3 ± 0.1 Sv of AW warmer than 2°C, and showing no seasonal variability) was accompanied by a highly variable transport of 2–6 Sv in the offshore branch (long-term mean of 5 ± 0.4 Sv, strong seasonal variability, and 1–2 Sv of warm AW). Two warm anomalies were found in the AW passing through Fram Strait in 1999–2000 and 2005–2007. For the period 1997–2010, there was a positive linear trend in the AW mean temperature of 0.06°C year−1, but no statistically significant trend was observed in the AW volume transport. A possible impact of warming on AW propagation in the Arctic Ocean and properties of the outflow to the North Atlantic are also discussed. Text Arctic Arctic Ocean Fram Strait North Atlantic Northeast Atlantic Spitsbergen HighWire Press (Stanford University) Arctic Arctic Ocean ICES Journal of Marine Science 69 5 852 863 |
institution |
Open Polar |
collection |
HighWire Press (Stanford University) |
op_collection_id |
fthighwire |
language |
English |
topic |
The Northern Northeast Atlantic and Arctic |
spellingShingle |
The Northern Northeast Atlantic and Arctic Beszczynska-Möller, Agnieszka Fahrbach, Eberhard Schauer, Ursula Hansen, Edmond Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 |
topic_facet |
The Northern Northeast Atlantic and Arctic |
description |
<qd> Beszczynska-Möller, A., Fahrbach, E., Schauer, U., and Hansen, E. 2012. Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997–2010. – ICES Journal of Marine Science, 69: 852–863. </qd>The variability in Atlantic water temperature and volume transport in the West Spitsbergen Current (WSC), based on measurements by an array of moorings in Fram Strait (78°50′N) over the period 1997–2010, is addressed. The long-term mean net volume transport in the current of 6.6 ± 0.4 Sv (directed northwards) delivered 3.0 ± 0.2 Sv of Atlantic water (AW) warmer than 2°C. The mean temperature of the AW inflow was 3.1 ± 0.1°C. On interannual time-scales, a nearly constant volume flux in the WSC core (long-term mean 1.8 ± 0.1 Sv northwards, including 1.3 ± 0.1 Sv of AW warmer than 2°C, and showing no seasonal variability) was accompanied by a highly variable transport of 2–6 Sv in the offshore branch (long-term mean of 5 ± 0.4 Sv, strong seasonal variability, and 1–2 Sv of warm AW). Two warm anomalies were found in the AW passing through Fram Strait in 1999–2000 and 2005–2007. For the period 1997–2010, there was a positive linear trend in the AW mean temperature of 0.06°C year−1, but no statistically significant trend was observed in the AW volume transport. A possible impact of warming on AW propagation in the Arctic Ocean and properties of the outflow to the North Atlantic are also discussed. |
format |
Text |
author |
Beszczynska-Möller, Agnieszka Fahrbach, Eberhard Schauer, Ursula Hansen, Edmond |
author_facet |
Beszczynska-Möller, Agnieszka Fahrbach, Eberhard Schauer, Ursula Hansen, Edmond |
author_sort |
Beszczynska-Möller, Agnieszka |
title |
Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 |
title_short |
Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 |
title_full |
Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 |
title_fullStr |
Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 |
title_full_unstemmed |
Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997-2010 |
title_sort |
variability in atlantic water temperature and transport at the entrance to the arctic ocean, 1997-2010 |
publisher |
Oxford University Press |
publishDate |
2012 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/69/5/852 https://doi.org/10.1093/icesjms/fss056 |
geographic |
Arctic Arctic Ocean |
geographic_facet |
Arctic Arctic Ocean |
genre |
Arctic Arctic Ocean Fram Strait North Atlantic Northeast Atlantic Spitsbergen |
genre_facet |
Arctic Arctic Ocean Fram Strait North Atlantic Northeast Atlantic Spitsbergen |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/69/5/852 http://dx.doi.org/10.1093/icesjms/fss056 |
op_rights |
Copyright (C) 2012, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fss056 |
container_title |
ICES Journal of Marine Science |
container_volume |
69 |
container_issue |
5 |
container_start_page |
852 |
op_container_end_page |
863 |
_version_ |
1766322167452008448 |